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The Autumn Apothecary: Finding Light When the Days Grow Short

Thu, 08 Oct 2026 09:47:24 GMT

Why the darker months weigh on us, what the research says about light, connection and immunity, and a bright autumn tea to share.

The days are shortening, the light is turning colder, and the trees are letting go of their leaves. If you've been feeling unusually flat, tired or low without quite knowing why, you're not alone.

For some people, the darker months bring a real shift in mood, energy, sleep and appetite. When this develops into depression that returns in a seasonal pattern, it is known as seasonal affective disorder (SAD). Typical features include difficulty waking, loss of motivation, poor concentration, increased appetite and a pull towards withdrawing from company. A passing autumn dip isn't necessarily SAD, but symptoms that persist deserve attention.

To understand the season's effect on us, it helps to look at two things: the biology inside us, and the way we live through autumn together.

When autumn drew people together

Long before electric light, the turn of the year was something people went through side by side. In Ireland, the end of the harvest was marked with small rituals: the cutting of the last sheaf, a shared meal, and decorated straw "harvest knots" given as tokens of courtship. Later, Samhain brought neighbours together for feasting, games and visiting as winter closed in. As the evenings darkened, there were firesides to gather around and good reasons to knock on a neighbour's door.

We can't know how many people then experienced seasonal depression, or claim that festivities prevented it. But these traditions offered things that matter for wellbeing: shared pleasure, a sense of belonging, and something to look forward to.

Autumn in a busy modern life

Today the days shorten while our schedules stay just as demanding. We may leave home before sunrise, spend the daylight hours indoors and return after dark. Work and screens stretch into the evening, and seeing friends means finding a gap in an already crowded diary. It is possible to spend a whole day answering messages and sitting in meetings with no relaxed conversation or shared meal.

This may compound seasonal vulnerability. It doesn't show that SAD is more common than it once was, but it is a good reason to look at how daylight, daily rhythms and connection fit into our lives.

Research shows how responsive our body clocks are to our surroundings. In a small study, a week of natural daylight and darkness while camping shifted participants' circadian timing earlier, compared with their usual electrically lit routines. It wasn't a treatment trial for SAD, but it showed that our light environment can substantially influence biological timing.

What happens inside the body?

Light reaching the eyes helps set the brain's central clock. That clock coordinates daily rhythms, including sleep and wakefulness and the release of melatonin, which signals biological night.

In some people with winter depression, this internal timing drifts out of step with their sleep schedule and daily demands. Circadian misalignment is supported by research as one contributor to SAD, though the pattern varies from person to person. That is why the timing of light exposure matters as well as the amount.

The immune system varies with the seasons too. Human studies have found seasonal changes in immune-cell composition and gene expression, with a more pro-inflammatory profile in winter in the European populations studied. This is more nuanced than saying immunity simply becomes "weaker" in the cold.

Mood and immunity: a two-way conversation

Our emotional experience can influence immune regulation. Research on perceived isolation has linked it with increased inflammatory gene activity and reduced activity in some antiviral pathways, with stress-related nervous-system signals appearing to play a part. Being alone and feeling lonely are not the same thing; what matters is whether we feel connected and supported.

The influence also runs the other way. In a randomised study of 115 healthy adults, an experimentally induced inflammatory response raised inflammatory cytokines alongside low mood and feelings of social disconnection. This shows that immune activity can shape emotional experience, although a temporary experimental response is not the same as SAD.

Research in SAD itself offers a further clue. A small study found higher inflammatory activity alongside lower lymphocyte proliferation in people with winter depression. In a subgroup reassessed after light therapy, symptoms and immune measures improved together. This supports a link, but leaves open whether the immune changes are a cause, a consequence or part of a wider process.

It also gives us a biological reason to take companionship seriously. In a study of adults exposed to a cold virus, those with more diverse social relationships were less likely to develop a clinical cold. That doesn't prove a celebration strengthens immunity, but it supports treating social life as part of our overall health.

When a drink becomes the way to unwind

At the end of a long day, alcohol can seem an easy route to relaxation, and its immediate effects can bring pleasure and temporary relief from tension.

But alcohol can fragment sleep even when it helps you drop off sooner, and repeated heavy drinking to cope can worsen low mood between drinking episodes. When sleep, energy and mood are already under strain from the season, the pattern can make things harder.

It's worth asking what you actually need from that evening pause: relief from pressure, company, enjoyment or rest. Naming the need makes it easier to meet it in other ways.

Autumn happiness in a cup

One simple way to meet that need is a ritual of your own: a warm pot of tea, made with care and ideally shared. We call this blend Golden Hour Tea. Pour it after lunch, when the afternoon begins to sag, or in the evening in place of a drink. It isn't a treatment for SAD. It's a small daily pleasure, a bright and comforting cup to put a lift in your day and a reason to gather someone round the table.

In the cup

Lift the lid and autumn rises with the steam. Chamomile comes first, golden and honeyed, like late sun on a kitchen windowsill. Then tulsi, bright and a little peppery, with a whisper of clove and a leaf of mint, a green spark that wakes you gently from the inside. Orange peel catches the light like the last leaves on the branch, warm and zesty and just bitter enough to feel alive. Skullcap and oat lie softly underneath, hay-sweet and grounding, steadying the whole cup like firm earth underfoot. And through it all runs cinnamon, a thread of woodsmoke warmth, the feeling of coming in from the cold to a lit room and a full table. It tastes like golden hour, in a cup.

Golden Hour Tea (by volume)

½ part skullcap (Scutellaria lateriflora)
½ part milky oat tops or oat straw
1 part chamomile
1 part tulsi (holy basil)
1 part dried orange peel
A small piece of cinnamon stick per pot

To make it: Use one heaped teaspoon of the herb mix per cup. Pour over freshly boiled water, cover to keep in the aromatic oils, and steep for ten minutes. Strain, and drink it warm, ideally with good company.

Why these plants? Tulsi is the bright heart of the blend: an uplifting, aromatic adaptogen, traditionally used to restore energy and help the body cope with stress. Skullcap and oat bring a calm steadiness, soothing a restless mind and nourishing frazzled nerves, so the lift feels settled rather than jittery. Chamomile adds a gentle bitterness that supports digestion, welcome after a meal. Orange peel brings brightness, and a touch of cinnamon adds warmth and natural sweetness.

A note on safety: Herbs are active substances, so if you take regular medication, are pregnant or breastfeeding, or have a medical condition, check with a practitioner first. Skullcap can add to the effect of sedatives, sleep aids and alcohol, and tulsi can lower blood sugar, so take particular care if you use diabetes medication. Chamomile may not suit anyone allergic to the daisy family. Oats are naturally gluten-free, but oat herbs can be cross-contaminated with gluten grains, so anyone with coeliac disease should look for a certified gluten-free source.

Our approach at Wildberry Clinic

We begin by looking at how the season is affecting you: your mood, motivation, sleep, appetite, energy and ability to manage daily life. We consider your previous autumn and winter patterns alongside current pressures, medical history and medicines.

Circadian rhythm is a central part of that assessment. How much daylight reaches your day? When do you sleep and wake? Do your evenings allow you to unwind? From there, we help you build practical routines around daylight, sleep, movement and meals, and discuss whether assessment for light therapy would suit you.

We also look at nutrition and other possible contributors to fatigue or low mood, liaising with your GP where investigation is needed. Where an inflammatory condition is relevant to your wider health, it deserves attention too, though we don't assume that everyone with SAD has an immune disorder.

Connection belongs in the care plan. Together we explore achievable ways to keep hold of companionship, pleasure and meaningful activity through the darker months. A regular walk with a friend, a shared meal or a group activity can offer a way in just when withdrawal starts to feel easier.

Our aim is to support the conditions that help you function and feel well through the season, with follow-up to review how you're getting on. Persistent or significant depression needs GP assessment, and our care can work alongside psychological therapy and prescribed treatment.

Perhaps there is something worth carrying forward from the old seasonal gatherings: making time to meet, share food, and enjoy one another's company as the days grow short. A little warmth, a little company, and a cup that tastes like autumn at its best.

Disclaimer

This article is for general information and education and does not replace individual medical advice, diagnosis or treatment. Seasonal affective disorder is a form of depression that may require professional care. Wildberry Clinic’s support is complementary to appropriate medical and psychological treatment. Do not stop or change prescribed medicines without consulting your prescriber.

References

National Institute of Mental Health. Seasonal affective disorder. https://www.nimh.nih.gov/health/publications/seasonal-affective-disorder
Lewy AJ, Lefler BJ, Emens JS, Bauer VK. (2006). The circadian basis of winter depression. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.0602425103 .
Wright KP Jr, et al. (2013). Entrainment of the human circadian clock to the natural light-dark cycle. Current Biology. DOI: 10.1016/j.cub.2013.06.039 .
Dopico XC, et al. (2015). Widespread seasonal gene expression reveals annual differences in human immunity and physiology. Nature Communications. DOI: 10.1038/ncomms8000 .
Song C, et al. (2015). Enhanced inflammatory and T-helper-1 type responses but suppressed lymphocyte proliferation in patients with seasonal affective disorder and treated by light therapy. Journal of Affective Disorders. DOI: 10.1016/j.jad.2015.06.003 .
Moieni M, et al. (2015). Sex differences in depressive and socioemotional responses to an inflammatory challenge: implications for sex differences in depression. Neuropsychopharmacology. DOI: 10.1038/npp.2015.17 .
Cole SW, Capitanio JP, Chun K, Arevalo JMG, Ma J, Cacioppo JT. (2015). Myeloid differentiation architecture of leukocyte transcriptome dynamics in perceived social isolation. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1514249112 .
Cohen S, Doyle WJ, Skoner DP, Rabin BS, Gwaltney JM Jr. (1997). Social ties and susceptibility to the common cold. JAMA. DOI: 10.1001/jama.1997.03540480040036 .
National Museum of Ireland. Autumn: Irish harvest traditions and folklore.
National Museum of Ireland. Traditions and customs of Halloween / Samhain.
National Institute on Alcohol Abuse and Alcoholism. Hangovers.
National Institute on Alcohol Abuse and Alcoholism. The cycle of alcohol addiction.

Clinical Insight | Men's Metabolic Health: The Connection Between Waistline, Muscle and Hormones

Tue, 06 Oct 2026 13:07:02 GMT

Why a growing waist, falling strength and changing hormones are often part of the same story.

A waistline that is gradually expanding. Strength that is harder to maintain. Less energy, poorer sleep or changes in libido. These changes can appear separately, but in men they may also share a metabolic background.

Metabolic health is about how the body uses and stores energy, responds to insulin and regulates blood glucose and fats. Waistline, muscle and hormones are connected parts of this system. Understanding their relationship gives us a more useful picture than body weight alone.

Waistline: why fat distribution matters

Body fat is more than an energy store. It is active tissue that sends signals throughout the body. Fat around the internal organs—known as visceral fat—is particularly relevant to metabolic health. As abdominal fat accumulates, changes in fatty-acid release and inflammatory signalling can make it harder for muscle, liver and fat cells to respond to insulin. This is called insulin resistance. [1,2]

The pancreas may initially compensate by producing more insulin, so blood glucose can remain within the normal range for a time. Metabolic changes can therefore develop before diabetes is diagnosed, and often without obvious symptoms. [1]

Waist measurement offers useful information about abdominal fat, although it does not measure visceral fat directly. It belongs alongside blood pressure, blood tests and an assessment of body composition—not as a judgement about appearance.

Muscle: strength with a metabolic role

Muscle does more than move us. It is an important destination for glucose, helping the body use the energy circulating in the bloodstream. When muscles contract during activity, they can take up glucose through pathways that do not depend entirely on insulin. Regular exercise also improves insulin sensitivity over time. This is one reason both everyday movement and resistance exercise matter. [3]

For men losing strength or becoming less active, the aim should include preserving muscle and physical function. If weight reduction is appropriate, the number on the scales tells only part of the story: losing muscle is different from reducing excess fat.

A man can weigh the same as he did several years ago while having less muscle and more abdominal fat. Asking about strength, activity and waistline helps us recognise changes that body weight alone may miss.

Hormones: part of a two-way relationship

Insulin is itself a hormone. Its job includes helping regulate blood glucose, and its effectiveness depends on how responsive the body’s tissues are.

Testosterone is also relevant to men’s muscle, sexual wellbeing and body composition. Obesity can suppress the reproductive hormone system and contribute to functional low testosterone. In affected men, addressing excess adiposity can improve testosterone levels. [4]

This relationship should not be reduced to “belly fat means low testosterone”. Men with a larger waist do not all have testosterone deficiency, and fatigue or reduced libido can have several explanations.

Where symptoms suggest a hormonal problem, assessment should include the medical history and appropriately timed blood tests. A diagnosis of testosterone deficiency requires compatible symptoms and consistently low results, rather than a single measurement. [4]

What can push the system towards poorer metabolic health?

Often, several influences accumulate:

Less movement: sedentary routines and little exercise reduce opportunities for muscles to use glucose. [3]
Diet: sustained excess energy intake and poor dietary quality can contribute to abdominal fat and metabolic changes. [2]
Poor sleep: insufficient sleep, sleep apnoea and disrupted rhythms—including shift work—can affect metabolic health. [2]
Smoking and excess alcohol: both add metabolic and cardiovascular risk. [1,2]
Persistent stress: stress hormones affect glucose regulation, while stress can also disrupt sleep, eating and activity. [6]
Age, inherited susceptibility, medical conditions and medicines: these can influence insulin sensitivity, fat distribution and hormone function. [1,2]

These are interacting influences, not a checklist of personal failings. The useful question is which are relevant and changeable for this particular man.

Where do cholesterol and triglycerides fit?

Blood fats are part of the assessment, but they do not simply mirror waistline. Insulin resistance commonly accompanies raised triglycerides and low HDL cholesterol. However, LDL can be raised in a lean man because of inherited cholesterol handling, dietary saturated fat, an underactive thyroid or other factors. LDL and triglycerides measure different aspects of blood fats, so they need not rise together. Normal triglycerides do not make raised LDL unimportant. [1,5]

When to seek medical advice

New marked thirst, frequent urination or unexplained weight loss should prompt medical assessment, particularly if symptoms develop quickly. [8]

Call 112 or 999 for sudden chest pain that feels tight or heavy, spreads to the arms, back, neck or jaw, or occurs with breathlessness, sweating or nausea. Do not wait for a clinic appointment. [7]

Looking at the whole picture

A useful assessment brings together waist measurement, blood pressure, the full lipid profile, glucose or HbA1c, family history and medicines. It also asks about strength, physical activity, sleep, stress and sexual wellbeing. Further tests, including thyroid or testosterone investigations, follow the findings.

At Wildberry Clinic, metabolic care considers nutrition, movement, sleep and individually tailored support alongside existing medical care. The aim is to understand what is changing and support muscle, function and long-term health.

Clinical herbal medicine grounded in science and individualised care.

References

NIDDK. Insulin Resistance and Prediabetes .
NHLBI. Metabolic Syndrome Causes and Risk Factors .
Colberg SR et al. Physical Activity/Exercise and Diabetes. Diabetes Care. 2016;39:2065–2079. doi:10.2337/dc16-1728 .
Pasquali R et al. European Society of Endocrinology Clinical Practice Guideline: Endocrine work-up in obesity. European Journal of Endocrinology. 2020;182:G1–G32. doi:10.1530/EJE-19-0893 .
NHLBI. Blood Cholesterol Causes and Risk Factors .
CDC. Diabetes and Mental Health .
HSE. Chest pain .
NIDDK. Symptoms and Causes of Diabetes .

Disclaimer

This article provides general health information and is not a diagnosis or an individual treatment plan. Persistent symptoms or abnormal blood results require individual clinical assessment.

Goldenrod: A Late-Season Gold with a Long Memory

Fri, 02 Oct 2026 10:22:57 GMT

From Hampstead Wood to the herbalist's dispensary: a herb for wounds, kidneys and kindly attention

There is a story about goldenrod that says as much about people as it does about plants.

In sixteenth-century London, imported goldenrod fetched a handsome price. Apothecaries sold the dried herb for half a crown an ounce, and customers paid without complaint. Then someone found it growing closer to home, in Hampstead Wood, and its value collapsed.

John Gerard grumbled about the change in his Herball of 1597. The plant had lost none of its medicinal qualities. It had simply become familiar. What people treasured when it arrived from abroad, they overlooked when it grew on their doorstep.

Goldenrod deserves a second look. Its yellow flowers brighten the closing weeks of summer, but their beauty is only the surface. Behind them lies a long partnership with medicine: a plant used to tend wounds, support the kidneys and bladder, and soothe inflamed, irritated tissues.

A herb for making whole

European Goldenrod, Solidago virgaurea , has a particularly strong place in the European herbal tradition. Other medicinal goldenrods include Solidago canadensis and Solidago gigantea, and research into these species has explored their chemistry and antibacterial activity, a sign of wider medicinal interest in the genus.

One of goldenrod's oldest recorded reputations is as a wound herb. In the seventeenth century, Nicholas Culpeper called it "a sovereign wound herb, inferior to none". His account also shows us how it was prepared. Fresh or dried goldenrod was simmered into a decoction, which could be taken internally or applied externally. He recommended it for wounds, bruises and bleeding, and as a wash for sores of the mouth and throat. His entry links goldenrod, too, with encouraging the flow of urine and the passage of urinary gravel and stones.

These were practical medicines made from the plant itself: water, heat, and fresh or dried herb.

Goldenrod belonged to household medicine as well as the printed herbals. In his Description of the Western Islands of Scotland (1703), Martin Martin recorded people on Lewis working goldenrod into fresh-butter ointments for newly sustained wounds. Here is the plant in everyday life, gathered and prepared by people who knew their own landscape.

Across these accounts a pattern emerges. Goldenrod was valued for injured tissues, irritated surfaces and urinary difficulties, and those themes still run through its use in herbal medicine today.

What goldenrod does

Goldenrod brings several medicinal actions together: anti-inflammatory, antibacterial, diuretic and astringent.

Its diuretic action encourages the production and flow of urine, which underpins its long place in kidney and bladder care. Its astringency, the tightening action associated with tannin-containing herbs, helps explain its traditional use on irritated tissues, in wound washes and for excessive catarrh.

Its anti-inflammatory character widens the picture considerably. Goldenrod's relevance reaches beyond the urinary tract to inflamed mucous membranes and musculoskeletal complaints. Animal studies have shown anti-inflammatory effects, and laboratory studies have documented antibacterial activity in goldenrod extracts.

These actions explain why herbalists reach for the same plant in such different circumstances. A bladder preparation, an ointment and a prescription for upper respiratory catarrh each draw on a different side of its character.

From the bladder to the joints

Goldenrod remains an important herb in urinary medicine. Its traditional applications include cystitis, urinary irritation and support for the passage of gravel and small urinary deposits.

The link with joint health is also worth exploring. The kidneys help regulate the excretion of uric acid, and when it accumulates and forms crystals in the joints, it can provoke the fierce inflammation of gout.

In a 2021 study, an extract of Solidago virgaurea lowered raised blood uric acid by increasing its excretion through the kidneys. It also reduced experimentally induced swelling. These were animal experiments, but they suggest an intriguing biological bridge between goldenrod's urinary actions and its place in the care of inflammatory joint complaints.

For herbalists, this relationship between elimination and inflammation is familiar ground. Goldenrod invites us to consider both the affected tissues and the processes that influence them.

A place in respiratory and throat care

Goldenrod's affinity with mucous membranes also earns it a place in upper respiratory care.

Herbalists use it for catarrh and congestion of the nose, sinuses and upper throat, including rhinitis and sinusitis. Its astringency is particularly relevant where excessive secretions accompany persistent irritation, while its anti-inflammatory action contributes to the wider therapeutic picture.

That brings us back to the mouth and throat washes of the old herbals, and to an intriguing corner of modern research. In a laboratory study published in 2012, water extracts of goldenrod interfered with Candida albicans as it changed into its filamentous form and formed biofilms, the attached communities that help microorganisms persist on surfaces. The extracts affected this behaviour without simply suppressing all microbial growth.

It is a fascinating glimpse of how a plant preparation can work. Influencing how microbes attach and behave opens another avenue for understanding goldenrod's relationship with tissue surfaces.

The preparation matters

Researchers have identified constituents in Goldenrod including rutin, chlorogenic acid and caffeic acid. Its chemistry helps explain why the method of preparation deserves attention. Water and alcohol draw out different proportions of plant constituents, and studies comparing goldenrod infusions, decoctions, macerations and tinctures have examined differences in flavonoid extraction and antioxidant activity.

Herbalists work with this every day. Choosing a tea, a tincture or a topical preparation is part of choosing how to use the plant.

Goldenrod at Wildberry Clinic

At Wildberry Clinic, goldenrod has a place in both internal prescriptions and external preparations. We use it in individually tailored care for urinary tract infections, cystitis and urinary irritation, drawing on its anti-inflammatory, antibacterial and diuretic actions. It also features in care for people with kidney and urinary calculi or gravel, following its long use in supporting urinary flow and the passage of small deposits.

We consider it in overactive bladder care too, choosing its role and preparation according to the cause of urgency and frequency and the wider clinical picture. Its use extends to upper respiratory congestion, rhinitis, sinusitis and throat infections, including the catarrh that accompanies colds and flu. Here we draw on its anti-inflammatory and astringent character to calm irritated mucous membranes and excessive secretions.

Goldenrod also features in our approach to musculoskeletal inflammation and rheumatic complaints. Externally, we work it into ointments for wound care and skin irritation, continuing its long history as a herb for tending damaged and sensitive tissue.

The prescription follows the person and the condition. Our NIMH-registered clinical herbalists consider medical history, medicines and relevant investigations, working alongside GPs, consultants and physiotherapists.

Bringing goldenrod closer to home

If you would like to grow it, choose by botanical name. European goldenrod, Solidago virgaurea, is a clump-forming perennial that thrives in a sunny position and well-drained soil.

There is a quiet satisfaction in giving a medicinal plant a place in the garden: seeing the first shoots, watching the flowers open, and knowing how it becomes medicine.

Gerard's complaint still rings true. We are quick to admire a remedy that comes from far away and slow to notice the one growing nearby.

Goldenrod asks us to pay attention. Its history belongs to apothecaries, herbalists and households; its present belongs to living herbal practice and continuing research. Those yellow flowers carry a far richer story than their familiarity suggests.

Herbal treatment is individually tailored. Fever, pain in the side or back, blood in the urine, or suspected urinary obstruction require prompt medical assessment.

References

Historical sources

Gerard, J. (1597). The Herball, or Generall Historie of Plantes. London: John Norton. Goldenrod entry. The account of its changing price and discovery near London is also discussed in Knight below.
Knight, L. (2009). Of Books and Botany in Early Modern England: Sixteenth-Century Plants and Print Culture. Ashgate, pp. 90–91. womengovtcollegevisakha.ac.in
Culpeper, N. (1850 edition). The Complete Herbal, incorporating The English Physician Enlarged. London: Thomas Kelly. “Golden Rod” entry. www.gutenberg.org
Martin, M. (1703). A Description of the Western Islands of Scotland. “The Isle of Lewis”: household use of goldenrod in ointments for wounds. www.undiscoveredscotland.co.uk

Research

Tămaș, M., Vostinaru, O., Soran, L., et al. (2021). Antihyperuricemic, anti-inflammatory and antihypertensive effect of a dry extract from Solidago virgaurea L. (Asteraceae). Scientia Pharmaceutica, 89 (2), 27. doi:10.3390/scipharm89020027 . mdpi-res.com
Kołodziej, B., Kowalski, R., & Kędzia, B. (2011). Antibacterial and antimutagenic activity of extracts aboveground parts of three Solidago species: Solidago virgaurea L., Solidago canadensis L. and Solidago gigantea Ait. Journal of Medicinal Plants Research, 5 (31), 6770–6779. doi:10.5897/JMPR11.1098 . academicjournals.org
Chevalier, M., Medioni, E., & Prêcheur, I. (2012). Inhibition of Candida albicans yeast–hyphal transition and biofilm formation by Solidago virgaurea water extracts. Journal of Medical Microbiology, 61 (7), 1016–1022. doi:10.1099/jmm.0.041699-0 . Microbiology Society
Apáti, P., Szentmihályi, K., Kristó, Sz. T., et al. (2003). Herbal remedies of Solidago—correlation of phytochemical characteristics and antioxidative properties. Journal of Pharmaceutical and Biomedical Analysis, 32 (4–5), 1045–1053. PubMed

Herbal practice and cultivation

The Naturopathic Herbalist. (n.d.). Solidago virgaurea. Practitioner monograph describing traditional urinary and upper respiratory applications. Read the monograph . The Naturopathic Herbalist
Royal Horticultural Society. (n.d.). Solidago virgaurea: plant profile and cultivation guidance. www.rhs.org.uk

Disclaimer

This article is for education and shares traditional herbal knowledge, research and clinical practice. Herbal treatment is individually tailored, with the choice of preparation and dose guided by medical history, medicines and relevant investigations. Seek professional advice before self-treating urinary infections or suspected stones. Fever, pain in the side or back, blood in the urine, difficulty passing urine, or rapidly worsening symptoms require prompt medical assessment. Do not change prescribed treatment without consulting your healthcare professional.

The Autumn Apothecary: How a Herbalist Thinks About Coughs

Thu, 01 Oct 2026 11:20:58 GMT

Scratchy throat? Mucus that won't budge? A cough that keeps you up at night? These are three different problems, and a herbalist treats them differently.

When the first cold of autumn arrives, most of us reach for whatever is in the cupboard. A herbalist starts with a question instead: what kind of cough is this? The answer shapes everything that follows, and it's why one herbal tea can't be the right choice for everyone.

Your airways already know what they're doing

Your airways are lined with mucus and tiny moving hairs called cilia, which sweep debris out of the lungs. Coughing is part of that defence system, so the aim isn't always to switch it off. The aim is to help it work again.

Trouble starts when tissues become inflamed, mucus thickens, or coughing turns into a repetitive, exhausting habit. At that point, a herbalist looks at the pattern: irritation, mucus, spasm, and how well the person is recovering. The examples and tea below are our own application of that approach.

Four jobs a herbal blend can do

1. Soothe the irritation. For a dry, tickly cough and a raw throat, herbalists reach for demulcents. Marshmallow root is rich in mucilage, which forms a soft, soothing gel in water. Mullein flower is traditionally used for sore throats with dry coughs. Liquorice brings soothing and expectorant qualities, plus natural sweetness.

2. Help clear the mucus. Expectorants support the clearance of secretions. Thyme, Aniseed and Fennel all have recognised traditional uses for coughs that come with colds. Depending on the pattern, a herbalist might also consider Elecampane or a suitable Ivy preparation.

3. Calm the bouts. When coughing comes in spasms, antispasmodic actions are here to bring a relief. Thyme plays this role as well as being an expectorant. Easing an irritated throat also reduces the urge to cough in the first place.

4. Look after recovery. Echinacea is a familiar name in the cold season. A herbalist weighs the species, the plant part and the preparation, and looks beyond the herbs to sleep, appetite, hydration and recurring infections.

Why we blend

One herb rarely covers every job. Our tea pairs T hyme with L iquorice for respiratory support and throat comfort. Aniseed and F ennel add expectorant and digestive qualities, while E chinacea brings the immunomodulatory touch. Ginger and Ceylon Cinnamon add warmth and flavour. It's a warming, aromatic, lightly sweet cup, and every ingredient earns its place.

Warming Throat And Cough Tea

Makes about 100 g of dried blend

Ingredients:

Thyme herb (Thymus vulgaris) 25 g

Liquorice root, finely cut (Glycyrrhiza glabra) 20 g

Echinacea flowering aerial parts (Echinacea purpurea) 15 g

Aniseed (Pimpinella anisum) 15 g

Sweet Fennel seed (Foeniculum vulgare var. dulce) 15 g

Ceylon Cinnamon bark, finely cut (Cinnamomum verum) 5 g

Dried Ginger, finely cut (Zingiber officinale) 5 g

To make it: Mix the herbs thoroughly and store in a labelled airtight container, away from heat, light and moisture. Give the jar a gentle turn before each use, as the seeds settle.

To brew: Use about 2–3 g of blend per 250 mL of freshly boiled water, which is roughly a level tablespoon. Weigh your first spoonful to see how it compares, and never go above 5 g per cup. Lightly crush the seeds, cover, steep for 15–20 minutes, then strain. Make it fresh each time.

How much: One cup as needed, up to three cups a day, for a few days.

A short safety note

This blend is for short-term adult use. Avoid in pregnancy or breastfeeding, high blood pressure, heart or kidney disease, low potassium, or relevant plant allergies. Check suitability if taking medicines or living with an autoimmune condition; do not combine with other liquorice remedies without advice. Omit ginger if it aggravates reflux. Seek assessment if symptoms worsen or fail to improve after a week, or a cough lasts over three weeks. Breathlessness, chest pain or coughing blood need prompt medical attention.

Beyond the Blockage: How Coronary Plaque Differs in Women and Men

Wed, 30 Sep 2026 11:29:57 GMT

What recent imaging research says about plaque burden, menopause and cardiovascular risk.

Research in Focus | Wildberry Clinic

We tend to picture coronary artery disease as an artery slowly narrowing as fatty material builds up. But the degree of narrowing tells only part of the story. What a plaque contains, how it changes over time and how it interacts with the surrounding artery all shape its clinical significance.

Research published in 2025 and 2026 is revealing how these patterns differ between men and women. It is also focusing attention on midlife, when the menopausal transition can change lipid metabolism and vascular health.

Together, these findings help explain why cardiovascular risk cannot be judged from a single cholesterol result, or from how obstructed an artery looks.

What is an atheroma?

An atheroma is a plaque that develops within the artery wall. It contains varying proportions of fatty material, inflammatory cells, connective tissue and calcium. Some plaques have a substantial lipid-rich core, while others are more fibrous or calcified.

Three measurements capture different aspects of the disease:

Plaque volume: the total amount of plaque present.
Plaque burden: the amount of plaque relative to the size of the vessel.
Stenosis: the degree to which the channel carrying blood has narrowed.

These measurements are related but not interchangeable. Recent studies increasingly examine them together, alongside plaque composition, to assess risk more precisely.

Different patterns in men and women

A July 2025 study in Open Heart analysed coronary CT scans from 1,189 people with non-obstructive coronary artery disease, almost half of them women. These participants had coronary plaque without the degree of narrowing classed as obstructive disease.

Men had a greater proportion of fibrofatty plaque across all the age groups studied. Middle-aged and older men also had more CT-defined necrotic-core components, the areas associated with lipid accumulation and cellular debris.

Middle-aged and older women, by contrast, had greater proportions of fibrous and calcified plaque. Once vessel size was taken into account, however, these women also had a higher total plaque burden. The distinction matters because a smaller absolute amount of plaque can still represent a substantial burden within a smaller artery.

These are patterns within a particular population. They do not sort plaques into a "male type" and a "female type", and they do not show that a more fibrous or calcified plaque makes an individual's disease harmless.

Less plaque does not always mean proportionately less risk

A 2026 analysis of the PROMISE study adds another dimension. Researchers assessed 4,267 people with stable chest pain, 2,199 of them women, and followed outcomes over a median of 26 months.

Women were less likely to have detectable plaque and had lower total plaque volume, yet their plaque burden relative to vessel volume was similar to men's.

The link between plaque burden and later cardiovascular events also differed. In women, modelled risk began to rise at lower plaque burdens and climbed more steeply. The outcome combined death, myocardial infarction and hospitalisation for unstable angina.

This suggests the same plaque measurement may not carry the same meaning in women and men, which supports more individualised interpretation. It does not establish new universal treatment thresholds.

An August 2026 study of 5,412 patients also produced age- and sex-specific reference values for coronary plaque. Its authors stressed that these are descriptive benchmarks that still need validating against clinical outcomes.

Menopause and the conditions that favour plaque formation

The menopausal transition can alter several processes relevant to cardiovascular health. These include rises in LDL cholesterol and apolipoprotein B, changes in fat distribution and metabolic health, and remodelling of blood vessels.

These changes overlap with ageing. Blood pressure and glucose regulation may also worsen in midlife, but their trajectories cannot be attributed solely to falling oestrogen. Menopause acts within a wider picture of existing risk factors and years of cumulative exposure.

A large study in Nature Communications in November 2025 examined coronary CT scans from 16,300 patients in China. It found different age-related patterns of plaque burden: a relatively steady increase across age groups in men, and a curve that steepened with advancing age in women.

That pattern is compatible with a contribution from menopause, but association is not cause. The researchers compared people of different ages; they did not follow each woman's plaque across her final menstrual period. The findings cannot separate the effects of hormonal change from those of ageing, treatment or earlier risk exposure.

The useful conclusion is that menopause is a time when several influences on plaque development may shift together. It does not mean atherosclerosis begins at menopause, or that its progression is inevitable.

HDL: a more complicated picture

HDL is often called "good cholesterol", but the cholesterol carried in HDL particles is only one aspect of their biology.

The 2025 SWAN HDL study followed 279 women and examined HDL cholesterol efflux capacity in relation to the final menstrual period. Efflux capacity measures how effectively HDL accepts cholesterol from cells, a function relevant to cholesterol removal.

Higher efflux capacity was not consistently linked to better vascular health as women moved through menopause. The researchers assessed vascular health using arterial wall thickness, arterial stiffness and coronary calcium.

This does not show that HDL causes plaque, and a routine HDL cholesterol test does not measure efflux capacity. But it illustrates why HDL biology cannot be reduced to one reassuring number. In midlife, a favourable HDL result should be read alongside the rest of the lipid profile and the person's wider cardiovascular risk.

Rupture and erosion: two routes to a clot

Composition also matters because a clot can form by different mechanisms. In plaque rupture, the fibrous cap breaks and exposes the material beneath to the blood. In plaque erosion, a clot forms over a damaged surface without that rupture.

Earlier pathology studies linked erosion particularly with younger women, but the distinction is not a simple divide between the sexes. An invasive imaging study of 1,368 patients with acute coronary syndromes found similar overall proportions of rupture and erosion in women and men, while rupture and features of vulnerability increased with age in women.

This is useful context for the newer research: both mechanisms occur in both sexes, and age alters the comparison.

Cardiovascular health in menopause care

In clinical practice, these findings strengthen the case for considering cardiovascular health alongside menopausal symptoms.

A fuller assessment draws on blood pressure, the complete lipid profile, glucose regulation, smoking, family history, physical activity and sleep. The age at menopause also matters, as earlier menopause is recognised as a marker of increased cardiovascular risk.

Investigations should follow symptoms and individual risk. These studies do not establish a need for routine coronary plaque scanning in everyone.

Hormone therapy may be appropriate for menopausal symptoms after an individual assessment. However, current NICE guidance advises against prescribing HRT specifically to prevent cardiovascular disease. A hormonal contribution to vascular risk does not, on its own, show that HRT will prevent or reverse plaque.

At Wildberry Clinic, this research reinforces the value of considering endocrine, metabolic and cardiovascular health together, working alongside GPs and consultants. Midlife offers a chance to recognise changing risk and address it before cardiovascular disease becomes clinically apparent.

References

Hondros CAB, et al. Age-stratified differences in coronary artery plaque phenotypes in women and men with non-obstructive coronary artery disease. Open Heart. 2025;12. doi:10.1136/openhrt-2025-003371 .
Brendel JM, et al. Risk in Women Emerges at Lower Coronary Plaque Burden Than in Men: PROMISE Trial. Circulation: Cardiovascular Imaging. 2026;19. doi:10.1161/CIRCIMAGING.125.019011 .
Breitbart P, et al. Coronary plaque burden and composition in an ESC guideline-selected outpatient CCTA cohort: age- and sex-specific percentile distributions. Clinical Research in Cardiology. Published 3 August 2026. doi:10.1007/s00392-026-02993-5 .
El Khoudary SR, et al. Menopause Transition and Cardiovascular Disease Risk: Implications for Timing of Early Prevention. Circulation. 2020;142–e532. doi:10.1161/CIR.0000000000000912 .
Yang X, et al. Deciphering age- and sex-specific patterns of coronary artery atherosclerosis from a large Chinese cohort. Nature Communications. 2025;16:10616. doi:10.1038/s41467-025-64940-8 .
El Khoudary SR, et al. High-Density Lipoprotein Cardioprotection Function Deteriorates as Women Transition Through Menopause: The SWAN HDL Study. JACC: Advances. 2025;4:102131. doi:10.1016/j.jacadv.2025.102131 .
Seegers LM, et al. Sex Differences in Culprit Plaque Characteristics Among Different Age Groups in Patients With Acute Coronary Syndromes. Circulation: Cardiovascular Interventions. 2022;15. doi:10.1161/CIRCINTERVENTIONS.121.011612 .
NICE. Menopause: identification and management. NG23. Cardiovascular disease prevention, recommendation 1.6.4 . Accessed 30 September 2026.

This article provides educational information and does not replace individual medical assessment or treatment. New or persistent chest symptoms require medical attention.

MEN'S HEALTH SERIES: The Arteries Tell a Wider Story: Cardiovascular Health in Men

Tue, 29 Sep 2026 17:39:19 GMT

Blood pressure, lipids, metabolic health, liver function, work pressure and sexual health often belong to the same clinical picture.

Cardiovascular disease can develop quietly for years. Its first sign may be a raised blood-pressure reading, a changing waistline, a shifting lipid profile, fatty liver spotted on a scan, poorer exercise tolerance, or a change in erectile function. Each finding deserves attention on its own — but its real meaning only emerges when it's read as part of the wider physiology.

For men, then, a useful cardiovascular review asks more than whether cholesterol is "high" or blood pressure is "normal." It looks at the pressure acting on the artery wall, the particles carrying lipids through the blood, glucose and insulin regulation, visceral fat, liver and kidney health, sleep, work stress, hormonal symptoms, medication and family history — together, as one story rather than several.

Blood pressure and the load on the arteries

Blood pressure is the force generated as the heart pumps blood through the circulation. When it stays elevated, it adds mechanical stress to the arterial lining and extra workload to the heart and kidneys. Over time, this can contribute to arterial stiffness, left-ventricular changes, kidney damage, and a higher risk of stroke and coronary disease.

Hypertension is often symptomless. Headache, flushing or palpitations can arise for many reasons and cannot reliably confirm or rule it out. Even a single clinic reading can be skewed — by pain, anxiety, caffeine, recent exercise, an unsuitable cuff, or simply the clinical setting itself. Repeated home measurements or ambulatory monitoring give a more representative pattern when that's clinically appropriate. Current European guidance places blood pressure within a person's overall cardiovascular risk, rather than judging one number in isolation.

Contributing factors can include family history, age, visceral adiposity, insulin resistance, obstructive sleep apnoea, alcohol, smoking, kidney disease, medication, and chronic psychosocial stress. A raised reading, in other words, calls for a considered assessment — not an assumption about a single cause.

Cholesterol is essential — but its transport matters

Cholesterol is not a waste product. Every cell needs it for membrane structure, and the body uses it to build steroid hormones, bile acids and vitamin D. Most of it is made in the body, with the liver central to its synthesis, recycling and clearance. Diet plays a role — but only one part of the picture.

Because cholesterol and triglycerides don't dissolve in water, they travel through the bloodstream packaged inside lipoproteins. A standard lipid panel measures some of the cholesterol and triglyceride carried within these particles; it does not directly measure how much cholesterol the liver is producing.

Total cholesterol is the combined cholesterol carried across several lipoprotein classes — difficult to interpret on its own.
LDL cholesterol estimates the cholesterol contained within LDL particles, but not the number of particles themselves.
Non-HDL cholesterol , calculated by subtracting HDL from total cholesterol, captures cholesterol carried in LDL and other potentially atherogenic particles, including triglyceride-rich remnants.
Apolipoprotein B (apoB) estimates the number of atherogenic particles directly — especially informative when LDL looks acceptable but triglycerides, diabetes, insulin resistance or visceral adiposity suggest particle number may still be high.
Triglycerides reflect another arm of lipid and energy transport. Raised levels may accompany insulin resistance, fatty liver, alcohol intake, certain medicines, genetic disorders, or simply recent food intake.
HDL cholesterol still has a place in risk assessment, but a high result is no guarantee of protection — deliberately raising HDL has not consistently reduced cardiovascular events.
Lipoprotein(a) [Lp(a)] is largely genetically determined. Contemporary guidance recommends measuring it at least once in adulthood, since an elevated level adds inherited risk invisible to a routine lipid panel.

Atheroma develops when apoB-containing particles enter and become trapped within the artery wall. The immune and repair response that follows can build a lipid-rich plaque of inflammatory tissue, fibrous tissue and, eventually, calcium. So the real question isn't whether cholesterol is "good" or "bad" — it's what the complete lipid pattern reveals about cumulative exposure and overall risk.

Visceral fat links metabolism, hormones and liver health

Body weight alone tells an incomplete story. Fat stored around the abdominal organs is metabolically active in ways that subcutaneous fat is not. Some men with a high body mass index carry relatively little visceral fat; others with a lower BMI carry more of it around the organs and within the liver itself.

A 2026 analysis of almost 5,000 US men found that visceral adiposity revealed marked testosterone differences even among men within the same BMI or waist category. Men with high visceral fat had substantially lower testosterone than men with low visceral fat — and some normal-weight men with high visceral fat had testosterone levels comparable to men classified as obese.The study was cross-sectional, so it can't prove visceral fat caused the hormonal change — but it shows how easily weight alone can miss something important about male physiology.

Visceral adiposity can increase fatty-acid delivery to the liver and contribute to insulin resistance. Higher insulin, in turn, can reduce hepatic production of sex hormone-binding globulin, which affects measured total testosterone. Adipose aromatase activity, inflammatory signals, leptin dysregulation and sleep apnoea may all add further pressure on the hypothalamic-pituitary-gonadal axis. Lower testosterone then makes it harder to preserve muscle, and may favour further fat accumulation — a cycle that can become self-reinforcing.

None of this means every man carrying abdominal weight has hypogonadism, or that a low testosterone result should automatically lead to replacement therapy. Symptoms, repeated morning measurements and the wider endocrine and metabolic context all matter. Weight-loss studies do show that endogenous testosterone can improve as weight falls, though the response varies between individuals and methods of weight loss.

The liver sits at the centre of this metabolic traffic. Metabolic dysfunction-associated steatotic liver disease (MASLD) describes excess liver fat occurring alongside metabolic risk — and it can be silent, since normal liver enzymes don't always rule it out. MASLD can also appear in people who aren't visibly overweight.

Fatty liver matters for cardiovascular health because it commonly travels with insulin resistance, atherogenic dyslipidaemia, hypertension and systemic inflammation. Recent large prospective research links MASLD — particularly more severe disease — with the development of cardiometabolic disease and multimorbidity.

These studies don't prove liver fat alone causes cardiovascular disease; MASLD is both a marker of shared metabolic disturbance and a possible contributor to it. Fibrosis risk matters especially, so liver assessment may include enzymes, platelet count, an appropriate fibrosis score, and imaging where the clinical picture warrants it.

Work stress and inadequate recovery

"Work stress" deserves more precision than simply "being busy." Research commonly distinguishes job strain — high demands paired with low control — from effort-reward imbalance, where sustained effort goes unmatched by security, recognition, remuneration or progression.

In an 18-year Canadian cohort, men exposed to either job strain or effort-reward imbalance had a 49 per cent higher adjusted incidence of coronary heart disease. Men exposed to both faced roughly double the incidence of those exposed to neither. This was observational, so it can't prove work stress caused each event — but the association held even after adjusting for major clinical and lifestyle factors. A related prospective study also linked these workplace stressors to atrial fibrillation.

The likely pathway isn't a single "cortisol problem." Chronic strain can alter sympathetic activity, blood-pressure regulation and sleep. It can also shape alcohol intake, appetite, food timing, movement, smoking, and even whether someone has the bandwidth to attend appointments or follow a treatment plan. Shift work and obstructive sleep apnoea can compound the strain further.

Assessment should therefore ask about workload, control, recovery, sleep and coping patterns — alongside blood pressure and lab results. Stress-management techniques help, but they can't fully offset an unsafe workload or persistently damaging working conditions.

Erectile difficulty can be a cardiovascular clue

An erection depends on arterial inflow, endothelial signalling, intact nerves, appropriate hormonal support and psychological safety. Persistent or unexplained erectile difficulty can therefore be an early prompt to review cardiovascular and metabolic risk — particularly alongside hypertension, diabetes, smoking, abdominal adiposity, or reduced exercise tolerance.

Recent long-term cohort evidence continues to link erectile dysfunction with cardiovascular mortality, and the Princeton IV consensus recommends folding cardiovascular risk assessment into the care of men presenting with erectile dysfunction. Association isn't causation here: medication, anxiety or depression, relationship factors, low testosterone, neurological disease, pelvic surgery, alcohol and sleep disturbance can all contribute too.

The right response is neither alarm nor dismissal — just a careful history and a proportionate look at the wider picture.

Testosterone treatment needs context

Low testosterone often turns up alongside obesity, diabetes, sleep apnoea, chronic illness and certain medicines. It may reflect organic hypogonadism — or it may simply be a functional signal of poorer metabolic health.

The TRAVERSE randomized trial followed 5,246 men with symptoms, repeatedly low testosterone, and established cardiovascular disease or elevated cardiovascular risk. Over a mean treatment period of roughly 22 months, testosterone wasn't associated with more major cardiovascular events than placebo — but atrial fibrillation, pulmonary embolism and acute kidney injury occurred more often in the testosterone group.[A separate observational analysis of healthy men aged 70 or older linked high-normal endogenous testosterone with more incident atrial fibrillation.

These findings argue against simplistic claims in either direction. Testosterone treatment shouldn't be marketed as cardiovascular prevention — but appropriately prescribed treatment for confirmed hypogonadism shouldn't automatically be painted as dangerous either. Diagnosis, indication, dose, treatment target and monitoring all matter.

Other male health encounters can reveal cardiometabolic risk

Male infertility may sometimes be another early marker. A 2026 population study of more than 445,000 fathers found modestly higher adjusted risks of hypertension, heart disease and diabetes among men diagnosed with infertility. Important lifestyle factors couldn't be fully measured, so infertility shouldn't be called a cause of cardiovascular disease — but a fertility assessment can offer a useful window into metabolic health for men who might otherwise have little contact with healthcare.

Prostate-cancer treatment is another important context. Androgen-deprivation therapy can affect body composition, glucose regulation, lipids and cardiovascular risk. In a small 2026 randomized trial of 62 men receiving radiotherapy and androgen-deprivation therapy, Leuprolide was associated with greater progression of total and non-calcified coronary plaque over 12 months than Relugolix. This shouldn't change cancer treatment without oncology input — but it does support proactive cardiovascular monitoring and shared decision-making, particularly for men with existing risk.

What a useful cardiovascular review may include

No single test captures cardiovascular health, and not everyone needs every investigation. Depending on age, symptoms, history and existing diagnoses, a review may consider:

repeated clinic, home or ambulatory blood-pressure measurements
total cholesterol, LDL, HDL, triglycerides and non-HDL cholesterol, with apoB and Lp(a) where appropriate
fasting glucose or HbA1c and other markers of insulin resistance when relevant
waist pattern and body composition, not body weight alone
liver enzymes, platelet count, and assessment for MASLD or fibrosis risk
kidney function and urine findings
smoking, alcohol, food pattern, movement and cardiorespiratory fitness
sleep duration, snoring, daytime sleepiness and possible sleep apnoea
work strain, mood, recovery and major life pressures
erectile, hormonal, fertility or prostate-treatment history
medicines, supplements and family history of premature cardiovascular disease

These results need to be read together. Raised triglycerides, a larger waist, fatty liver and lower SHBG, for instance, may describe one connected metabolic pattern rather than four unrelated problems.

The Wildberry approach

At Wildberry Clinic, we assess cardiovascular health within a person's wider physiological and clinical story — reviewing symptoms, diagnoses, investigations, medication, family history, sleep, food pattern, activity, work demands, metabolic health, and relevant hormonal or sexual-health changes. Where further investigation or medical treatment is needed, we support appropriate discussion with the GP or consultant.

Clinical herbal medicine may have a supportive role in areas such as vascular tone, endothelial function, stress regulation, sleep, metabolic health and liver function. The choice must always be individual — blood pressure, kidney and liver function, prescribed medication and potential herb-drug interactions all shape what's appropriate. Herbal treatment does not replace indicated antihypertensive, lipid-lowering, diabetes, anticoagulant or oncology care.

The arteries may tell their story through a blood-pressure reading or a lipid panel. But they speak just as often through sleep, liver health, abdominal metabolism, work strain, or erectile function. Read together, these signs offer a chance to act — earlier, and more intelligently.

References

McEvoy JW, McCarthy CP, Bruno RM, et al. 2024 ESC Guidelines for the management of elevated blood pressure and hypertension. European Heart Journal. 2024;45(38):3912–4018. doi: 10.1093/eurheartj/ehae178 .
Blumenthal RS, et al. 2026 ACC/AHA/AACVPR/ABC/ACPM/ADA/AGS/APhA/ASPC/NLA/PCNA Guideline on the Management of Dyslipidemia. Circulation. 2026;153–e1276. doi: 10.1161/CIR.0000000000001423 .
Friedl KE, Potter AW. Low testosterone is a phenotype of visceral adiposity. Journal of the Endocrine Society. 2026;10(8). doi: 10.1210/jendso/bvag160 .
Muir CA, Wittert GA, Handelsman DJ. Approach to the patient: low testosterone concentrations in men with obesity. Journal of Clinical Endocrinology & Metabolism. 2025;110(9)–e3130. doi: 10.1210/clinem/dgaf137 .
Brzozowska MM, Bliuc D, Mazur A, et al. Sex-differential testosterone response to long-term weight loss. International Journal of Obesity. 2024;48(10):1481–1488. doi: 10.1038/s41366-024-01591-7 .
European Association for the Study of the Liver, European Association for the Study of Diabetes and European Association for the Study of Obesity. EASL–EASD–EASO Clinical Practice Guidelines on the management of metabolic dysfunction-associated steatotic liver disease. Journal of Hepatology. 2024;81(3):492–542. doi: 10.1016/j.jhep.2024.04.031 .
Shen C, et al. Metabolic dysfunction-associated steatotic liver disease, cardiometabolic multimorbidity and mortality: evidence from the UK Biobank. Clinical Research in Cardiology. 2026;115(8):1378–1388. doi: 10.1007/s00392-026-02845-2 .
Lavigne-Robichaud M, et al. Psychosocial stressors at work and coronary heart disease risk in men and women: 18-year prospective cohort study of combined exposures. Circulation: Cardiovascular Quality and Outcomes. 2023;16(10). doi: 10.1161/CIRCOUTCOMES.122.009700 .
Tiwa Diffo E, et al. Psychosocial stressors at work and atrial fibrillation incidence: an 18-year prospective study. Journal of the American Heart Association. 2024;13(16). doi: 10.1161/JAHA.123.032414 .
Bhattacharyya S, et al. Association of erectile dysfunction with all-cause and cardiovascular mortality in US men: findings from NHANES 2001–2004 with 16-year follow-up. International Journal of Impotence Research. Published online 24 November 2025. doi: 10.1038/s41443-025-01218-z .
Kloner RA, Burnett AL, Miner M, et al. Princeton IV consensus guidelines: PDE5 inhibitors and cardiac health. The Journal of Sexual Medicine. 2024;21(2):90–116. doi: 10.1093/jsxmed/qdad163 .
Lincoff AM, Bhasin S, Flevaris P, et al. Cardiovascular safety of testosterone-replacement therapy. New England Journal of Medicine. 2023;389(2):107–117. doi: 10.1056/NEJMoa2215025 .
Tran C, et al. Testosterone and the risk of incident atrial fibrillation in older men: further analysis of the ASPREE study. eClinicalMedicine. 2024;72:102611. doi: 10.1016/j.eclinm.2024.102611 .
Marozzi J, Hanly M, Venetis C, et al. Male infertility and risk of cardiometabolic conditions: a population-based cohort study. Human Reproduction. 2026;41(1):93–107. doi: 10.1093/humrep/deaf218 .
Patel SA, et al. Coronary plaque progression after androgen deprivation therapy in men with prostate cancer: a randomized clinical trial. JAMA Cardiology. 2026;11(5):459–463. doi: 10.1001/jamacardio.2025.5586 .

Important information

This article is provided for general educational purposes and is not a substitute for individual medical assessment, diagnosis or treatment. Cardiovascular symptoms, persistent erectile difficulties, suspected testosterone deficiency and abnormal blood-pressure or laboratory results should be assessed by an appropriately qualified healthcare professional.

Do not start, stop or alter prescribed medication, testosterone treatment, supplements or herbal medicines on the basis of this article. Herbal medicines can interact with prescribed medicines and may require particular caution in people with cardiovascular, liver or kidney disease, those taking anticoagulant or antiplatelet medication, and those preparing for surgery.

Clinical herbal care at Wildberry Clinic is intended to work alongside—not replace—care from GPs, consultants and other healthcare professionals.

Chest pain or pressure, sudden breathlessness, fainting, signs of a stroke, or a new rapid or irregular heartbeat accompanied by chest pain, breathlessness or dizziness requires urgent medical assessment. In Ireland, call 112 or 999 .

From Plant to Prescription: Monarda. The Herb That Hummed Our Wildberry Garden to Life

Sun, 27 Sep 2026 17:03:28 GMT

Three North American species, their Indigenous uses, aromatic chemistry and place in modern herbal medicine.

This summer, one plant changed the sound of the Wildberry medicinal garden. Above its slender stems, rings of lavender-purple flowers rose one above another like small botanical towers. As soon as they opened, the whole patch began to hum. Bees moved constantly between the tiers, disappearing into the tubular flowers and emerging dusted with pollen. It was difficult to pass without stopping to watch.

This was Monarda citriodora—lemon bee balm—and its arrival in the garden opened a much larger story. Monarda is not simply an attractive pollinator plant, nor is it one interchangeable medicinal herb. It is a distinctly North American genus whose different species became foods, drinks and medicines within different landscapes and cultural traditions.

Our purple-flowered plant led us to two of its best-known relatives: Monarda fistulosa, or wild bergamot, with the most extensive surviving record of Indigenous medicinal use; and the scarlet Monarda didyma, the plant that became known as Oswego tea.

Their family resemblance is clear. All three belong to the mint family and carry aromatic compounds within their leaves and flowering tops. Yet their histories, chemistry and therapeutic emphasis are not identical. To understand the Monarda growing in our garden, we first have to allow each species to keep its own identity.

Three Monardas, three distinctive plants

Monarda citriodora: lemon bee balm

This is the species growing in our medicinal garden. Native to the central and southern United States and extending into northern and western Mexico, it is usually an annual or short-lived plant. Its most striking feature is its architecture: several flowering rings are arranged along the upper stem, each accompanied by pale green, pink or lavender bracts.

When the foliage is rubbed, its first impression can be fresh and lemon-like. As the plant matures, the aroma often becomes warmer, sharper and more reminiscent of oregano. That change is a sensory clue to its concentration of volatile aromatic compounds.

Monarda fistulosa: wild bergamot

Wild bergamot is a widespread perennial with lavender, mauve or occasionally pale flowers gathered into rounded terminal heads. Its natural range extends across a large part of North America, and its wide distribution is reflected in an exceptionally varied ethnobotanical record.

This is the species behind many of the respiratory, digestive, fever and topical uses now casually attributed to “bee balm” as a whole.

Monarda didyma: scarlet bee balm

The third species is difficult to mistake in flower. Monarda didyma carries brilliant scarlet heads above red-tinged bracts and naturally favours the moist soils of eastern North America. Its aromatic leaves and flowers became associated with the drink settlers called Oswego tea.

All three are pollinator plants; all three are aromatic; and all three have entered medicinal or culinary practice. But they entered by different routes.

Nanakopsi: “one perched above the other”

The earliest specific written record we located for Monarda citriodora appears in J. Walter Fewkes’s 1896 account of Hopi ethnobotany. The plant was recorded under the Hopi name nanakopsi, derived from words describing the flowers as sitting “one perched above the other.”

Anyone looking at its stacked flowering whorls can understand the precision of the name.

Fewkes wrote that nanakopsi was gathered by people taking part in a communal hare hunt. The plant was boiled and eaten specifically with hare. This is not recorded as a medicinal formula, but it is a valuable piece of direct cultural evidence: M. citriodora was not merely a fragrant wild plant. It had a recognised place in food and was paired with a particular meat.

The record is also a reminder of how carefully history must be handled. We cannot identify a single people who “first discovered” Monarda. Indigenous knowledge long predates the surviving written accounts, most of which were recorded by outsiders during the nineteenth and early twentieth centuries. The date of a publication tells us when a practice entered the written record—not when the knowledge began.

An earlier medical account offers another intriguing glimpse. In 1830, the botanist Constantine Samuel Rafinesque described a lemon-scented Louisiana Monarda, written as M. citrodora, as being frequently used as a pleasant stomachic tea. He also noted that the dried flowers were strongly sternutatory: when powdered and inhaled, they provoked sneezing.

His taxonomy predates modern botanical treatment, but the description clearly shows a lemon-scented Monarda already recognised as both a digestive drink and a strongly aromatic head-clearing herb.

Later regional accounts describe lemon bee balm tea for colds, coughs and fever. These uses are plausible within the wider Monarda tradition, but the surviving documentation is less precise about which Indigenous nation used M. citriodora in this way. They should therefore be presented as regional records rather than assigned to a particular people without evidence.

Monarda fistulosa: the richest medicinal record

The history of wild bergamot is far more detailed. Its wide distribution meant that it was encountered and used by many Indigenous nations, each within its own system of medicine and daily life.

Recorded preparations were remarkably varied. The Iroquois used it as a beverage. The Menominee steeped the leaves and flower heads as a tea for catarrhal illness. Among the Ojibwe, dried flowering tops were used during colds, while the whole herb could be boiled so that its aromatic vapours could be inhaled for bronchial and catarrhal complaints. Chewed leaves were also placed in the nostrils for headache.

The Meskwaki combined wild bergamot with other plants for colds, although the surviving summary does not identify the companion herbs. Rather than attempting to reconstruct a lost formula, it is more honest to preserve the limit of the record.

The Ho-Chunk incorporated the plant into sweat baths and inhaled its fumes during colds. The Teton Dakota boiled the leaves and flowers for abdominal pain. The Blackfoot prepared a tea from the blossoms and leaves for stomach pain and applied boiled leaves to pustular skin eruptions. A warm Cherokee poultice was recorded for headache, while the Tewa dried and powdered the plant for headache, fever, sore eyes and colds.

This was not one universal “Native American use.” It was a pattern of distinct local practices connected by the same aromatic plant: tea, vapour, sweat bath, powder and poultice. Taken together, they show Monarda occupying the boundary between respiratory medicine, digestive medicine and external treatment.

European settlers later adopted wild bergamot as a warming diaphoretic and carminative, using it for feverish illnesses, flatulent colic, nausea and vomiting. In nineteenth-century North American herbal medicine, Monarda became valued as an aromatic stimulant: a plant that could warm, move, disperse and settle at the same time.

Monarda didyma and Oswego tea

Scarlet bee balm followed a different cultural route. Its flowers or young leaves were infused in water to make the drink that became known to settlers as Oswego tea, following Indigenous use in the region now called Oswego, within Haudenosaunee homeland.

The early descriptions do not present Oswego tea as an elaborate multi-herb recipe. Some refer to tea made from the scarlet flowers; others specify the young aromatic leaves. Later preparations commonly used the leaves and flowering tops together.

By the nineteenth century, British writers described the infusion being served with sugar and cream, in the manner of ordinary tea, and regarded it as both a pleasant aromatic beverage and a mild fever remedy. Honey, lemon, mint and black tea appear in modern recipes, but they should not be projected backwards into the original Indigenous preparation.

The frequently repeated story that colonists turned en masse to Oswego tea after the Boston Tea Party is attractive, but difficult to demonstrate from contemporary evidence. It is safer to say that Monarda was one of several North American plants adopted as an alternative to imported tea during the colonial and early national periods.

What creates the Monarda aroma?

Crush a leaf and the chemistry becomes immediately perceptible. Monarda stores volatile compounds in glandular structures on its aerial parts. In M. citriodora, the principal compounds often include thymol, carvacrol, p-cymene and gamma-terpinene.

Thymol and carvacrol are phenolic monoterpenes also familiar from thyme and oregano. They help explain Monarda’s warm, penetrating flavour and the antibacterial and antifungal activity observed in laboratory studies. P-cymene and gamma-terpinene contribute to the aroma and form part of the plant’s interconnected volatile chemistry.

There is, however, no single universal Monarda oil. One analysis of M. citriodora flower oil from plants grown in Kashmir found thymol at almost 80 per cent, while Italian-grown material contained approximately 20 per cent thymol alongside larger proportions of p-cymene, gamma-terpinene and carvacrol. Genetics, soil, climate, plant part and stage of harvest can all change the chemical balance.

This variability matters clinically. Two plants carrying the same Latin name may not smell, taste or act with precisely the same intensity. Organoleptic assessment—the colour, scent, taste and feel of the herb—is not an old-fashioned extra; it is part of understanding the material in front of us.

More than an essential oil

Monarda is sometimes discussed as if it were simply a container for thymol, but the whole herb is chemically broader than its volatile oil.

Analyses of flowering Monarda herbs have identified phenolic acids and flavonoids, including rosmarinic, chlorogenic, gallic and p-coumaric acids; luteolin and apigenin derivatives; naringenin; and related polyphenols. In M. citriodora, researchers have identified a characteristic profile that includes gallic acid, p-coumaric acid, hydroxybenzoic-acid derivatives and luteolin-7-glucoside alongside compounds shared with other members of the genus.

These polyphenols contribute antioxidant and inflammation-modulating possibilities that are not captured by studying the essential oil alone. They also help explain why an infusion, tincture and distilled oil cannot be treated as equivalent preparations. Hot water draws out a mixture of aromatic and water-soluble constituents; alcohol produces another chemical balance; distillation concentrates the most volatile fraction and leaves much of the polyphenol chemistry behind.

Recent laboratory research has found antioxidant activity and activity against several microorganisms in extracts or essential oils from Monarda species, with generally stronger effects against Gram-positive bacteria than Gram-negative organisms.

From chemistry to herbal actions

Seen through both tradition and chemistry, Monarda has a particularly coherent set of actions.

A warming aromatic digestive. Its pungent volatile compounds stimulate the senses and suit digestive discomfort characterised by fullness, gas, nausea or a sense of cold stagnation. Rafinesque’s description of lemon bee balm as a “stomachic tea” fits naturally with the later carminative use of other Monarda species.

A respiratory aromatic. Warm infusions and inhaled vapours bring volatile compounds into contact with the mouth, throat and upper airways. Traditional use concentrated particularly on colds with congestion, catarrh and a heavy or obstructed feeling rather than on dry irritation alone.

A warming diaphoretic. Taken hot, Monarda was used to encourage peripheral warmth and sweating during the early, chilled stages of feverish illness. This is one reason it sits so naturally beside elderflower, yarrow and ginger.

A topical and oral aromatic. Historical washes, poultices and applications for skin eruptions are consistent with the antimicrobial activity demonstrated for thymol- and carvacrol-rich preparations. A whole-herb wash is not equivalent to applying concentrated essential oil, which can irritate or damage the skin when used incorrectly.

A polyphenol-rich protective herb. Its flavonoids and phenolic acids add antioxidant activity to the more immediate warming and aromatic effects of the volatile fraction.

How we use Monarda citriodora at Wildberry

Our plant entered the dispensary through our seasonal autumn tea. Here, M. citriodora is not expected to do everything. It occupies a precise position within a wider formula.

Its warming aromatic character complements elderflower and yarrow, traditionally chosen when a seasonal illness begins with chilliness and poor peripheral warmth. Ginger reinforces circulation and digestive warmth, while peppermint lifts the flavour and supports comfortable digestion and breathing. Echinacea provides an immune-focused element, rosehip contributes its nutritive and polyphenol-rich character, and the gentler relaxing herbs help the body settle and rest.

The result is not an attempt to reproduce an Indigenous formula. It is a contemporary clinical pairing informed by Monarda’s documented history, its chemistry, its taste and the role required of it within the blend.

Beyond that formula, we might consider M. citriodora in three broad ways:

In the early, chilly stage of a cold, alongside elderflower, yarrow or ginger.
Where respiratory congestion accompanies digestive heaviness, with herbs selected for the individual presentation rather than from a fixed recipe.
As a warming carminative where gas, post-meal fullness or nausea calls for something more pungent than a purely soothing digestive tea.

Its place is less obvious in a very hot, dry or irritated presentation, where strongly aromatic herbs may feel excessive and demulcent or cooling plants may be more appropriate. As always, the herb is selected for the person and the pattern—not simply for the name of a condition.``

The plant, the bees and the prescription

We first noticed Monarda citriodora because the bees made it impossible not to notice. They revealed one of the plant’s living relationships before we had explored any of its constituents or read a single historical record.

Following that plant from the garden led us across a much wider medicinal landscape: to Hopi nanakopsi cooked with hare; to wild bergamot prepared as tea, vapour, bath, powder and poultice; to the scarlet flowers and young leaves of Oswego tea; and finally back to our own dispensary, where lemon bee balm now contributes its warmth and aromatic intelligence to a modern seasonal formula.

The three Monardas are related, but they are not interchangeable. Their shared chemistry gives the genus a recognisable medicinal character; their different histories teach us to be precise.

And our own plant will always carry one additional association: the summer it hummed the Wildberry garden to life.

References

Royal Botanic Gardens, Kew. Plants of the World Online: Monarda L.; Monarda citriodora Cerv. ex Lag.; Monarda fistulosa L.; Monarda didyma L.
Fewkes JW. A Contribution to Ethnobotany. The American Anthropologist. 1896;9:14–21.
USDA Natural Resources Conservation Service. Plant Guide: Wild Bergamot—Monarda fistulosa L. National Plant Data Center.
Moerman DE. Native American Ethnobotany. Portland, Oregon: Timber Press; 1998. Native American Ethnobotany Database, BRIT.
Rafinesque CS. “Monarda coccinea.” In: Medical Flora, or Manual of the Medical Botany of the United States of North America. Vol. 2. 1830.
Meehan T. “Oswego Tea: Monarda didyma.” In: The Native Flowers and Ferns of the United States.
Lawson SK, Satyal P, Setzer WN. The Volatile Phytochemistry of Monarda Species Growing in South Alabama. Plants. 2021;10(3):482. doi:10.3390/plants10030482.
Wani AR, Yadav K. Chemical Characterization, Antimicrobial, Antiproliferative and Antioxidant Activities of the Essential Oil of Monarda citriodora Growing in Kashmir. International Journal of Pharmaceutical Investigation. 2021;11(2):170–175. doi:10.5530/ijpi.2021.2.31.
Kozyra M, Biernasiuk A, Wiktor M, Kukula-Koch W, Malm A. Comparative HPLC–DAD–ESI-QTOF/MS/MS Analysis of Bioactive Phenolic Compounds Content in the Methanolic Extracts from Flowering Herbs of Monarda Species and Their Free Radical Scavenging and Antimicrobial Activities. Pharmaceutics. 2023;15(3):964. doi:10.3390/pharmaceutics15030964.

Disclaimer

This article is for education and does not replace individual medical assessment. The traditional use of a whole-herb infusion should not be confused with the internal or undiluted topical use of concentrated Monarda essential oil. Correct botanical identification, preparation, dose, health history, pregnancy or breastfeeding status, allergies and medicines should all be considered before therapeutic use.

The Autumn Apothecary. An Herbalist's Approach to Seasonal Immunity

Thu, 24 Sep 2026 12:07:01 GMT

Herbs, Broths, and Small Rituals for Resilience as the Days Grow Shorter.

Autumn has a way of sending us back to the kitchen. The kettle goes on more often, soup becomes a proper meal again, and ginger, cinnamon, and a bubbling pot start to feel particularly inviting.

It's also a lovely time to think about seasonal immunity. Herbal traditions have long made room for this kind of preparation — nourishing the body, tending digestion, and building resilience before winter really arrives.

So what belongs in an autumn apothecary, and how do we turn it into something useful, delicious, and easy to make?

Immunity Begins Where We Meet the World

Think of immunity as a living terrain — not a wall to be defended, but the whole inner landscape where the body meets everything outside it. Skin, the lining of our airways, our gut and its resident microbes: these are the meeting points, the places where the exchange between us and the world actually happens.

Behind these meeting points sits a whole network of immune cells and lymphatic tissue, quietly recognising threats, tolerating harmless visitors, remembering past encounters, and settling inflammation once the job is done. That takes nourishment, energy, and rest — good food, real rest, and a bit of seasonal attention give this whole terrain what it needs to do its work well.

Herbal support for immunity really works in two directions. Some herbs tend the terrain itself — the deep, slow-building foundation the immune response arises from. Others act more directly on resistance, waking up the innate immune cells that meet a threat head-on. A well-stocked autumn apothecary makes room for both.

Which Herbs Belong in the Autumn Apothecary?

Different herbs bring different strengths. Some tend the terrain itself, some sharpen innate resistance, and others belong more in the soup pot or the cup than in a formula at all.

Digestive bitters — tending the terrain

Gentian, dandelion root, and artichoke leaf are the traditional digestive repertoire — used to wake up the appetite and ease digestive discomfort. This matters more than it might seem: a good deal of immune tissue lives along the gut lining, so looking after digestion is really looking after terrain.

For an easy kitchen version, reach for chicory, rocket, and radicchio. A small handful alongside a meal, dressed with olive oil and lemon, brings that bitter note right onto the plate.

Strengthening tonics — building reserves

Astragalus, or huang qi, holds a central place in Chinese herbal tradition for strengthening qi and supporting the body's protective energy, or Wei Qi. Like the bitters above, it works on terrain rather than on any one immune cell — it belongs to the slower rhythm of replenishment, not quick fixes.

Panax ginseng is a classic tonic for fatigue and weakness, and rhodiola is traditionally reached for during stretches of stress and exhaustion. Their role here is supporting resilience when daily demands are taking their toll — purposeful herbs rather than something everyone needs together, and a good tonic still leaves room for rest.

The familiar seasonal plants — waking up resistance

Echinacea, elderberry, and garlic work differently from the herbs above — they act more directly on the innate immune response itself, the first-responder cells that meet a threat head-on. This is the group most people reach for once something's already going around, rather than as a slow daily habit.

Echinacea sits among the more medicinal preparations, while cooked elderberries and garlic offer an easy, everyday connection to the kitchen. A pot of elderberry cordial, garlic tossed into meals, a cupboard stocked with the essentials — these are what make the tradition tangible. Each has its own character and purpose, so there's no need to throw everything into one jar.

The wider herbal repertoire

The broader herbal tradition also includes cleavers, calendula, violet, burdock, and red clover for lymphatic and alterative support; dandelion root and milk thistle for the liver; and nettle leaf and dandelion leaf for fluid balance — all, again, terrain-level support rather than direct resistance. These describe particular traditional roles rather than a shopping list — which ones belong in your own routine depends on what you actually need them for.

Colourful plants and everyday aromatics

Bilberries, grapes, and green tea add further colour and variety to a plant-rich diet, while rosemary, turmeric, and chamomile offer easy, familiar ways to bring herbs into daily life. Rosemary tucked around roasting vegetables, turmeric stirred into a meal, a cup of chamomile at the end of the day — the home apothecary can start with things you already enjoy.

Warming spices — small quantities, plenty of character

Spices have always lived comfortably between the kitchen and the apothecary. Their warmth and digestive ease make them natural companions to nourishing roots, berries, and broths.

Cinnamon brings a sweet warmth and pairs beautifully with elderberries and ginger. Ceylon cinnamon is the gentler choice if you're using it often.
Clove is intensely aromatic — one or two whole cloves give a pot of berries real depth, so a little goes a long way.
Ginger is the kitchen staple with the longest résumé: warming, settling, and wonderful in both broth and fruit drinks.
Nutmeg and allspice round out a preparation gently, easing digestion without overpowering anything else in the pot.
Star anise adds a distinctive sweet anise note and a traditional digestive role — just make sure you're using genuine Chinese star anise from a good supplier, since the Japanese variety isn't edible.

Their real value is in combination — one brings pungency, another sweetness, another depth — building a preparation good enough to want to make again.

Into the Kitchen

A useful apothecary doesn't need twenty jars. Start with garlic, fresh ginger, a few culinary mushrooms, some bitter salad leaves, a handful of warming spices, honey, and food-grade dried black elderberries. These three preparations give you somewhere to begin.

1. Autumn Mushroom and Ginger Broth

Inspired by Chinese dietary therapy. A nourishing broth to build into your week — add beans, lentils, tofu, or chicken if you'd like something more substantial. Makes about four servings.

Ingredients

150 g fresh shiitake mushrooms, sliced
1 onion, chopped
2 carrots, sliced
3 garlic cloves, sliced
15 g fresh ginger, sliced
1 litre low-salt vegetable or chicken stock
2 spring onions, sliced
A handful of leafy greens
Optional: cooked beans, lentils, tofu, or chicken

Method

Place the mushrooms, onion, carrots, garlic, and ginger in a saucepan with the stock. Bring to the boil, then simmer gently for 30–40 minutes, until everything is tender and the mushrooms are cooked through.

Add the greens, spring onions, and any cooked extras for the last few minutes, just to heat through. Remove the ginger slices if you'd rather not eat them.

Serve in a generous bowl — there's no special time for this one, lunch works beautifully. If astragalus is already part of your own herbal routine, it's a lovely addition here.

2. Spiced Elderberry Cordial

A small, alcohol-free preparation inspired by the fruit rob tradition. Dark berries, fragrant spices, and a little honey make a rich, comforting autumn drink.

Ingredients

30 g food-grade dried black elderberries (Sambucus nigra)
350 ml water
5 g fresh ginger, sliced
1 small Ceylon cinnamon stick
1 whole clove
2 allspice berries
Optional: a small pinch of grated nutmeg
50 g honey

Method

Pick over the berries and remove any stalks. Put the berries, water, and spices into a saucepan, bring to the boil, and let it bubble gently for about 10 minutes, then simmer for another 15, topping up with a splash of water if the pan looks dry.

Strain through a fine sieve or muslin, without pressing the seeds through. Measure the liquid — you want around 200 ml, so simmer it down a little further or top up with hot water as needed. Stir the honey into the warm liquid.

This makes about 230–250 ml. For an adult serving, stir a tablespoon into a mug of warm water and adjust to taste. Keeps well in the fridge for a couple of days, or freeze it in small portions for later. Elderberries should always be cooked — raw berries, stems, and leaves aren't for eating.

An optional brandy finish

For an adult version, stir 30 ml brandy into the finished batch of spiced elderberry cordial once it has cooled. This gives the preparation a richer flavour that pairs beautifully with cinnamon, clove and ginger. Dilute a tablespoon in warm water for serving.

3. An Elderberry Honey-and-Vinegar Drink

Honey and vinegar have a long history together in preparations known as oxymels. There's an Irish thread here too: Tadhg Ó Cuinn's 1415 Materia Medica records a simple honey-and-vinegar oxymel, and its entry on elder describes a related preparation using the root bark. This kitchen version, using the cooked berries above, is a gentle modern echo of that older tradition.

For one adult serving

1 tablespoon of the cooked elderberry cordial, above
1 teaspoon cider vinegar
100–150 ml warm water
A little extra honey, if you'd like it sweeter

Stir together and drink freshly made — gently sweet and tart, so adjust the water to taste. Leave the vinegar out if it doesn't sit well with you.

Make It a Rhythm You Enjoy

The best autumn routine is one you'll actually want to repeat. Keep ginger by the kettle. Make enough broth to freeze a few portions. Put bitter greens on the shopping list. Let an earlier evening occasionally become an earlier night.

Seasonal immune support grows out of ordinary, repeated attention — to nourishment, rest, and resilience. The home apothecary just gives those habits some flavour, fragrance, and a welcome place in everyday life.

Disclaimer

This article is for general information and shares traditional herbal approaches to seasonal wellbeing. It does not replace individual medical advice. Before using medicinal herbs, seek professional guidance if you take medication, have an autoimmune condition, take immunosuppressants, are pregnant or breastfeeding, or are choosing remedies for children. Follow preparation and storage instructions carefully. Honey is unsuitable for babies under one year, and recipes containing alcohol are for adults who can safely consume it.

References

Bone, K. and Mills, S. (2013). Principles and Practice of Phytotherapy: Modern Herbal Medicine. 2nd ed. Churchill Livingstone Elsevier.

Hoffmann, D. (2003). Medical Herbalism: The Science and Practice of Herbal Medicine. Healing Arts Press.

World Health Organization (1999). WHO Monographs on Selected Medicinal Plants. Volume 1. Geneva: WHO.

European Medicines Agency. Echinaceae purpureae herba. https://www.ema.europa.eu/en/medicines/herbal/echinaceae-purpureae-herba

European Medicines Agency (2019). Gentian root: Summary for the public. EMA/836995/2018. https://www.ema.europa.eu/en/documents/herbal-summary/gentian-root-summary-public_en.pdf

European Medicines Agency. Cynarae folium. https://www.ema.europa.eu/en/medicines/herbal/cynarae-folium

European Medicines Agency. Ginseng radix. https://www.ema.europa.eu/en/medicines/herbal/ginseng-radix

European Medicines Agency. European Union herbal monograph on Rhodiola rosea L., rhizoma et radix. Revision 1. https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-rhodiola-rosea-l-rhizoma-et-radix-revision-1_en.pdf

National Center for Complementary and Integrative Health. Astragalus. https://www.nccih.nih.gov/health/astragalus

National Center for Complementary and Integrative Health. Elderberry. https://www.nccih.nih.gov/health/elderberry

National Center for Complementary and Integrative Health. Cinnamon. https://www.nccih.nih.gov/health/cinnamon

National Center for Complementary and Integrative Health. The Common Cold and Complementary Health Approaches. https://www.nccih.nih.gov/health/providers/digest/the-common-cold-and-complementary-health-approaches

National Institutes of Health, Office of Dietary Supplements. Dietary Supplements for Immune Function and Infectious Diseases: Fact Sheet for Health Professionals. https://ods.od.nih.gov/factsheets/ImmuneFunction/

Ó Cuinn, T. An Irish Materia Medica. “Sambucus,” subsection 238. CELT, University College Cork. https://celt.ucc.ie/published/G600005/text268.html

An Irish Materia Medica. Accompanying Latin source material, “Accetum, oxiren, oxiriun,” subsection 9. CELT, University College Cork. https://celt.ucc.ie/published/G600006/text331.html

University of Minnesota Extension (2026). Elderberries the safe way. https://extension.umn.edu/about/our-stories/news/cottage-food-connection/elderberries-the-safe-way

Food Safety Authority of Ireland. Storing food safely. https://www.fsai.ie/consumer-advice/food-safety-and-hygiene/storage

Health Canada (2004). Health Canada advises consumers not to ingest teas or health products containing star anise unless it is identified as Chinese star anise. https://www.canada.ca/en/news/archive/2004/06/health-canada-advises-consumers-not-ingest-teas-health-products-containing-star-anise-unless-identified-chinese-star-anise.html

Uric Acid: More Than Gout. Part 1

Wed, 23 Sep 2026 09:22:47 GMT

Why this familiar blood marker may tell us more about metabolism, kidney function and inflammation than we once thought.

Uric acid is usually discussed in one context: gout . A blood test shows that uric acid is high, dietary purines are blamed, and the conversation quickly turns to red meat and alcohol.

Recent research into urate metabolism is revealing a much more complex picture. Uric acid sits at the meeting point of cellular energy metabolism, fructose processing, kidney function, intestinal clearance and innate immunity . And while persistently high uric acid can eventually lead to painful crystal deposition in the joints, the concentration in the blood is only one part of the story. So why does uric acid rise — and why does it cause inflammation in some people but not others?

First, what exactly is uric acid?

Uric acid is the final product of purine metabolism in humans. Purines are essential molecules found within DNA, RNA and cellular energy systems. They come partly from food, but they are also continually produced and recycled as our own cells turnover.

During purine breakdown we see: hypoxanthine → xanthine → uric acid. The final steps are controlled by the enzyme xanthine oxidase . This means uric acid itself is not abnormal. It is produced every day as part of normal human metabolism. In its soluble form, urate also contributes to antioxidant activity within the bloodstream. The problem develops when production and elimination fall out of balance.

High uric acid is often a clearance problem

The old explanation for gout focused heavily on eating too many purine-rich foods. Diet certainly plays a big role, but modern research places much greater emphasis on how the body handles urate after it has been produced .

The kidneys are responsible for most urate elimination. Rather than simply filtering uric acid into the urine, the kidney continuously filters, reabsorbs and secretes urate through specialised transport proteins. Among the most important are: URAT1 , GLUT9 and ABCG2 . Changes in these transporters — whether through genetics, kidney disease, medicines or metabolic dysfunction — can significantly alter serum urate. This helps explain why two people eating similar diets can have very different uric acid levels.

The intestine is part of the uric-acid story too

For years, uric-acid management was considered predominantly a kidney problem. We now know that approximately one-third of urate elimination occurs outside the kidneys , with the intestine representing the major extra-renal route.

The transporter ABCG2 helps move urate from the circulation into the intestinal lumen. From there, the intestinal microbiome may participate in its further metabolism. Recent research suggests that some gut bacteria may influence urate handling directly, while microbial metabolites may also alter expression of intestinal transporters such as ABCG2.

This does not yet mean that dysbiosis can be diagnosed as a cause of gout or that probiotics can be prescribed as urate-lowering therapy. But the gut–urate relationship is becoming an increasingly interesting area of research.

Then there is fructose

One of the most interesting developments in uric-acid research has been the connection with fructose metabolism . Fructose is metabolised differently from glucose.

When large amounts of fructose are rapidly processed in the liver, fructokinase uses ATP to convert fructose into fructose-1-phosphate. With a high fructose load, this process can transiently deplete cellular ATP. The resulting pathway looks like this:

Fructose → rapid ATP consumption → AMP breakdown → IMP → hypoxanthine → xanthine → uric acid

In other words, fructose can stimulate uric-acid production without providing dietary purines at all. This is one reason why sugar-sweetened drinks and high intakes of added sugars deserve particular attention when looking at elevated uric acid.

It also helps explain why hyperuricaemia frequently travels alongside insulin resistance, central obesity, fatty liver, raised triglycerides and metabolic syndrome .

Uric acid begins to look less like an isolated “gout marker” and more like part of a wider metabolic picture.

Alcohol affects more than dietary purines

Alcohol can also influence uric acid through several pathways. Ethanol metabolism alters hepatic energy metabolism and can increase lactate production, while renal urate excretion may also be reduced.

Beer adds another factor because it can provide both alcohol and purine-containing compounds derived from yeast.

So the relationship between alcohol and gout cannot be explained simply by saying that alcoholic drinks “contain purines”. The metabolic effect matters too.

Why doesn't everyone with high uric acid develop gout?

This is one of the most important questions. Many people have asymptomatic hyperuricaemia for years and never experience a gout attack. Elevated urate is therefore not the same thing as gout.

Gout develops when monosodium urate begins to crystallise within tissues. The approximate saturation point of urate in physiological conditions is around 6.8 mg/dL, or approximately 404 µmol/L , although crystal formation is also influenced by the local tissue environment.

Peripheral joints are particularly susceptible partly because lower temperatures favour crystallisation. But even the presence of crystals does not necessarily produce an immediate inflammatory attack. And this is where immunology becomes fascinating.

A gout attack is an immune reaction

The intense inflammation of gout is not simply caused by sharp crystals mechanically damaging the joint. The immune system recognises monosodium urate crystals as a danger signal.

Macrophages and other innate immune cells take up the crystals, producing intracellular stress signals that activate a molecular complex called the NLRP3 inflammasome.

Activation of NLRP3 leads to production of the inflammatory cytokine interleukin-1 beta — IL-1β .

IL-1β then drives the recruitment of large numbers of neutrophils into the joint. The inflammatory sequence can be simplified as:

Monosodium urate crystals → macrophage activation → NLRP3 inflammasome → IL-1β → neutrophil recruitment → acute inflammation

The result is the characteristic sudden onset of heat, redness, swelling and severe pain. Interestingly, newer work in immunometabolism suggests that crystal load alone does not fully explain why attacks occur. The metabolic state of macrophages and neutrophils, previous immune activation and the local joint environment may all influence whether deposited crystals remain relatively quiet or trigger a full inflammatory flare.

The inflammation can also switch itself off

Gout has another unusual feature. An untreated attack can eventually resolve even though urate crystals may still remain within the joint. Research suggests that neutrophils, macrophages, regulatory immune cells and specialised pro-resolving pathways participate in actively switching off the inflammatory response.

This means gout is not simply a story of inflammation being turned on . It is also a story of whether the immune system can successfully turn that inflammation off. That distinction may become increasingly important as researchers explore new therapeutic strategies.

Does an over-reactive immune response mean autoimmunity?

This is an important distinction. Gout itself is considered primarily an autoinflammatory disease , meaning that the inflammatory response is driven largely by the innate immune system — particularly macrophages, neutrophils and inflammatory signalling pathways such as NLRP3 and IL-1β — rather than by the autoantibodies or autoreactive T cells that characterise classic autoimmune diseases.

However, innate and adaptive immunity do not operate as completely separate systems. Dysregulation of innate immunity can influence adaptive immune responses, and many inflammatory diseases sit somewhere along a continuum between predominantly autoinflammatory and predominantly autoimmune mechanisms.

More recent research also suggests that repeated exposure to urate crystals may leave innate immune cells in a more responsive or “trained” state even between attacks, although the clinical implications of this are still being investigated.

For this reason, an unusually strong or persistent inflammatory picture should not automatically be labelled as autoimmunity, but it may justify looking more carefully for a coexisting autoimmune or inflammatory disorder when the clinical pattern suggests one — for example, persistent joint swelling between gout attacks, symmetrical small-joint inflammation, prolonged morning stiffness, psoriasis or dactylitis, inflammatory back pain, uveitis, Raynaud phenomenon, sicca symptoms, unexplained rashes or other systemic features.

In other words, an over-reactive innate immune response does not prove autoimmunity — but it may be one clue within a broader picture of immune dysregulation.

Crystals are not the same as tophi

Monosodium urate crystals may accumulate within joints and surrounding tissues. A tophus , however, is not simply an individual crystal.

Tophi are organised deposits containing large quantities of urate crystals surrounded by inflammatory and connective-tissue responses. Over time, persistent crystal deposition and repeated inflammation can contribute to:

cartilage damage
bone erosions
chronic synovitis
restricted mobility
joint deformity

What does diet really do?

Diet matters, but probably not in the simplistic way it is often presented. A very restrictive “low-purine diet” is not supported as a universal solution. Current NICE guidance notes that evidence is insufficient to recommend one specific diet that reliably prevents gout flares or lowers serum urate, and instead recommends a healthy balanced diet alongside management of excess weight and excessive alcohol consumption.

From a metabolic perspective, several areas deserve particular attention:

excessive sugar-sweetened beverages and added fructose
excessive alcohol
obesity and insulin resistance
dehydration
rapid weight loss and prolonged fasting
kidney function
medicines that alter renal urate handling

Purine-rich foods remain relevant, but they form only one part of a much larger physiological picture.

What about treatment?

For established gout, the aim is not simply to stop an acute attack. Long-term treatment seeks to reduce serum urate sufficiently for existing crystals eventually to dissolve and further deposition to stop.

NICE currently recommends a treat-to-target strategy, generally aiming for serum urate below 360 µmol/L (6 mg/dL) , with a lower target below 300 µmol/L (5 mg/dL) considered in more severe disease such as tophaceous or chronic gout.

Medicines such as allopurinol and febuxostat reduce uric-acid production by inhibiting xanthine oxidase. Other therapeutic approaches can alter urate excretion.

But research is increasingly opening additional questions:

Could intestinal urate transport be manipulated?
Could the microbiome influence meaningful urate clearance?
Could inflammatory activation through NLRP3 be moderated independently of serum uric acid?
And could metabolic interventions aimed at fructose handling and insulin resistance reduce the physiological drive towards hyperuricaemia?

Key Takeaways

Uric acid is a normal product of human metabolism, not inherently a toxin.
Hyperuricaemia develops when urate production exceeds the body's ability to eliminate it.
The kidneys remain central, but intestinal elimination and ABCG2-mediated transport are increasingly recognised as important contributors.
High fructose exposure can increase uric-acid production through ATP depletion and accelerated purine breakdown.
Elevated uric acid is frequently associated with wider metabolic dysfunction, including insulin resistance, obesity and kidney disease.
Gout occurs when monosodium urate crystals form and provoke an innate immune response involving NLRP3, IL-1β and neutrophils .
And perhaps most importantly: high uric acid, urate crystals and an acute gout attack are related — but they are not the same biological event.

Understanding that distinction gives us a much clearer picture of where prevention and treatment may eventually intervene.

Disclaimer

This article is for educational and informational purposes only and does not constitute medical advice, diagnosis or treatment.

Joint pain, swelling and redness can have causes other than gout, including joint infection, and require appropriate clinical assessment. An elevated serum urate result alone does not establish a diagnosis of gout.

People with gout, kidney disease, cardiovascular disease or other medical conditions, and those taking prescribed medicines, should discuss dietary changes, supplements or herbal medicines with an appropriately qualified healthcare professional. Prescribed urate-lowering or anti-inflammatory medicines should not be started, stopped or altered without medical guidance.

Herbal and nutritional approaches discussed in Wildberry Clinic's Research in Focus series are considered within an integrative clinical framework and are not substitutes for appropriate medical investigation or treatment.

References

1. Chung S, Kim GH. Urate Transporters in the Kidney: What Clinicians Need to Know. Electrolyte & Blood Pressure. 2021;19(1):1–9. doi:10.5049/EBP.2021.19.1.1.

2. Kim SH, Shin J, Son HE, Kang DH. Role of urate transporters in the kidneys and intestine in uric acid homeostasis. Kidney Research and Clinical Practice. 2026;45(3):296–313. doi:10.23876/j.krcp.24.321.

3. Jamnik J, Rehman S, Blanco Mejia S, de Souza RJ, Khan TA, Leiter LA, Wolever TMS, Kendall CWC, Jenkins DJA, Sievenpiper JL. Fructose intake and risk of gout and hyperuricemia: a systematic review and meta-analysis of prospective cohort studies. BMJ Open. 2016;6(10). doi:10.1136/bmjopen-2016-013191.

4. Caliceti C, Calabria D, Roda A, Cicero AFG. Fructose Intake, Serum Uric Acid, and Cardiometabolic Disorders: A Critical Review. Nutrients. 2017;9(4):395. doi:10.3390/nu9040395.

5. National Institute for Health and Care Excellence (NICE). Gout: diagnosis and management. NICE Guideline NG219. London: NICE; 2022. Published 9 June 2022.

6. Poulsen R, Dalbeth N. Gout and NLRP3 Inflammasome Biology. Arthritis & Rheumatology. 2025;77(10):1317–1326. doi:10.1002/art.43215.

7. Galozzi P, Bindoli S, Doria A, Oliviero F, Sfriso P. Autoinflammatory Features in Gouty Arthritis. Journal of Clinical Medicine. 2021;10(9):1880. doi:10.3390/jcm10091880.

8. Masters SL, Simon A, Aksentijevich I, Kastner DL. Horror autoinflammaticus: the molecular pathophysiology of autoinflammatory disease. Annual Review of Immunology. 2009;27:621–668. doi:10.1146/annurev.immunol.25.022106.141627.

9. Wang K, Li J, Li J, Zeng F, Li S, Chen P, Xiong H. Spatiotemporal immune gradients in gout: immune response-driven activation of the NLRP3–IL-1β axis and its transition to trained immunity. Frontiers in Immunology. 2026;17:1776479. doi:10.3389/fimmu.2026.1776479.

Coming Next

Can medicinal plants influence uric-acid metabolism?

We will look at the research on botanical compounds affecting xanthine oxidase, urate transporters, the NLRP3 inflammasome and intestinal urate clearance — and separate plausible mechanisms from traditional claims.

MEN’S HEALTH SERIES. Male Fertility: Is There a Gut–Testis Axis?

Mon, 21 Sep 2026 09:53:41 GMT

Male fertility is usually discussed in terms of hormones, sperm count and reproductive anatomy. But emerging research suggests the gut may also be part of the picture.

A 2026 prospective cohort study looked at the gut microbiota in men with non-obstructive azoospermia (NOA) and asked whether microbiome patterns were associated with spermatogenic capacity and with the success of sperm retrieval during microdissection testicular sperm extraction, or micro-TESE.

The study included 39 men with azoospermia: 14 with obstructive azoospermia and 25 with non-obstructive azoospermia. The researchers identified distinct microbial patterns between the groups and, importantly, differences within the NOA group according to whether sperm could successfully be retrieved from the testes. The authors described these findings as exploratory and stressed that they require validation in larger cohorts.

This does not prove that the gut microbiome determines sperm production. Instead it raises an intriguing question: Could the intestinal microbiome influence the biological environment in which spermatogenesis takes place?

What is the gut–testis axis?

The concept of a gut–testis axis describes the possibility that the intestinal microbiome communicates with the male reproductive system through immune, metabolic and hormonal pathways.

Gut bacteria do far more than simply help digest food. They produce metabolites, interact with the immune system, influence intestinal barrier integrity and participate in metabolic and endocrine signalling.

The emerging model is therefore best understood as a chain of connected physiological effects:

microbiome → inflammation → oxidative stress → metabolic signalling → hormones → testicular environment → sperm production.

1. Microbiome

Changes in the composition and diversity of the gut microbiome can alter the metabolites produced in the intestine and affect the integrity of the gut barrier. Human research in men with non-obstructive azoospermia has already identified differences in microbial composition and microbial metabolic pathways compared with controls.

2. Inflammation

If intestinal barrier function becomes impaired, microbial products may gain greater access to the circulation and stimulate systemic immune activity. The testes, however, require a tightly regulated immune environment for normal sperm development. Developing germ cells are partly protected by the blood–testis barrier , and persistent inflammatory signalling may therefore influence the environment in which spermatogenesis occurs.

3. Oxidative stress

Inflammation and metabolic dysfunction can increase the production of reactive oxygen species.

Sperm are particularly vulnerable to oxidative damage because their membranes contain high concentrations of polyunsaturated fatty acids and their intrinsic antioxidant defences are relatively limited. Excessive oxidative stress may affect:

sperm membranes
mitochondrial function
motility
DNA integrity

A large meta-analysis has found significantly higher markers of oxidative stress and lower antioxidant capacity in seminal plasma from infertile men compared with controls.

4. Metabolic signalling

The microbiome also influences glucose regulation, lipid metabolism, bile-acid signalling and the production of metabolites such as short-chain fatty acids. If dysbiosis occurs alongside central obesity, insulin resistance or poor metabolic health, inflammatory and oxidative stress may increase further. This matters because the metabolic environment also influences reproductive endocrine function.

5. Hormonal signalling

Sperm production is controlled through the hypothalamic–pituitary–testicular axis , involving hormones including GnRH, LH, FSH and testosterone. The 2023 human microbiome study found associations between specific microbial patterns and clinical parameters including testosterone, FSH and BMI.

Although t his does not tell us whether microbial changes altered hormone signalling, or hormonal changes affected the microbiome, or whether another metabolic factor influenced both, nonetheless it does reinforce the idea that the two systems are interconnected.

6. The testicular environment

The testes need a carefully controlled combination of hormonal signalling, nutrient availability, immune tolerance, vascular supply and oxidative balance .

Sertoli cells support developing germ cells, while Leydig cells produce testosterone. Both operate within this wider physiological environment. Changes in inflammation, oxidative stress, metabolism or endocrine signalling may therefore affect the conditions required for normal spermatogenesis.

7. Sperm production

If several of these disturbances occur together, the eventual result may be impaired spermatogenesis, poorer sperm quality or reduced reproductive capacity.

This does not mean that gut dysbiosis automatically causes infertility. It means that the microbiome may be one component of a wider physiological network influencing male reproductive function.

What have human studies found?

The 2026 study is particularly interesting because it did not simply compare fertile and infertile men. It compared men whose azoospermia resulted from an obstruction with men whose testes were failing to produce adequate sperm.

Compared with obstructive azoospermia, men with NOA showed differences in microbial composition, including reduced Bacteroidota and increased Proteobacteria. Within the NOA group itself, microbiome profiles also differed according to whether sperm could ultimately be retrieved during micro-TESE.

Earlier human work points in the same direction. A 2023 study using shotgun metagenomic sequencing found significant differences in gut microbial diversity and composition in men with NOA compared with healthy controls. Differences were also seen in microbial metabolic pathways, and some bacterial patterns were associated with testosterone, FSH and BMI.

Again, association does not prove causation, but taken together these studies suggest that severe male reproductive dysfunction may coexist with measurable changes in the intestinal ecosystem.

It may not only be the gut

Another developing area is the male reproductive microbiome itself. Microorganisms have been identified within semen and other parts of the reproductive tract, and altered microbial communities have been associated with impaired semen parameters and reproductive inflammation.

Rather than thinking about one isolated “fertility microbiome”, we may ultimately need to consider communication between the intestinal microbiome, systemic immune environment and reproductive tract microbiome . Sperm production does not occur in biological isolation.

What does this mean clinically?

The microbiome should not become another simplistic explanation for male infertility. Infertility can arise from genetic abnormalities, endocrine disorders, testicular injury, varicocele, infection, medication effects, environmental exposures, metabolic disease and many other causes. A man with impaired fertility therefore still requires an appropriate reproductive and medical assessment, but the emerging gut–testis research suggests that broader questions may also be relevant:

How is his digestion?
Are gastrointestinal symptoms persistent?
What is his metabolic health like?
Is insulin resistance or central adiposity present?
How is he sleeping?
Is chronic stress affecting endocrine or metabolic function?
Is there a wider inflammatory or oxidative burden?

This does not replace conventional fertility investigation. It adds another layer to it.

How can herbal medicine fit into the gut–testis picture?

If the gut–testis axis is part of male reproductive health, treatment should not focus on sperm in isolation. The aim is not simply to increase sperm count , but to improve the wider physiological environment in which spermatogenesis takes place. This means looking at the individual as a whole — gut function, inflammation, oxidative balance, metabolism, stress and hormonal signalling — and selecting herbs according to the pattern that is actually present.

Herbal medicine can then be used to address the systems that appear most relevant in that individual case.

If digestive symptoms or signs of dysbiosis are present, we may consider herbs such as Cichorium intybus for its prebiotic support, or Althaea officinalis where the intestinal mucosa appears irritated or sensitive. Chicory-derived inulin-type fructans have been shown in human trials and meta-analysis to increase Bifidobacterium abundance, although these findings relate to gut ecology rather than fertility itself.

When oxidative stress is part of the picture, Camellia sinensis and Punica granatum may be considered for their polyphenol-rich antioxidant and anti-inflammatory actions.

Metabolic dysfunction may call for a different emphasis, with herbs such as Cinnamomum spp. or Gynostemma pentaphyllum selected to support glucose regulation and insulin sensitivity. Human clinical work with Gynostemma, for example, has shown improvements in glycaemia and insulin resistance in people with type 2 diabetes, although this evidence is metabolic rather than fertility-specific.

Where chronic stress, fatigue or poor recovery are affecting the wider picture, restorative and adaptogenic herbs such as Withania somnifera, Eleutherococcus senticosus or Panax ginseng may be considered.

Panax ginseng is particularly interesting in male fertility. In Traditional Chinese Medicine it has long been used within individualised formulas where reproductive weakness occurs alongside fatigue, depletion or reduced vitality. Modern research has begun to provide a physiological explanation for some of this traditional use. A randomized clinical trial in infertile men with varicocele reported improvements in several semen parameters with Korean red ginseng, while reviews suggest possible actions involving oxidative stress, inflammation and spermatogenic signalling. However, systematic review evidence remains limited and heterogeneous.

Withania somnifera has also been studied directly in male infertility. A systematic review found promising improvements in semen parameters, reproductive hormones and oxidative-stress markers, but the authors emphasised that the number and quality of available clinical trials were insufficient for firm conclusions.

The important point is that these herbs are not chosen simply because a patient has “low sperm count”. They are selected according to the wider physiological pattern that may be interfering with normal reproductive function.

Diet and the microbiome

Diet is one of the major influences on the intestinal microbial environment. A varied diet rich in vegetables, legumes, whole grains, berries, nuts, seeds and other sources of fermentable fibre and plant polyphenols provides substrates that support microbial diversity and microbial metabolism.

The dietary pattern may also influence male reproductive health more directly. A 2024 systematic review involving 2,032 men found that six of ten included studies reported a positive association between greater adherence to a Mediterranean-style diet and semen quality, particularly measures such as sperm concentration and motility.

A subsequent systematic review and meta-analysis involving 2,558 men also found positive associations between Mediterranean-diet adherence and several semen parameters, although evidence for pregnancy and assisted-reproduction outcomes remains considerably less certain.

The practical message is therefore not to search for one supposedly “fertility-enhancing” food.

It is to build a dietary environment rich in:

plant diversity
fermentable fibre
polyphenols
healthy fats
whole foods

It is also addressing metabolic factors such as central obesity, insulin resistance, excessive alcohol intake, smoking, poor sleep and sedentary behaviour. The objective is to create an intestinal and metabolic environment that supports normal reproductive physiology .

What about probiotics?

This is an area of growing interest. Early studies suggest that selected probiotics and synbiotics may influence oxidative stress, inflammatory signalling and some semen parameters. But evidence remains preliminary. Different trials use different bacterial strains, doses and treatment periods, and an improvement in semen analysis does not necessarily mean improved conception or live-birth rates.

For now, probiotics are better viewed as a potentially useful tool in selected individuals rather than as an established treatment for male infertility.

The Clinical Insight

We have traditionally thought about male fertility largely through the reproductive system:

testes → hormones → sperm

The emerging research suggests a much broader network:

microbiome → inflammation → oxidative stress → metabolic signalling → hormones → testicular environment → sperm production

We are still at the beginning of understanding this relationship. The current evidence does not show that gut dysbiosis causes azoospermia, nor that altering the microbiome can reliably restore sperm production.

The finding that men with non-obstructive azoospermia have distinct gut microbial patterns — and that those patterns may even differ according to whether sperm can be retrieved from the testes — suggests that the gut–testis axis deserves much closer attention . Male fertility may prove to be another example of something we repeatedly observe in human physiology:

an organ rarely functions in isolation from the systems around it.

Wildberry Clinic | Men’s Health Series

Clinical herbal medicine grounded in science and individualised care.

This article is for educational purposes and does not replace individual medical or fertility assessment.

References

Huang IS, Bregente CJB, Lin TP, et al. Gut microbiota signatures associated with spermatogenic capacity and sperm retrieval outcomes in non-obstructive azoospermia. Journal of Assisted Reproduction and Genetics. 2026. doi:10.1007/s10815-026-04002-0.
Cao Y, Wang H, Jin Z, et al. Characterization of Non-Obstructive Azoospermia in Men Using Gut Microbial Profiling. Journal of Clinical Medicine. 2023;12(2):701. doi:10.3390/jcm12020701.
Huang C, et al. Is male infertility associated with increased oxidative stress in seminal plasma? A meta-analysis. Meta-analysis of oxidative and antioxidant markers in infertile men.
Piera-Jordan CÁ, Prieto Huecas L, Serrano De La Cruz Delgado V, et al. Influence of the Mediterranean diet on seminal quality — a systematic review. Frontiers in Nutrition. 2024;11:1287864. doi:10.3389/fnut.2024.1287864.
Mediterranean Diet, Semen Quality, and Medically Assisted Reproductive Outcomes in the Male Population: A Systematic Review and Meta-Analysis. 2025.
Nagy DU, et al. Effect of chicory-derived inulin-type fructans on abundance of Bifidobacterium and on bowel function: a systematic review with meta-analyses. Critical Reviews in Food Science and Nutrition. 2023;63(33):12018–12035. doi:10.1080/10408398.2022.2098246.
Durg S, Shivaram SB, Bavage S. Withania somnifera in male infertility: an evidence-based systematic review and meta-analysis. Phytomedicine. 2018;50:247–256. doi:10.1016/j.phymed.2017.11.011.
Park HJ, Choe S, Park NC. Effects of Korean red ginseng on semen parameters in male infertility patients: a randomized, placebo-controlled, double-blind clinical study. Chinese Journal of Integrative Medicine. 2016;22(7):490–495. doi:10.1007/s11655-015-2139-9.
Ginseng for Improving Semen Quality Parameters: A Systematic Review. Review of clinical trials of ginseng in healthy and infertile men.
Zhou SH, Deng YF, Weng ZW, et al. Traditional Chinese Medicine as a Remedy for Male Infertility: A Review. World Journal of Men's Health. 2019;37(2):175–185.
Huyen VTT, et al. Antidiabetic effect of Gynostemma pentaphyllum tea in randomly assigned type 2 diabetic patients. Hormone and Metabolic Research. 2010.

Tea, Part Three : Beyond The Teapot

Sun, 20 Sep 2026 06:47:31 GMT

How fermentation, the microbiome and the skin continue the chemistry of tea.

Tea is not finished when it leaves the teapot. Its compounds continue to change—first through fermentation, then through digestion and the activity of our intestinal microorganisms. Some of the resulting metabolites may eventually influence tissues far beyond the digestive tract, including the blood vessels, immune system and skin.

In this final part of our tea series, we follow Camellia sinensis beyond the familiar infusion: into kombucha and post-fermented tea, through the microbiome and, finally, into modern dermatology and cosmetic formulation.

When tea becomes kombucha

Kombucha begins with an infusion of tea, usually black or green, to which sugar and a culture of yeasts and bacteria are added. The floating layer traditionally called a “tea mushroom” is not a mushroom. It is a cellulose-rich structure created by the microbial community—a symbiotic culture of bacteria and yeasts, commonly shortened to SCOBY.

During fermentation, yeasts break sucrose into simpler sugars and produce small amounts of ethanol and carbon dioxide. Acetic-acid bacteria then convert much of the ethanol into organic acids. The drink becomes sharper, less sweet and chemically more complex.

Its final composition depends on the original tea, the microorganisms within the culture, the quantity of sugar, temperature, oxygen exposure and length of fermentation. Two drinks sold under the same name may therefore be quite different preparations. [1]

What fermentation changes

Fermentation does not simply preserve tea or add bacteria to it - it remodels the drink. Microbial enzymes act on compounds already present in the infusion. Some larger polyphenols are broken into smaller forms, some compounds are released from bound forms, and others are altered or gradually degraded. The result may contain a different balance of polyphenols—and potentially different biological activity—from the original tea.

Fermentation time matters: a younger kombucha generally retains more sugar and tastes softer, while a longer fermentation is usually more acidic and less sweet, but it is not necessarily more medicinal. With prolonged fermentation, desirable tea compounds may also begin to deteriorate.

Kombucha is therefore best understood as transformed tea. It retains characteristics inherited from the original leaf while acquiring organic acids, microbial metabolites and, in an unpasteurised product, living microorganisms.

Is kombucha probiotic?

Possibly—but not automatically. A probiotic is not simply any living microorganism. It is a particular strain, present in an adequate quantity, with a demonstrated health benefit. Kombucha may contain living yeasts, lactic-acid bacteria and acetic-acid bacteria, but their identity and abundance vary between cultures and finished products. Pasteurised kombucha may contain few or no viable organisms.

The beverage may nevertheless retain useful products of fermentation even when living microbes are absent. These include organic acids, transformed polyphenols and microbial metabolites, sometimes described as postbiotic compounds.

Kombucha is consequently more complex than “tea with probiotics.” Its activity arises from the interaction between the original plant, the fermenting culture and the chemistry produced by fermentation.

Tea and the intestinal microbiome

The relationship between tea and the microbiome is reciprocal. Not all tea polyphenols are absorbed in the small intestine. A considerable proportion travels onwards to the colon, where intestinal microbes break larger molecules into smaller metabolites. Some of these metabolites may be more readily absorbed and may possess biological activity of their own.

At the same time, tea compounds can influence the intestinal environment. Research is examining their effects on microbial composition, intestinal-barrier integrity, inflammatory signalling and the substances produced by gut bacteria.

This has been described as a component–microbiota–metabolite–host relationship: tea affects the microbes, the microbes transform the tea, and the resulting compounds interact with the person consuming it. [2]

The effect will not be identical in everyone. Each person brings a different microbial ecosystem to the encounter, meaning that two people may transform—and respond to—the same tea differently.

Green-tea and black-tea kombucha are not identical

Green and black tea come from the same plant, but their leaves have already undergone very different transformations before kombucha fermentation begins. They therefore provide the microorganisms with different starting materials and produce kombuchas with different chemical and potentially therapeutic emphases.

Green tea is heated soon after harvesting, limiting oxidation and preserving more of the leaf’s original catechins. These smaller polyphenols—particularly EGCG—have been studied in relation to glucose regulation, vascular function, inflammatory signalling, cellular protection and the skin’s response to ultraviolet damage.

Green-tea kombucha retains this more catechin-led character. Fermentation may release some polyphenols from bound forms and convert others into smaller metabolites, while adding organic acids and microbial products.

For this reason, green-tea kombucha is particularly relevant where the interest is metabolic health, post-meal glucose regulation, low-grade metabolic inflammation, vascular protection or the relationship between oxidative stress and skin ageing . The most relevant recent human studies examining kombucha, inflammation and excess body weight have used green tea.

Black tea is deliberately allowed to oxidise during manufacture. During this process, many of its original catechins combine to form larger polyphenols known as theaflavins and thearubigins. These compounds create black tea’s amber-red colour, deeper flavour and characteristic astringency.

Black-tea kombucha therefore begins with fewer unchanged catechins but more oxidised and polymerised tea compounds. During fermentation, these larger polyphenols may be transformed further, while gallic acid and other smaller phenolic compounds can become more available.

This makes black-tea kombucha particularly interesting in relation to digestive and microbial ecology, mucosal immunity and the metabolism of larger tea polyphenols by intestinal bacteria.

Research into black tea itself has shown changes in intestinal bacterial populations, including increases in certain butyrate-producing bacteria in people with lower mucosal immune activity. Butyrate nourishes cells lining the colon and participates in intestinal-barrier and immune regulation. [3]

Green tea may therefore be preferable when the desired emphasis is metabolic regulation, inflammatory balance, vascular protection or skin ageing. Black tea may offer a more appropriate polyphenol foundation when the interest is mucosal health, microbial metabolism and the production of short-chain fatty acids.

For general microbiome support, however, neither can be described as universally superior. The quality and quantity of tea, the microorganisms within the culture, fermentation time, residual sugar and storage conditions may influence the finished drink as much as the colour of the starting leaf.

Comparative research confirms that green- and black-tea kombuchas retain different phenolic profiles and display different patterns of antioxidant, antibacterial and cellular activity. The starting tea can also influence the yeast community that develops during fermentation. The SCOBY does not erase the identity of the tea; it transforms two already distinct botanical preparations. [4,5]

Kombucha, insulin, the microbiome and inflammation

Kombucha brings together three biologically active elements: compounds inherited from tea, microorganisms responsible for fermentation, and the new metabolites those organisms produce.

Tea polyphenols can be transformed both during fermentation and later by intestinal bacteria. Organic acids and other fermentation products alter the environment through which the drink passes, while viable microorganisms may interact temporarily with the resident microbiome.

Human research is now beginning to show measurable effects.

In one controlled crossover study, kombucha consumed with a carbohydrate-rich meal reduced the immediate glucose and insulin responses compared with the same meal accompanied by soda water. The glycaemic index of the meal fell from 86 to 68, while its insulin index fell from 85 to 70. The authors proposed that the effect may have involved several elements acting together: organic acids, tea polyphenols, tannins and living microorganisms. [6]

A small study in adults with type 2 diabetes found that 240 ml of kombucha taken daily with dinner for four weeks was associated with a fall in average fasting glucose. Analysis of the drink identified lactic-acid bacteria, acetic-acid bacteria and yeasts, together with lactic and acetic acids. [7]

A larger ten-week study followed 59 adults with excess body weight. Both groups followed the same energy-restricted diet, while one group also drank 200 ml of green-tea kombucha each day.

Kombucha did not produce additional weight loss, but it was associated with a reduction in lipid accumulation product—a marker calculated from waist measurement and blood triglycerides.

Both groups showed reductions in the inflammatory messengers IL-1β and IL-8. However, IL-6 increased in the diet-only group and not in those drinking kombucha, suggesting that green-tea kombucha may have moderated part of the inflammatory response during the intervention.

Changes were also observed in the salivary microbiome. Microbial richness and overall community differences increased in the kombucha group, while the balance between two major bacterial divisions shifted. The oral microbiome is particularly relevant because it forms the first microbial interface between a fermented drink and the body. [8]

A related analysis of the same intervention examined faecal bacteria and blood metabolites. Green-tea kombucha did not completely reconstruct the intestinal microbiome, but bacterial richness increased at genus level within the kombucha group.

The most striking changes appeared in the blood metabolome. Researchers detected a distinct group of metabolites associated with kombucha consumption, including compounds connected with glutathione metabolism and inflammatory regulation. This suggests that kombucha may influence health not simply by introducing bacteria, but by changing the chemical conversation between food, microbes and human metabolism. [9]

A separate controlled study in healthy adults found more modest but still identifiable effects. Four weeks of kombucha consumption altered the abundance of selected intestinal bacteria and enriched several organisms capable of producing short-chain fatty acids. A bacterium present in the kombucha itself was also detected more frequently in those drinking it.

Circulating IL-6, IL-10 and C-reactive protein did not change significantly in this healthy group. This may indicate that effects on inflammatory signalling are more visible when low-grade metabolic inflammation is already present than when inflammatory markers are normal at the outset. [10]

These findings suggest a broader model of kombucha activity. Its effects may arise from tea polyphenols providing substrates for microbial metabolism; fermentation converting plant compounds into different forms; organic acids influencing the digestive environment; microorganisms interacting with resident communities; and the resulting metabolites communicating with intestinal, metabolic and immune pathways.

Kombucha and post-fermented tea are not the same

Kombucha is produced by fermenting a prepared, sweetened tea infusion. Post-fermented teas—such as certain dark teas and mature pu-erh—are transformed while the leaves themselves are being processed and aged.

In post-fermented tea, microorganisms and plant enzymes gradually alter the stored leaf. Its colour darkens, its flavour becomes softer and earthier, and its polyphenol profile changes. Once brewed, it remains a tea infusion rather than a living culture drink.

These teas have a long association with rich meals and digestion in East Asian food culture. Their microbial transformation may alter the availability and metabolism of tea polyphenols, but the process is fundamentally different from fermenting sweetened liquid tea with a SCOBY.

Tea and the skin

The skin is continually exposed to ultraviolet radiation, pollution, inflammation and oxidative stress. Over time, these pressures contribute to uneven pigmentation, impaired barrier function and the breakdown of collagen and elastin.

Green tea has attracted particular interest because it retains a high concentration of catechins, including EGCG. These compounds are being studied for their influence on inflammatory signalling, oxidative damage and the enzymes involved in degrading the skin’s supporting matrix.

In a controlled study, regular consumption of a green-tea drink improved the skin’s response to ultraviolet exposure, increased microcirculation and produced measurable changes in skin hydration, density and elasticity. Tea does not replace topical sun protection, but the study demonstrated that dietary polyphenols can contribute to the skin’s physiological response to environmental stress. [11]

Tea also has potential when applied in a properly formulated cosmetic product.

A split-face, double-blind clinical study tested green-tea extract carried in microscopic chitosan particles. After eight weeks, the treated skin showed improvements in elasticity, dullness and the appearance of wrinkles compared with the placebo-treated side. [12]

These delivery systems matter. Catechins are chemically delicate: light, oxygen, heat and unsuitable pH can cause them to deteriorate. A well-designed serum or cream must protect the extract, deliver it effectively and remain stable throughout its intended life.

Where tea belongs in cosmetic formulation

Green-tea extracts are particularly interesting for skin exposed to sunlight, pollution, redness and premature ageing. Their antioxidant and inflammation-modulating actions also make them relevant to blemish-prone or excessively oily skin.

Black tea contains fewer unchanged catechins but more theaflavins, thearubigins and other compounds created during leaf oxidation. These provide a different antioxidant and astringent profile and may be valuable in formulations intended to tone, refresh and support environmentally stressed skin.

White tea is often promoted as the most delicate cosmetic tea. Its true value depends less on its pale colour or prestige than on the quality, concentration and preservation of the extract.

Fermented-tea and kombucha-derived ingredients are also appearing in modern cosmetics. Their activity may arise from tea polyphenols, organic acids, fermentation metabolites and bacterial cellulose.

Bacterial cellulose is especially interesting as a cosmetic and dermatological material. It can hold large quantities of water and form close contact with the skin, making it a possible vehicle for masks, dressings and the controlled delivery of active compounds.

A cosmetic-grade fermented ingredient is filtered, characterised, preserved and tested for stability and safety. Its value lies not merely in the word “fermented,” but in knowing precisely what the fermentation has produced and how those compounds behave within the finished formulation.

Can tea support healthier skin ageing?

Ageing cannot be reduced to a single molecule or antioxidant. It involves accumulated ultraviolet damage, chronic low-grade inflammation, changes in circulation, altered cellular repair and the gradual loss of collagen, elasticity and barrier resilience.

Tea is interesting because it touches several of these processes at once. Its polyphenols may help regulate oxidative and inflammatory stress. Some influence enzymes involved in collagen degradation, while others affect pigmentation, microcirculation and the cellular response to ultraviolet exposure. Tea compounds may also be transformed by the intestinal microbiome into smaller metabolites, creating a possible link between regular tea consumption, systemic metabolism and the condition of the skin. [13]

Fermentation adds another dimension. By changing the form of plant polyphenols and producing microbial metabolites, it may alter which compounds are available to the body and how they interact with the gut–skin axis.

Tea should not be reduced to an “anti-ageing antioxidant.” It is more accurately understood as a complex botanical system capable of interacting with circulation, inflammation, microbial metabolism and tissue protection.

Beyond the teapot

A tea leaf may be steamed, rolled, oxidised, aged, ground or fermented. It may be infused and absorbed—or travel onwards to the colon, where the microbiome performs another stage of transformation. ts compounds may then appear in the circulation as metabolites that no longer resemble those originally present in the leaf. They may interact with intestinal cells, immune signalling, blood vessels and skin. In cosmetic science, extracts from the same plant can be stabilised and delivered directly to the tissues for which they are intended.

This is what makes tea far more than a collection of fashionable antioxidants. Its activity depends on the variety of leaf, the way it is processed, the method of preparation, microbial ecology and the individual receiving it. From leaf, to culture, to microbiome, to skin: tea continues to change—and to teach us—long after the water has been poured.

References

Wang B, Rutherfurd-Markwick K, Zhang XX, Mutukumira AN. Kombucha: Production and Microbiological Research. Foods. 2022;11(21):3456. doi:10.3390/foods11213456.
Yue R, Wen Y, Zhao S, et al. Tea and Digestive System Health: Integrating Gut Microbiota-Involved ADME and Personalized Nutrition for Gastrointestinal Disorders Intervention. Critical Reviews in Food Science and Nutrition. 2026. doi:10.1080/10408398.2026.2684712.
Tomioka R, Tanaka Y, Suzuki M, Ebihara S. The Effects of Black Tea Consumption on Intestinal Microflora: A Randomized Single-Blind, Parallel-Group, Placebo-Controlled Study. Journal of Nutritional Science and Vitaminology. 2023;69(5):326–339. doi:10.3177/jnsv.69.326.
Cardoso RR, Neto RO, Dos Santos D’Almeida CT, et al. Kombuchas from Green and Black Teas Have Different Phenolic Profiles, Which Impact Their Antioxidant Capacities, Antibacterial and Antiproliferative Activities. Food Research International. 2020;128:108782. doi:10.1016/j.foodres.2019.108782.
Gaggìa F, Baffoni L, Galiano M, et al. Kombucha Beverage from Green, Black and Rooibos Teas: A Comparative Study Looking at Microbiology, Chemistry and Antioxidant Activity. Nutrients. 2019;11(1):1. doi:10.3390/nu11010001.
Atkinson FS, Cohen M, Lau K, Brand-Miller JC. Glycemic Index and Insulin Index After a Standard Carbohydrate Meal Consumed with Live Kombucha: A Randomised, Placebo-Controlled, Crossover Trial. Frontiers in Nutrition. 2023;10:1036717. doi:10.3389/fnut.2023.1036717.
Mendelson C, Sparkes S, Merenstein DJ, et al. Kombucha Tea as an Anti-Hyperglycemic Agent in Humans with Diabetes: A Randomized Controlled Pilot Investigation. Frontiers in Nutrition. 2023;10:1190248. doi:10.3389/fnut.2023.1190248.
Fraiz GM, Bonifácio DB, Lacerda UV, et al. Green Tea Kombucha Impacts Inflammation and Salivary Microbiota in Individuals with Excess Body Weight: A Randomized Controlled Trial. Nutrients. 2024;16(18):3186. doi:10.3390/nu16183186.
Fraiz GM, Bonifácio DB, Corich V, et al. The Impact of Green Tea Kombucha on the Intestinal Health, Gut Microbiota, and Serum Metabolome of Individuals with Excess Body Weight in a Weight Loss Intervention: A Randomized Controlled Trial. Foods. 2024;13(22):3635. doi:10.3390/foods13223635.
Ecklu-Mensah G, Miller R, Maseng MG, et al. Modulating the Human Gut Microbiome and Health Markers Through Kombucha Consumption: A Controlled Clinical Study. Scientific Reports. 2024;14:31647. doi:10.1038/s41598-024-80281-w.
Heinrich U, Moore CE, de Spirt S, Tronnier H, Stahl W. Green Tea Polyphenols Provide Photoprotection, Increase Microcirculation, and Modulate Skin Properties of Women. Journal of Nutrition. 2011;141(6):1202–1208. doi:10.3945/jn.110.136465.
Wisuitiprot W, Ingkaninan K, Jones S, Waranuch N. Effect of Green Tea Extract Loaded Chitosan Microparticles on Facial Skin: A Split-Face, Double-Blind, Randomized Placebo-Controlled Study. Journal of Cosmetic Dermatology. 2022;21(9):4001–4008. doi:10.1111/jocd.14707.
Singh H, Kamal YT, Pandohee J, et al. Dietary Phytochemicals Alleviate Premature Skin Aging: A Comprehensive Review. Experimental Gerontology. 2025;199:112660. doi:10.1016/j.exger.2024.112660.

Disclaimer

This article is provided for educational purposes and does not replace individual medical advice, diagnosis or treatment. Tea, fermented beverages and concentrated botanical extracts may not be appropriate for everyone. Individual health conditions, pregnancy, medication use, caffeine sensitivity and the composition of a particular product should be considered with an appropriately qualified healthcare practitioner.

Bitters in History — Part Four: From Apothecary to Aperitif

Wed, 16 Sep 2026 16:37:08 GMT

How bitter preparations found a place in the medicine cupboard, at the dinner table and behind the bar.

In an English manuscript held by the Wellcome Collection, a short recipe carries a quietly confident title: “A very good bitter.” Compiled between approximately 1675 and 1800, the book brings together medicines, culinary recipes and household instructions. There is no elaborate introduction to the bitter. Someone thought it worth keeping and wrote it down.

The preparation combines Roman wormwood and chamomile flowers with gentian, cardamoms, cubebs and zedoary, followed by salt of wormwood and horseradish root. These ingredients are to be infused in white wine.

In a few handwritten lines, we encounter the practical world in which such preparations circulated: medicinal plants and apothecary ingredients, knowledge shared between households, and remedies preserved for another occasion.

Beyond these pages, bitters were acquiring new identities. They gained commercial names, distinctive bottles and a place in social life. Some remained medicines. Others were served before or after a meal. A further branch found its purpose behind the bar, where a few dashes could change the character of a cocktail.

Their story became as much about when and why people used them as about the plants they contained.

Wine still had a place

For readers following this series, white wine is a familiar presence. After the fermented preparations of our earlier chapters and the compound medicines represented by Hiera Picra, this manuscript brings us back to an infusion explicitly called a bitter.

Here, the botanicals were steeped in finished wine. The recipe gives no instruction to ferment them with grape must, distil the mixture or add sugar.

Older methods continued alongside newer ones. Wine infusions remained part of the repertoire as other preparations and uses developed. The history of bitters branches through these overlapping practices, each shaped by its ingredients, intended purpose and setting.

The medicinal bitter

One branch remained closely connected with digestive medicine. Bitter preparations were taken to encourage appetite, ease digestive complaints or act as “stomachic” remedies—a historical term for medicines intended to support the stomach and digestion.

Their composition mattered. A preparation centred on gentian differed from one containing purgative ingredients such as aloe or rhubarb. Some formulas were intended to stimulate appetite; others to move the bowels. A shared bitter taste could accompany quite different medicinal purposes.

The elixir tradition extended these ambitions further. A nineteenth-century French manuscript at Wellcome preserves an “Élixir de longue vie” , containing aloes, zedoary, white agaric, gentian, saffron, rhubarb and Venetian theriac.

Alongside the preparation came a story about an exceptionally long-lived Swedish physician. The remedy travelled with a promise: that it might preserve strength and prolong life. The manuscript records the appeal of that promise, although it cannot substantiate the extraordinary longevity attributed to its supposed creator.

The aperitif: bitterness before the meal

At the table, bitterness acquired another role. The aperitif marked the beginning of a meal: a drink associated with awakening the appetite, welcoming guests and making time for conversation before food arrived.

Sweetness, citrus, wine and aromatic herbs could soften or complement bitter flavours. The resulting drink offered a sensory pleasure of its own, while retaining its association with digestion.

France provides a clear example in Suze , launched in 1889, which placed gentian at the centre of its identity. A plant familiar from bitter preparations became the defining flavour of a recognisable aperitif.

Its purpose now included hospitality and anticipation. The occasion mattered as much as the contents of the glass.

The digestif: bitterness after the meal

The digestif belonged to the meal’s closing moments. Served after eating, it carried the expectation of helping a substantial dinner settle. Italian amari —literally “bitters”—became closely associated with this custom, although their uses extended beyond it.

An amaro brought bitterness, sweetness and botanical aromas together in a finished drink. Its particular balance gave it an identity that could become familiar across generations.

Fernet-Branca , created in Milan in 1845, is one enduring example. With a named producer and a recognisable bottle, a bitter preparation could build a reputation far beyond the household or locality in which a recipe circulated.

The connection with digestion remained, but so did the pleasure of lingering. The meal was finished; the conversation continued. The term digestif expresses that customary role and its intended benefit. It does not, by itself, establish a therapeutic effect.

The cocktail bitter: a little changes the whole glass

Behind the bar, bitters became a way of shaping flavour. Concentrated cocktail bitters are generally added in dashes. They season a drink, contributing aroma, bitterness and complexity while altering the impression of sweetness and the balance between other ingredients.

A botanical preparation that might once have been considered a remedy could now serve as one element in a carefully composed drink. Its contribution was measured by what it brought to the glass. In this setting, a small quantity could leave a clear signature.

One word, several purposes

The word bitters came to encompass several overlapping uses:

Medicinal bitters , taken for a therapeutic purpose determined by the formula.
Bitter aperitifs , served before food and traditionally associated with appetite.
Amari and other bitter digestifs , enjoyed after food as part of the meal’s conclusion.
Cocktail bitters , used in small quantities to shape the flavour of mixed drinks.

These roles coexisted. Products could move between the medicine cupboard, the dinner table and the bar as habits and expectations changed. Their names might endure even as the reasons for reaching for them evolved.

From remedy to ritual

The handwritten “very good bitter” preserves a small moment in this larger history: a preparation someone valued enough to record. Beyond the manuscript, bitter plants found a place in branded bottles, café culture, family customs and cocktail recipes. Their medicinal uses continued, while new audiences came to know them through taste and occasion.

From the household remedy to the drink offered at the table, bitterness had become both a medicinal idea and a cultural taste.

Disclaimer: This article explores the history and cultural uses of bitters. Historical medicinal claims do not establish modern safety or efficacy. Alcoholic aperitifs and digestifs are not recommended as treatments for digestive symptoms.

References

Wellcome Collection. English Recipe Book, 17th–18th century. c.1675–1800. Manuscript MS.7721. Includes “A very good bitter”; see digitised image 19. Catalogue and digitised manuscript .
Wellcome Collection. Elixir for a long life / Élixir de longue vie. Nineteenth century. Manuscript MS.9289. French handwritten recipe documenting an elixir and its attributed Swedish origins. Manuscript catalogue .
European Medicines Agency, Committee on Herbal Medicinal Products. European Union herbal monograph on Gentiana lutea L., radix. Adopted 20 November 2018. EMA/HMPC/607861/2017. Documents traditional medicinal use for temporary loss of appetite and mild digestive complaints. Monograph .
Fernet-Branca. Un amaro che farà storia. Producer’s account of Fernet-Branca’s origins in Milan in 1845 and subsequent development. Company history .
Suze. Suze Story. Producer’s account of the gentian aperitif and its history from 1889. Brand history .
Angostura. Cocktails and Recipes. Examples of concentrated bitters used in small quantities to flavour cocktails and food. Recipes and uses .

Research In Focus. Rheumatoid Arthritis and Coeliac Disease: Could They Share the Same Hidden Immune Mechanism?

Tue, 15 Sep 2026 19:38:06 GMT

How protein-modifying enzymes may connect B cells, T cells and autoantibodies in two very different autoimmune diseases.

Two Very Different Diseases — and a Surprising Similarity

Coeliac disease primarily damages the lining of the small intestine. Rheumatoid arthritis primarily affects the joints, although it can also have wider effects throughout the body. At first, the two diseases may appear to have little in common. Yet both are autoimmune diseases involving an interaction between genetic susceptibility, specialised immune cells, protein-modifying enzymes and antibodies directed against the body’s own molecules.

In a newly published research paper, Professor Ludvig Sollid asks whether the two diseases might share a deeper underlying mechanism: could an enzyme become physically associated with the protein it is modifying, allowing the adaptive immune system to respond to the enzyme and its substrate as one interconnected package?

The idea is well developed in coeliac disease. Sollid explores whether a comparable process could also occur in rheumatoid arthritis.

First, What Are B Cells and T Cells?

B cells and T cells are specialised white blood cells belonging to the adaptive immune response —the part of the immune system that learns to recognise particular targets and can retain a memory of them.

B cells recognise specific substances through receptors on their surface. They can capture these substances, take them inside and display small fragments for other immune cells to inspect. When appropriately activated, some B cells develop into plasma cells that produce antibodies.

Helper T cells examine the fragments displayed by B cells and other antigen-presenting cells. If a helper T cell recognises one of these fragments, it can provide signals that help the B cell survive, multiply and produce antibodies.

This carefully controlled collaboration normally helps the body mount a precise response to infection. In autoimmune disease, however, the conversation can become misdirected, allowing immune cells that recognise the body’s own proteins to participate in a sustained inflammatory response.

Why Do Protein-Modifying Enzymes Matter?

Proteins are assembled from chains of amino acids, but their structure is not necessarily fixed when that assembly is complete. Cells can subsequently make small chemical changes to them. These are called post-translational modifications .

Such modifications are normal and essential. They help regulate how proteins behave, where they are located and how they interact with other molecules. However, a modification can also alter the way a protein fragment is recognised by the immune system.

In coeliac disease and rheumatoid arthritis, two different families of enzymes perform two different modifications:

In coeliac disease, transglutaminase 2 , or TG2, can deamidate gluten peptides.
In rheumatoid arthritis, peptidylarginine deiminase enzymes , particularly PAD2 and PAD4, can citrullinate proteins.

Neither enzyme is inherently harmful. The question is what happens when the modified protein, the modifying enzyme and susceptible immune cells meet within the wrong immunological context.

The Better-Understood Model: Coeliac Disease

Gluten contains many glutamine-rich protein sequences. Some gluten fragments resist complete digestion and reach the lining of the small intestine. TG2 can modify selected glutamine residues within these fragments through a process called deamidation . This converts glutamine into glutamate and gives the peptide a more negative electrical charge.

In people carrying susceptible HLA molecules—particularly HLA-DQ2 or HLA-DQ8—the deamidated gluten peptides fit especially well into the HLA binding groove. The HLA molecule then displays the gluten fragment to a gluten-reactive CD4 helper T cell. The sequence can be simplified as:

Gluten peptide → modification by TG2 → stronger binding to susceptible HLA → presentation to a helper T cell → adaptive immune activation

Possessing HLA-DQ2 or HLA-DQ8 does not mean that a person will inevitably develop coeliac disease. These molecules create susceptibility, but additional biological and environmental conditions are required.

How Does the Immune Response Turn Against TG2?

A central puzzle in coeliac disease is why the immune system produces antibodies against TG2, one of the body’s own enzymes, when the initiating antigen is dietary gluten. Sollid’s model provides a possible answer.

While TG2 is acting upon gluten, the enzyme and gluten peptide can form an enzyme–substrate complex . This means that the enzyme and the material it is modifying are temporarily—or sometimes more stably—physically connected. A B cell whose surface receptor recognises TG2 can bind and capture the entire TG2–gluten complex. It then takes the complex inside, processes it and displays a gluten-derived fragment on an HLA-DQ molecule.

A gluten-reactive helper T cell recognises the displayed gluten fragment and supplies activating signals to the B cell. The B cell can then multiply and develop into antibody-producing plasma cells. Crucially, the two immune cells do not need to recognise the same component:

The B cell recognises TG2 .
The T cell recognises gluten .
The TG2–gluten complex connects them .

This creates a route through which a T-cell response against a foreign dietary protein can provide help to B cells that recognise one of the body’s own enzymes. Those B cells may subsequently produce the anti-TG2 antibodies detected in coeliac blood tests.

Do Anti-TG2 Antibodies Cause the Intestinal Damage?

Anti-TG2 antibodies bind predominantly to extracellular and cell-surface TG2. They are produced in abundance within the coeliac intestinal mucosa and can become deposited around basement membranes, connective tissue and small blood vessels.

They are extremely useful markers of active coeliac disease. However, it would be an oversimplification to say that these antibodies independently attack and destroy the intestinal villi.

Much of the intestinal injury is thought to arise from the wider cellular immune response, including gluten-reactive helper T cells, inflammatory signalling and intraepithelial lymphocytes that damage stressed intestinal epithelial cells.

Anti-TG2 antibodies may still influence the disease by interfering with TG2-related functions such as tissue organisation, epithelial adhesion, repair and blood-vessel formation. Their exact contribution to tissue injury in humans remains less firmly established than their diagnostic importance.

The Rheumatoid Arthritis Side of the Story

Rheumatoid arthritis is a chronic autoimmune disease in which the immune system contributes to persistent inflammation within the joints. The synovium—the tissue lining the joint—becomes inflamed and thickened, and the continuing immune response can eventually damage cartilage and bone.

As in coeliac disease, however, the process involves more than antibodies simply selecting a normal tissue and attacking it. It includes genetic susceptibility, protein modification, antigen presentation and communication between B cells and helper T cells.

Citrullination: A Different Type of Protein Modification

The protein modification most closely associated with rheumatoid arthritis is called citrullination .

It is carried out by a family of enzymes known as peptidylarginine deiminases , or PAD enzymes. PAD2 and PAD4 are particularly relevant to rheumatoid arthritis.

These enzymes convert an amino acid called arginine into another amino acid called citrulline . This removes a positive electrical charge and can alter the protein’s shape, interactions and immune visibility.

Citrullination is not inherently abnormal. It occurs during normal physiological processes and may increase during inflammation, cellular stress and cell death. The presence of citrullinated proteins alone is therefore not sufficient to cause rheumatoid arthritis. The problem arises when the adaptive immune system begins to recognise certain citrullinated proteins as targets.

Antibodies Against Citrullinated Proteins

Many people with rheumatoid arthritis produce anti-citrullinated protein antibodies , commonly abbreviated to ACPAs . These antibodies can recognise citrullinated forms of several proteins rather than one single joint-specific molecule. ACPA testing is clinically useful because these antibodies are strongly associated with rheumatoid arthritis, although not every person with rheumatoid arthritis has them.

Some people with rheumatoid arthritis also produce antibodies against the PAD enzymes themselves—particularly PAD4 and, in some cases, PAD2. This creates the same unusual combination seen in coeliac disease:

antibodies against proteins that have been modified;
and antibodies against the enzymes responsible for producing the modification.

Sollid asks whether an enzyme–substrate complex could connect these two immune responses.

Could a PAD–Protein Complex Connect B Cells and T Cells?

While a PAD enzyme is citrullinating a protein, the enzyme and its substrate must come into close physical contact. Sollid proposes that this association may create a PAD–substrate complex that can be captured by a B cell.

A B cell whose receptor recognises PAD could bind the whole complex and take it inside. The B cell could then process the captured material and display a citrullinated peptide from the accompanying protein on an HLA molecule.

A helper T cell that recognises that citrullinated peptide could provide activating signals to the PAD-reactive B cell. The B cell could then multiply and develop into plasma cells producing antibodies against PAD.

The proposed sequence is: PAD enzyme binds a protein → PAD citrullinates the protein → a PAD-reactive B cell captures the complex → the B cell displays a citrullinated peptide → a peptide-reactive helper T cell activates the B cell → anti-PAD antibodies are produced

As in coeliac disease, the B cell and T cell would not necessarily recognise the same part of the complex:

The B cell recognises the PAD enzyme .
The T cell recognises a peptide from the associated protein .
The PAD–protein complex brings the two targets together .

This is the central mechanistic parallel proposed in the paper.

The Role of HLA in Rheumatoid Arthritis

HLA molecules act as molecular display platforms. They hold small protein fragments on the surface of antigen-presenting cells so that T cells can examine them.

In rheumatoid arthritis, particular variants of HLA-DRB1 are among the strongest inherited risk factors. Several of these variants share a similar amino-acid sequence and are therefore described as carrying the shared epitope .

Certain RA-associated HLA-DR molecules can present particular citrullinated peptides to helper T cells. Citrullination may change how a peptide fits within the HLA binding groove or how it is recognised by a T-cell receptor.

This provides another parallel:

In coeliac disease, susceptible HLA-DQ molecules present deamidated gluten peptides.
In rheumatoid arthritis, susceptible HLA-DR molecules can present selected citrullinated peptides.

However, carrying one of these HLA variants does not mean that disease is inevitable. Genetic susceptibility creates an opportunity for a particular immune response; it does not determine that the response must occur.

What Is Established—and What Remains a Hypothesis?

Several individual components of the rheumatoid-arthritis model are well established:

PAD2 and PAD4 can citrullinate proteins.
ACPAs are strongly associated with a major subgroup of rheumatoid arthritis.
Some people with rheumatoid arthritis develop antibodies against PAD enzymes.
Particular HLA-DRB1 variants increase susceptibility to rheumatoid arthritis.
Citrullinated peptides can be presented to and recognised by T cells.
B cells play important roles in rheumatoid arthritis, extending beyond antibody production to antigen presentation and immune signalling.

What is not yet established is that PAD–substrate complexes connect all these components in people in precisely the way that TG2–gluten complexes appear to do in coeliac disease.

The coeliac mechanism is supported by direct studies of disease-relevant B cells, T cells, TG2 and gluten. The rheumatoid-arthritis model is an informed mechanistic proposal built from several converging observations, but important links in the complete chain still require direct demonstration.

Is There a Foreign Trigger in Rheumatoid Arthritis?

In coeliac disease, the external antigen is known: gluten. Sollid’s comparison raises a provocative question. Could a foreign protein—perhaps originating outside the body—become citrullinated by a PAD enzyme and provide the T-cell stimulus that helps activate PAD-reactive B cells?

At present, no equivalent of gluten has been established for rheumatoid arthritis. Environmental and microbial influences are being investigated, but the paper’s argument should not be interpreted as proof that one particular food, bacterium or infection causes the disease.

The possibility of an unidentified foreign T-cell antigen is therefore a research hypothesis, not a clinical conclusion.

Why Compare These Two Diseases?

Coeliac disease and rheumatoid arthritis were not paired because they affect the same organ or because one necessarily causes the other. They were compared because they share an unusually specific set of immunological features:

Strong associations with particular HLA class II variants.
Immune recognition of post-translationally modified peptides.
Autoantibodies against the enzymes that create those modifications.
Important interactions between B cells and helper T cells.
The possibility that an enzyme–substrate complex connects otherwise separate immune targets.

Coeliac disease supplies the better-understood model. Rheumatoid arthritis provides a plausible—but not yet proven—parallel.

The significance of the paper lies not in claiming that the diseases are identical, but in asking whether the immune system may be making the same type of organisational error in two different biological settings.

Paper: Sollid LM. One mechanism, two diseases: Involvement of enzyme–substrate complexes in the pathogenesis of celiac disease and rheumatoid arthritis. Proceedings of the National Academy of Sciences. 2026;123(37).

MEN’S HEALTH SERIES : Prostate Health - What Changes With Age?

Tue, 15 Sep 2026 09:19:04 GMT

Understanding prostate enlargement, urinary symptoms, hormonal influences and supportive care

As men age, changes in urinary function become increasingly common. But these changes should not automatically be blamed on the prostate. Symptoms such as needing to urinate more often, getting up several times at night, urgency, hesitancy, a weaker urinary stream, difficulty starting, or feeling that the bladder has not emptied completely are collectively known as lower urinary tract symptoms, or LUTS .

For many years, these symptoms were often treated almost synonymously with an enlarged prostate. We now understand that the picture is more complex. The prostate, bladder and lower urinary tract function as part of the same system, and symptoms may arise from prostate enlargement, bladder dysfunction, metabolic disease, infection, neurological conditions, medication effects or a combination of factors.

What actually changes with age?

The prostate commonly increases in size as men get older. The underlying tissue change is known as benign prostatic hyperplasia, or BPH , and when this results in an increase in prostate size it is often described as benign prostatic enlargement.

Importantly, prostate size does not always correspond to symptom severity. Some men have a relatively large prostate and few difficulties, while others experience troublesome urinary symptoms with only modest enlargement. What matters clinically is not simply whether the prostate is enlarged, but whether that enlargement is contributing to obstruction of urinary flow and how well the bladder itself is functioning.

Testosterone, DHT and prostate growth

The prostate is an androgen-sensitive organ. Within prostate tissue, testosterone can be converted by the enzyme 5-alpha-reductase into dihydrotestosterone, or DHT .

DHT is a more potent androgen that plays an important role in normal male development and continues to act in androgen-sensitive tissues such as the prostate, skin and hair follicles.

In the prostate, local DHT signalling helps maintain tissue growth and function. In genetically susceptible men, DHT can also contribute to male-pattern hair loss by gradually miniaturising scalp hair follicles, particularly around the temples and crown.

Because DHT binds strongly to androgen receptors, reducing its formation can be useful in some men with benign prostate enlargement. This is why 5-alpha-reductase inhibitor medicines are sometimes prescribed: lowering DHT within the prostate can gradually reduce prostate volume and help reduce the risk of progression in appropriately selected patients. But prostate ageing is not simply a story of “too much testosterone” or “too much DHT”.

And what about oestrogen?

Testosterone can also be converted by the enzyme aromatase into estradiol . This conversion occurs particularly in adipose tissue, so men with greater adiposity may have increased aromatisation.

Estradiol is not an unwanted hormone in men. It contributes to bone health, metabolic function and reproductive physiology. Within the prostate, however, its effects depend partly on which oestrogen receptor pathways are active .

Two important receptors are ERα and ERβ . ERα is expressed predominantly within the stromal compartment of the prostate, whereas ERβ is more prominent within epithelial cells. Experimental evidence suggests that ERα signalling can favour proliferative and inflammatory processes, while ERβ is more commonly associated with differentiation, growth restraint and anti-proliferative signalling.

The biology is not as simple as “ERα bad and ERβ good”, but the balance between these pathways appears to matter . Which receptor pathway predominates depends on more than the amount of circulating estradiol. It is influenced by the relative expression of ERα and ERβ, local hormone metabolism, receptor availability, inflammation, growth factors and the signalling environment within the tissue.

Diet may also influence oestrogen-receptor signalling both directly and indirectly. Phytoestrogens such as genistein show preferential activity at ERβ, while body composition, inflammation, local hormone metabolism and gut-microbial conversion of dietary compounds can all influence which receptor pathways predominate.

With ageing, testosterone often declines while oestrogenic activity may be relatively preserved, particularly where increased adiposity and metabolic dysfunction are present. This change in androgen–oestrogen balance , together with altered receptor signalling, may contribute to the hormonal environment in which prostate enlargement develops.

Can we influence ERβ signalling?

This is a particularly interesting area of emerging research. Genistein , an isoflavone found predominantly in soy, has long been known to interact more strongly with ERβ than ERα. But research suggests that its effects may extend beyond simply binding to an existing receptor.

In prostate cancer cell models, genistein at physiologically relevant concentrations was shown to reduce methylation of the ERβ gene promoter , resulting in increased ERβ gene expression and greater ERβ protein production. The researchers also observed increased ERβ activation and nuclear signalling, while blocking ERβ reduced the anti-proliferative effects of genistein.

In other words, genistein may not simply interact preferentially with ERβ — it may, under certain experimental conditions, help restore the expression of the receptor itself through an epigenetic mechanism . This is an intriguing finding because it suggests that dietary compounds may influence hormonal signalling not only through hormone concentrations or receptor binding, but also through regulation of receptor expression .

However, these findings come primarily from prostate cancer cell models. They should not be interpreted as evidence that genistein has been clinically proven to reverse BPH or to “switch” ERα signalling into ERβ signalling in men. They do, nevertheless, provide an interesting mechanistic rationale for investigating soy isoflavones and ERβ-supportive signalling in the ageing prostate.

The metabolic connection

Hormonal signalling cannot be separated from metabolic health. Obesity, insulin resistance, hypertension and chronic low-grade inflammation are all associated with male LUTS and BPH.

Adipose tissue is also an important site of aromatase activity , linking increasing visceral fat directly to changes in androgen–oestrogen balance. So when we assess prostate symptoms, it is useful to look beyond the gland itself and consider the wider picture:

body composition
blood pressure
glucose regulation
physical activity
sleep
cardiovascular healthmedications

This does not mean that improving metabolic health will automatically reverse prostate enlargement. It means that prostate symptoms frequently occur within a much broader physiological environment — and that environment is worth addressing.

How do we manage this?

The first step is to establish what is actually driving the symptoms . Assessment may include a detailed symptom history, medication review, urinalysis, prostate examination, PSA testing where appropriate, and further investigation if there are concerns about obstruction, infection, urinary retention, renal impairment or malignancy.

The current EAU approach to male LUTS also increasingly emphasises a broader symptom-based assessment rather than assuming that all urinary symptoms originate from prostate enlargement alone. For uncomplicated symptoms, management may include lifestyle measures, herbal medicine and conventional treatment where required.

Herbal medicine

Herbal treatment are individualised to the presentation rather than relying on a generic “prostate formula”. Some of the botanicals we may consider include:

Serenoa repens — Saw palmetto - o ne of the best studied herbal medicines for LUTS associated with BPH.
Urtica dioica radix — Nettle root - t raditionally used for LUTS associated with BPH and particularly useful as part of an individualised formulation where irritative or inflammatory features are present.
Epilobium angustifolium / Epilobium parviflorum — Willowherb - t raditionally used for lower urinary tract symptoms associated with BPH and often considered where urinary irritation is prominent.
Prunus africana — Pygeum - t raditionally used for LUTS related to benign prostate enlargement, including frequency, nocturia and impaired urinary flow.
Cucurbita pepo — Pumpkin seed - t raditionally used for LUTS associated with BPH and overactive bladder symptoms.

Depending on the presentation, the wider formulation may also address inflammation, urinary tract irritation, pelvic circulation, stress physiology and metabolic health .

From a nutritional perspective, soy foods and genistein-containing preparations are particularly interesting because of the emerging ERβ and epigenetic research described above.

The aim is not simply to “shrink the prostate”, it is to understand and support the broader physiology contributing to the symptoms.

Diet and lifestyle

Some very practical changes can make a meaningful difference:

maintain a healthy body weight
improve insulin sensitivity and metabolic health
exercise regularly
reduce prolonged sedentary time
moderate caffeine and alcohol, particularly later in the day
adjust evening fluid intake if nocturia is troublesome
avoid excessive fluid restriction, which may worsen urinary irritation
identify individual bladder irritants
maintain regular bowel function
consider bladder training where urgency and frequency predominate

From a hormonal perspective, reducing excess visceral fat is particularly relevant because adipose tissue is a significant site of aromatisation of testosterone to estradiol .

Dietarily, I would favour a predominantly whole-food pattern rich in vegetables, legumes, whole grains, berries, nuts, seeds, good-quality fats and oily fish, while reducing excessive refined carbohydrate and ultra-processed food intake where metabolic dysfunction is present. Traditional soy foods such as tofu, tempeh and edamame may also provide isoflavones including genistein and daidzein.

And exercise?

Regular physical activity is particularly useful because prostate symptoms frequently coexist with central obesity, insulin resistance, cardiovascular disease and declining muscle mass .

A sensible programme can combine:

resistance exercise to preserve muscle mass and metabolic function
walking or aerobic activity to support cardiovascular fitness and insulin sensitivity
regular movement throughout the day to reduce prolonged sedentary time
pelvic floor and bladder training can also be useful, particularly where urgency, frequency or post-void dribbling are present. Pelvic floor exercises help improve muscular control around the bladder outlet, while bladder training gradually increases the time between voids and can reduce urgency. In men with persistent symptoms, pelvic floor physiotherapy may be helpful, especially where muscle coordination rather than simple weakness is the problem.

Exercise is not a direct treatment for BPH, but it can improve the wider metabolic environment in which urinary symptoms often develop.

Not every urinary symptom means BPH

This distinction is important.

Frequency and urgency may arise from an overactive bladder.
Nocturia can be influenced by evening fluid intake, sleep disorders, diabetes, cardiovascular disease or altered overnight urine production.
A weak urinary stream may result from obstruction, but also from impaired bladder muscle function.
Infection, stones and neurological disorders can produce overlapping symptoms.

So treating every man with urinary symptoms as though he simply has an enlarged prostate risks missing the actual cause.

And what about prostate cancer?

Benign prostate enlargement and prostate cancer are not the same condition , and BPH does not simply turn into cancer. However, some symptoms overlap, which is why persistent or changing urinary symptoms should be appropriately assessed rather than self-treated indefinitely. Symptoms deserving medical review include:

blood in the urine
recurrent urinary infection
urinary retention
significant or persistent pain
rapid deterioration in urinary function
an abnormal prostate examination or concern about prostate cancer

The Clinical Insight

The ageing prostate matters. But the better questions would be:

What is causing the symptoms?
Is there enlargement?
Is there actual obstruction?
How is the bladder functioning?
What is happening hormonally — with testosterone, DHT, aromatisation and oestrogen-receptor signalling?
Could metabolic health, inflammation, medication or another condition be contributing?
And are there features that require further investigation?

Because good prostate care is not simply about treating a gland. It is about understanding the whole urinary, hormonal and metabolic system around it.

Wildberry Clinic | Men’s Health Series

Clinical herbal medicine grounded in science and individualised care.

This article is for educational purposes and does not replace individual medical assessment. New, persistent or worsening urinary symptoms should be appropriately investigated.

References

European Association of Urology. EAU Guidelines on the Management of Non-neurogenic Male Lower Urinary Tract Symptoms. 2026 edition.
National Institute for Health and Care Excellence. Lower urinary tract symptoms in men: management. NICE Clinical Guideline CG97.
Mahmoud AM, Al-Alem U, Ali MM, Bosland MC. Genistein increases estrogen receptor beta expression in prostate cancer via reducing its promoter methylation. Journal of Steroid Biochemistry and Molecular Biology. 2015;152:62–75. doi:10.1016/j.jsbmb.2015.04.018.
Nicholson TM, Ricke WA. Androgens and estrogens in benign prostatic hyperplasia: past, present and future. Differentiation. 2011;82(4–5):184–199.
Novara G, et al. Efficacy and safety of hexanic lipidosterolic extract of Serenoa repens in the treatment of lower urinary tract symptoms due to benign prostatic hyperplasia: systematic review and meta-analysis of randomized controlled trials. European Urology Focus. 2016.
Vela-Navarrete R, et al. Efficacy and safety of a hexanic extract of Serenoa repens for LUTS associated with BPH: systematic review and meta-analysis. BJU International. 2018;122:1049–1065.
European Medicines Agency / HMPC monographs for Serenoa repens, Urtica dioica radix, Epilobium spp., Prunus africana and Cucurbita pepo in lower urinary tract symptoms associated with BPH; summarised in current EAU guidance.

THE HISTORY OF BITTERS Part Three: The Holy Bitter - Hiera Picra and the Medieval Apothecary

Wed, 09 Sep 2026 08:20:01 GMT

How an aloe-based compound bitter travelled from the ancient Mediterranean through Arabic medicine and into the European dispensary

On an Italian apothecary jar made around 1500, two words identify what it was intended to hold: JERA PIGRA. The spelling looks unfamiliar, but the medicine was already ancient. Hiera picra—literally the “Holy Bitter”—had travelled through languages, medical systems and centuries before its name was painted onto that ceramic vessel.

This is where the history of bitters changes. In Egypt, strongly flavoured plants had been carried in medicinal beer and wine without bitterness becoming the organising idea. Greek and Roman medicinal wines brought named herbs, measured proportions and controlled maceration into clearer pharmaceutical form. With Hiera Picra, a dominant bitter substance moved to the centre of the formula: dried aloe juice.

Yet Hiera Picra was not a digestive aperitif in the modern sense, and it was not invented in a medieval monastery. It belonged to the older world of compound medicines and purgation. Its medieval importance lies in survival and transmission: an ancient bitter compound was copied, translated, reformulated, stored by apothecaries and recognised by name even when its exact ingredients changed.

A name older than the jar

Hiera picra joins two Greek words: hiera, meaning sacred or holy, and pikra, meaning bitter. Later Latin and vernacular texts rendered the name in many ways—hiera picra, yera pigra, jera pigra—while Arabic and Persian medical literature preserved related preparations under names such as ayarij or iyaraj. The shifting spelling is not noise around the story; it is evidence of the route the medicine travelled.

The preparation was traditionally associated with the Greco-Roman physician Galen, whose authority shaped European and Middle Eastern medicine for more than a millennium. But the attribution is not straightforward. Historical accounts also connect an earlier version with Themison of Laodicea, a physician active around the turn of the first century BCE and CE. Galen may have celebrated, transmitted or reformulated an older compound rather than invented it outright.

That caution matters. Ancient and medieval medicine frequently attached famous names to formulas in order to establish authority. A recipe called “of Galen” might preserve genuine Galenic material, a later adaptation, or a preparation placed under his name by subsequent compilers. Hiera Picra is best understood not as a single, immovable recipe with one discoverer, but as a durable pharmaceutical identity.

The formula that would not stand still

Early and later accounts repeatedly place aloe at the centre, surrounded by aromatics such as cinnamon, mastic, saffron, spikenard, balsam material and asarum.

The list was never completely fixed. Ingredients disappeared, substitutes entered, and local pharmacopoeias established their own versions. What remained recognisable was the aloe-dominant bitter compound and the name Hiera Picra.

Aloe becomes the bitter foundation

The aloe in Hiera Picra was not the clear, cooling gel now associated with sunburn lotions and drinks. Apothecaries used a concentrated, dried leaf exudate or juice rich in bitter hydroxyanthracene compounds. This material was dark, intensely bitter and strongly laxative. It gave the preparation both its defining taste and its purgative force.

Socotrine aloe was especially prized. The name referred to aloe associated with the island of Socotra, in the Indian Ocean off Yemen and the Horn of Africa. Aloe perryi is native to Socotra and is still known as Socotrine aloe. Medieval and early modern writers treated the Socotrine drug as a high-quality trade material—an imported bitter whose geographical name carried its own promise of potency.

This changed the architecture of the medicine. Hiera Picra was not simply a pleasant wine made medicinal by a scattering of herbs. Aloe dominated, while aromatics complicated its taste and, within historical medical theory, adjusted its action. Cinnamon brought warmth and fragrance; mastic contributed resinous character; saffron, spikenard and balsam materials added colour, scent and prestige. Honey could bind the powders into an electuary and make the preparation less difficult to swallow, but it did not turn it into a sweet medicine. The bitter remained unmistakable.

Here, at last, bitterness was more than one flavour among many. It became the formula’s identity. The medicine announced this in its own name.

From Greek hiera to Arabic ayarij

Hiera Picra did not pass directly from classical Rome into a waiting medieval Europe. Medical knowledge moved through the Byzantine world and through communities working in Greek, Syriac and Arabic. Translators did not merely carry words from one language to another; they created technical vocabularies, compared manuscripts and made old formulas usable in new institutions.

The wider family of medicines called hiera helps us see this process. A study of the Hiera of Archigenes—another compound in the same broad pharmaceutical category—traces close parallels among Greek, Syriac and Arabic texts in the recipe’s name, composition, preparation and dose. Syriac-speaking scholars served as crucial intermediaries, and translators such as Hunayn ibn Ishaq helped establish a consistent Arabic medical terminology. The case is not proof that every version of Hiera Picra followed one identical route, but it shows the infrastructure through which such formulas survived.

In Arabic and Persian traditions, ayarij became a recognised name for compound purgative medicines. Ayarij-e-Faiqra, an aloe-based preparation known in Iranian and Unani medicine, preserves the same basic logic: dried aloe juice as the principal bitter, combined with aromatic materials such as cinnamon, cassia, spikenard, cubeb, rose and terebinth resin. Its ingredients are not identical to every European Hiera Picra. That is precisely the point. Transmission conserved a medicinal pattern while allowing the formula to adapt.

What travelled

What crossed these linguistic and cultural boundaries was not one perfectly frozen recipe. It was a recognisable pharmaceutical idea: a named compound with a dominant bitter aloe base, aromatic correctives, a prepared dosage form and a place within a theory of cleansing and purgation.

The medieval apothecary takes custody

By the Middle Ages, recipes had to do more than survive in learned texts. They had to function in the dispensary. The Antidotarium Nicolai, associated with the medical culture of Salerno and widely used in European pharmacy, helped organise compound medicines into a form that apothecaries could prepare. In a later medieval version used in the Low Countries, three variants appear: Yera Pigra Constantini, Yera Pigra Abbatis and Yera Pigra Galyeni.

Their presence reveals something easily lost when we speak of “the” Hiera Picra. Medieval practitioners recognised multiple hieras and multiple attributions. The Galenic version became the most widely used of the three, but the label did not guarantee a universal ingredient list. Formula and authority were negotiated through manuscripts, local practice and the availability of imported drugs.

Preparation transformed dry commodities into medicine. Ingredients were ground and sieved. In electuary versions, clarified or skimmed honey bound the powders into a thick paste that could be stored in an apothecary jar. Other versions were formed into pills, an obvious advantage for a preparation whose taste was notoriously difficult. The container, label and dosage form now mattered as much as the ingredient list. They allowed a complex compound to be made in advance, kept, identified and dispensed.

A jar inscribed JERA PIGRA therefore represents more than storage. It marks a separation of roles. The physician might diagnose and prescribe; the apothecary maintained ingredients, followed a recognised formula, prepared the compound and supplied it. Hiera Picra had become not merely a mixture but a stock medicine.

Honey, powders and the bitter pill

The dosage form also tells us how bitter medicines were being managed. In an electuary, powdered aloe and aromatics were suspended in honey to produce a sticky preparation. Some apothecary labels used the abbreviation EL for electuarium. The medicine might be taken from a shallow vessel—a “lickpot”—or portioned in another way. Pills reduced direct contact with the taste, although they did not alter the strength of the drug itself.

This is an important departure from the fermented medicines that opened our story. Beer and wine had acted as liquid carriers and extracting media. Hiera Picra could exist as powder, honeyed electuary or pill. Its identity no longer depended on a fermented drink. The bitter compound had become portable across dosage forms.

The recipe continued to contract as well as travel. In some later English practice, the once elaborate mixture was reduced to aloe and cinnamon. Popular speech even reshaped its name into “hikey pikey” or “hickery pickery.” The learned Greek title had entered ordinary commerce, while the contents had become simpler. This is perhaps Hiera Picra’s most striking historical feature: the name proved more stable than the recipe.

A cleansing medicine, not a gentle tonic

Modern readers may hear “bitter” and imagine a small digestive dose before food. Hiera Picra belonged to a different therapeutic framework. In humoral medicine, purging was used to remove matter believed to be obstructing or unbalancing the body. Historical texts assigned the preparation an exceptionally wide range of uses, from digestive and bowel complaints to disorders of the head, liver, joints and uterus. Such lists describe past medical belief; they do not establish effectiveness.

The aloe drug also carried real physiological force. Dried aloe leaf juice stimulates intestinal motility and can cause cramping and diarrhoea. It was historically used to provoke menstruation and, in later periods, in attempts to terminate pregnancy. This is not the same material as purified inner-leaf aloe gel, and it should not be treated as an interchangeable household remedy.

The modern safety distinction sharpens the historical lesson. Hiera Picra was not admired because it was mild. Its bitterness signalled a medicine expected to act strongly, and the aromatics and honey did not make an inherently forceful purgative safe for casual use.

WHY IT MATTERS IN THE HISTORY OF BITTERS

Hiera Picra places a dominant bitter drug at the centre of a named compound.

It shows a formula surviving through translation rather than remaining within one culture.

It moves the bitter preparation beyond fermented drinks into powders, electuaries and pills.

It becomes a standard stock medicine whose label could outlive changes in its recipe.

The Holy Bitter’s legacy

Hiera Picra is not a straight-line ancestor of the modern amaro. Its purpose was purgative, its theoretical world was humoral, and its central aloe drug is far removed from the gentler bittering agents used in many later digestive preparations. Yet it occupies a decisive place in the lineage.

Ancient Egypt had shown that plants could be transformed by medicinal beer and wine. Greece and Rome made herbal wines increasingly explicit, measured and reproducible. Hiera Picra carried the story further: bitterness became the organising feature of a named compound, and the compound acquired a life independent of any single liquid medium, language or fixed formula.

What endured was a pharmaceutical structure—a powerful bitter base, aromatic companions, a prepared dosage form and a memorable name. That structure could be translated, copied, stocked and altered without disappearing. The Holy Bitter belonged to antiquity, but the medieval apothecary gave it a durable material home.

From here, the story moves towards the monastery and the early modern stillhouse, where medicinal wines, distilled waters and elixirs would create new ways of capturing aroma, bitterness and preservation.

Disclaimer

This article explores the history of herbal medicine and is intended for education only. Hiera Picra and related historical preparations should not be recreated or used as medical treatments. Historical use does not establish modern safety, efficacy or an appropriate dose. Dried aloe leaf exudate or juice is not the same as inner-leaf aloe gel and may cause clinically significant adverse effects.

References

van Schinkel M. A Bitter Pill: Residues in two Apothecary Jars with the Inscriptions JERA PIGRA and EL HIRAE PICRAE. The Rijksmuseum Bulletin. 2022;70(2):126–145. DOI

Asade D. La literatura farmacéutica en lengua siríaca, griega y árabe: el caso de la Hierá de Archigénes. Circe de clásicos y modernos. 2018;22(1). DOI

Moein E, Hajimehdipoor H, Toliyat T, Choopani R, Hamzeloo-Moghadam M, et al. Formulation of an aloe-based product according to Iranian traditional medicine and development of its analysis method. DARU Journal of Pharmaceutical Sciences. 2017;25:19. DOI

Nicolaus Salernitanus. Antidotarium. Venice: Nicolas Jenson; 1471. Digitised by McGill University Library and the Medical Heritage Library. Digitised edition

Royal Botanic Gardens, Kew. Aloe perryi Baker. Plants of the World Online. Kew Science

European Medicines Agency. European Union herbal monograph on Aloe barbadensis Mill. and Aloe species, folii succus siccatus. Monograph

Tea, Part Two : Which Tea, When—and Why?

Tue, 08 Sep 2026 17:03:21 GMT

One leaf, many preparations—and a different place for each in daily health.

The question is not simply: Which tea is healthiest? A better question is: What would I like my tea to do—and when?

A brisk black tea at breakfast, a bowl of matcha before concentrated work, a fragrant oolong after lunch and a caffeine-free rooibos in the evening are not interchangeable habits. Each brings a different balance of stimulation, flavour and plant compounds. The way the leaf is grown, harvested and processed changes what reaches the cup—and the way we prepare and drink it changes the experience again.

This is what makes tea so interesting clinically. It is not one ingredient with one effect. It is a family of preparations that can be matched intelligently to the person, the purpose and the time of day.

First, what do we mean by tea?

Green, white, yellow, oolong, black and dark teas all begin with the leaves of Camellia sinensis. Their striking differences are created largely after harvesting: by withering, rolling, heating, oxidation, drying, ageing and, in some dark teas, microbial fermentation.

Matcha also comes from Camellia sinensis. It is a particular Japanese preparation of shade-grown green tea, milled into a fine powder and consumed as the whole suspended leaf rather than as a filtered infusion.

Rooibos belongs in a different botanical family. It is made from the South African plant Aspalathus linearis, contains no caffeine naturally and has its own distinctive chemistry. It may occupy the same place in the cup, but it is not true tea.

This distinction matters. A plant’s name, its processing and the amount actually consumed all shape its physiological effect.

How one leaf becomes many teas

Fresh tea leaves contain caffeine, the amino acid L-theanine and an abundant group of protective plant compounds known as polyphenols. Processing does not simply make the leaf darker. It rearranges its chemistry.

White tea: the least handled

White tea is generally withered and dried with relatively little rolling or deliberate oxidation. Fine examples can be soft, floral and subtly sweet, although mature-leaf white teas may be fuller and more earthy.

Its restrained processing preserves many of the leaf’s original compounds, but this does not make every white tea chemically identical—or automatically low in caffeine. A bud-rich white tea can be surprisingly stimulating. The cultivar, proportion of buds, quantity of leaf and brewing method matter more than colour alone.

Choose white tea when you want delicacy and a slower, quieter cup, not because you assume it is caffeine-free.

Green tea: freshness preserved by heat

To make green tea, the freshly harvested leaf is heated early, limiting the enzymatic oxidation that would otherwise transform its polyphenols. Japanese green teas are commonly steamed; many Chinese green teas are pan-fired. That difference helps create their recognisable characters—from the marine, vegetal notes of sencha to the chestnut warmth of Longjing.

Green tea retains a high proportion of catechins, the best known of which is EGCG. These are often presented as the entire story, but the whole cup is more complex: caffeine, theanine, aroma, dose and the habit of drinking tea all contribute.

Among the major tea families, green tea has some of the most substantial human research. Clinical reviews suggest modest improvements in certain cardiovascular and metabolic markers, including blood lipids, blood pressure or glucose regulation in some populations. “Modest” is important: green tea supports a pattern of care; it does not replace food, movement, sleep or prescribed treatment.

Its most useful place is often very ordinary—an unsweetened daily drink that provides alertness and plant polyphenols without the sugar load of many commercial beverages.

Matcha: the whole green leaf

Matcha begins with tea plants shaded before harvest. The leaves are steamed, dried and refined into tencha; stems and coarse veins are removed before the leaf is milled into a vivid green powder. Because the powder is whisked into water and consumed, matcha delivers the whole leaf rather than only the compounds that diffuse into an infusion.

This creates a concentrated experience. Matcha combines caffeine with L-theanine, a pairing associated with alertness and aspects of attention without necessarily producing the same subjective sharpness as caffeine alone.

A recent synthesis of controlled trials found small-to-moderate benefits for some measures of attention, reaction and mood, although results varied between tests and preparations. A 12-month Japanese trial in older adults found an improvement in social acuity, while its primary global cognitive outcomes did not change significantly.

In practice, matcha is best treated as a purposeful tea rather than an all-day drink: useful before focused work, writing or training, particularly for someone who tolerates caffeine well. The amount of powder matters. A heaped bowl late in the day may be quite different from a lightly prepared morning serving.

Yellow tea: a rare, mellow transformation

Yellow tea is made in a way that resembles green tea, with an additional warm, enclosed stage traditionally called menhuang, or sealed yellowing. During this stage, moisture and heat soften some of the leaf’s greener, sharper character and produce a rounded, mellow infusion.

It is a recognised Chinese tea family, not an aged green tea or a marketing name. Research into the chemical changes created by yellowing is developing, but human clinical evidence is still far smaller than it is for green or black tea. Its value is best understood through its craftsmanship, sensory character and place within a varied tea habit.

Oolong: the widest spectrum

Oolong sits between green and black tea, but “partly oxidised” barely captures its range. The leaves may be bruised, tossed, rolled, rested, roasted and repeatedly shaped. A lightly oxidised oolong can be green, creamy and orchid-like; a darker or roasted oolong may be amber, mineral and almost honeyed.

Small human studies have explored oolong in relation to post-meal metabolism and energy expenditure, but it should not be sold as a weight-loss treatment. Its practical strength is more persuasive: oolong offers complexity without always requiring milk or sugar, withstands repeated short infusions and can make a satisfying bridge between a meal and the rest of the day.

For someone who finds green tea too grassy and black tea too forceful, oolong may be the most enjoyable route into regular tea drinking—and enjoyment is what turns an occasional intervention into a lasting habit.

Black tea: transformed, robust and underestimated

Black tea is allowed to oxidise much more fully before drying. During this process, many of the original catechins combine into larger compounds, including theaflavins and thearubigins, which contribute copper-red colour, briskness and depth.

In China this family is called hong cha, or red tea, a name based on the colour of the liquor. The Western term “black tea” refers to the dark dried leaf. Both names describe the same broad type and are easily confused with Chinese dark, post-fermented tea.

Black tea deserves more attention than it receives in wellness culture. Controlled studies and meta-analyses indicate that it can support vascular function, including the ability of blood vessels to dilate normally.

A 12-week human trial also found changes in selected intestinal bacteria and mucosal immune markers after three cups daily. Tea is not a probiotic, but its polyphenols reach the bowel and may interact with the microbial ecosystem there.

A well-made black tea is therefore more than morning stimulation. Taken without excessive sugar, it can be a practical cardiovascular and dietary ally—especially for people who will never love the taste of green tea.

Dark tea and pu-erh: time and microbes enter the process

Dark teas, or hei cha, undergo microbial post-fermentation. Pu-erh from Yunnan is the best-known example, but the terms are not synonymous: pu-erh is one member of a broader family.

Raw, or sheng, pu-erh changes gradually with age under suitable storage. Ripe, or shou, pu-erh is produced using an accelerated moist-piling process that encourages microbial transformation.

Both can yield earthy, woody or fruit-like infusions, but their production and maturation differ.

Pu-erh is traditionally valued after rich food, and laboratory and clinical research has examined its effects on lipids, glucose metabolism and the gut. Here we must distinguish the cup from the capsule: some positive trials used standardised extracts, which cannot be assumed to have the same dose or effect as an ordinary brew.

For daily use, choose pu-erh for its digestif character, depth and low-sugar ritual. Buy from a knowledgeable source, because fermentation and storage quality are integral to the product—not decorative details.

Rooibos: an evening alternative, not a red tea

Rooibos is native to South Africa. Traditional red rooibos develops its russet colour and sweet, rounded flavour through oxidation, a stage sometimes loosely called fermentation in the tea trade. Green rooibos is dried with less oxidation and tastes fresher and more herbal.

Because rooibos is naturally caffeine-free, it is particularly useful in the evening, for caffeine-sensitive people or as a base for spiced and fruit blends. A small human study in adults at cardiovascular risk found improvements in some lipid and oxidative-stress measures after six cups daily for six weeks. That is interesting, but it should not be translated into a promise that an occasional cup treats cardiovascular disease.

Its real advantage is both simpler and more powerful: rooibos makes it possible to preserve the pleasure and polyphenol-rich ritual of tea when stimulation is not wanted.

The emperor’s cup: China’s most prized teas

There has never been one permanent “most prized tea” in China. Imperial taste changed across the dynasties, and with it the tea that represented perfection. Yet few teas have ever been valued as extravagantly as the Dragon and Phoenix cakes made at Beiyuan in Fujian for the Song court.

These were not loose leaves. Tender spring buds were steamed, carefully processed and compressed in moulds bearing the dragon and phoenix—symbols of imperial authority. The finished cake was broken or shaved, ground to a fine powder and whisked with hot water to produce a pale froth. The quality of the foam, the colour of the liquor, the water and even the bowl became part of an exacting culture of connoisseurship.

The finest Small Dragon cakes were given the title “top-grade dragon tea” by Emperor Renzong. Contemporary writer Ouyang Xiu said that although gold could be obtained, this tea could not. A single cake might be divided among senior officials as an exceptional imperial gift. Tea therefore did more than refresh the emperor: it entered court ceremony, religious observance, diplomacy and patronage. To receive even a fragment was a visible sign of imperial favour.

Emperor Huizong took this connoisseurship still further. He wrote his own treatise on tea and particularly admired a rare pale-leaved tea for the whiteness and delicacy of its foam. One celebrated preparation, “Dragon Cake Surpassing Snow”, was made from the tenderest buds, elaborately wrapped and secured in a case with a silver lock. This was tea as stimulant, sensory art and political symbol at once.

By the Qing dynasty, imperial attention had moved towards loose-leaf teas. Longjing—Dragon Well green tea from the hills around West Lake—became closely associated with the Qianlong Emperor, who visited the region, wrote about tea and helped establish its status at court. The well-known story that he personally designated eighteen bushes as imperial tea is part history and part carefully preserved tradition; what is certain is that imperial patronage transformed Longjing from a distinguished regional tea into a national emblem of refinement.

Today, the title of China’s most precious tea is often given to mother-tree Da Hong Pao , a Wuyi rock oolong from Fujian. In 2005, just 20 grams from the six historic mother bushes sold for 208,000 yuan.

Harvesting from those bushes stopped in 2006 to protect them, so genuine mother-tree tea is no longer commercially available; modern Da Hong Pao comes from propagated plants and other recognised Wuyi material. Its name—“Big Red Robe”—is linked to stories of an emperor rewarding the bushes after their tea restored a member of the imperial family. It is a beautiful legend rather than secure medical documentation, but it reveals something important: in China, the value of tea has always rested not only in chemistry, but in origin, rarity, craftsmanship and the story carried by the leaf.

Japan: Gyokuro and ceremonial matcha

Japan’s most prized leaf tea is generally gyokuro , particularly hand-picked first-flush gyokuro from Uji or Yame. The plants are shaded for around three weeks before harvest, reducing bitterness and concentrating theanine and the deep savoury taste known as umami. The finest gyokuro is brewed unusually cool and slowly, sometimes at only 40–60°C, producing a tiny quantity of remarkably concentrated, almost broth-like tea.

Japan’s most prestigious powdered tea is ceremonial matcha made from first-flush tencha , especially from Uji. Historically, however, its status was shaped less by emperors than by Buddhist monasteries, the Ashikaga shoguns, powerful feudal rulers and tea masters. Uji tea gardens received political protection, while the tea ceremony transformed matcha into an expression of discipline, hospitality, aesthetics and authority.

There is also a valuable distinction: much of the “ceremonial grade” matcha sold today is a commercial designation rather than an official Japanese grade. Truly exceptional matcha is judged by the quality of its tencha, cultivar, harvest, shading, milling and the skill of its producer.

Korea: Hadong Ujeon wild tea

The closest Korean equivalent is Ujeon tea from Hadong , particularly hand-picked tea from the semi-wild gardens around Hwagae and Jirisan.

Ujeon means “before the rains” and refers to the earliest, most delicate spring picking, traditionally gathered before the seasonal period known as Gogu, around 20 April. Only the smallest buds and young leaves are taken, so production is extremely limited. The tea is usually carefully pan-fired by hand and produces a soft, sweet, subtly nutty infusion.

Hadong is particularly special because its tea plants grow among forest, rocks and mountain vegetation rather than in uniform industrial plantations. Many have reproduced from seed, creating considerable genetic diversity. The tradition is said to date to the ninth century, when tea seeds brought from Tang China were planted near Jirisan during the reign of King Heungdeok. The area’s 1,200-year tea system is now recognised by the FAO as a Globally Important Agricultural Heritage System.

Hadong’s finest Ujeon is sometimes described as Korea’s “king’s tea”, but we should use that expression carefully. It represents exceptional quality and historic prestige rather than one continuously documented tea reserved exclusively for Korean monarchs.

Korea’s rarest tea: Doncha

The most historically intriguing Korean tea may actually be doncha , also called tteokcha or “coin tea”.

The leaves are steamed, pounded and pressed into small cakes or coins, sometimes with a hole through the centre so they can be tied together. They are then dried and may be matured before use. A piece can be roasted briefly, broken up and infused or simmered.

This tradition survives only on a small scale and gives Korea its own form of compressed tea—distinct from Chinese pu-erh. It connects Korean tea with monastery culture, preservation, travel and medicinal household use. The Hadong Tea Museum still demonstrates the preparation of doncha.

What tea can—and cannot—do for health

The research does not reduce tea to a single miracle molecule. It reveals a more credible pattern.

Regular tea drinking can contribute to cardiovascular health by modestly influencing blood-vessel function, blood pressure and lipid metabolism. Green tea has been studied most extensively for several of these markers, while black tea has particularly interesting evidence around endothelial function.

Tea may also support metabolic health, especially when it replaces a sweetened drink. Trials of green tea have explored glucose control and insulin sensitivity, with mixed but potentially useful effects. The substitution itself matters: changing a daily sugary coffee or soft drink to unsweetened tea may achieve more than debating which catechin is superior.

In the brain, caffeine can improve vigilance while L-theanine may influence the quality of attention and subjective calm. This makes tea different from a purely sedative “calming” drink. Green tea and matcha can support focused alertness, but a sensitive person may still experience anxiety, tremor or poor sleep.

Tea also meets the gut directly. Polyphenols that are not fully absorbed in the small intestine become material for microbial metabolism in the colon. Early human research suggests that black, green and post-fermented teas may influence parts of the gut ecosystem, but “supports microbial diversity” is more accurate than calling tea a probiotic or prescribing it as a cure for digestive disease.

Population studies have associated tea drinking with healthier cognitive ageing, but such studies cannot prove that tea alone is responsible. Tea drinkers may share other habits that matter. Even so, the combination of hydration, repeated plant-polyphenol exposure, social ritual and periods of attentive pause is a biologically and behaviourally plausible part of a healthy-ageing pattern.

The skin is part of this story too. Tea polyphenols have antioxidant, anti-inflammatory and photoprotective potential.

Small topical studies of green-tea preparations have reported improvements in selected signs of photoageing, while reviews of oral green tea find the evidence more variable. Drinking tea should never be presented as internal sunscreen, and an infusion is not the same thing as a stable, tested cosmetic formulation. We will examine this properly in Part 3.

Which tea, when?

For a clear start to the morning

Choose black tea when you want a decisive, familiar lift, or matcha when you want sustained, deliberate focus. Green tea offers a lighter alternative. Drink it after some food if tea on an empty stomach makes you nauseated.

For concentration without endless coffee

A small matcha or quality green tea can work well before a period of concentrated work. If you are caffeine-sensitive, use less leaf, cooler water or a shorter infusion—and notice the effect rather than assuming every “healthy” dose suits you.

With or after lunch

Oolong is especially well suited to this position. Its aroma and repeated infusions extend the pleasure of the meal without needing sweetness. Dark tea or pu-erh can provide a deeper, traditional after-meal cup.

Tea can reduce the absorption of non-haem iron from plant foods. If you have low ferritin, iron-deficiency anaemia, heavy menstrual losses or take an iron supplement, do not make strong tea the automatic accompaniment to every meal. Leaving roughly one to two hours between tea and an iron-rich meal or supplement is a sensible practical measure.

When the stomach is sensitive

Strong tea, especially on an empty stomach, can cause nausea or aggravate reflux in some people. Try a smaller quantity of leaf, a shorter brew and a cup taken with food. Oolong, lighter black tea or rooibos may feel gentler, but individual response matters more than category.

In the late afternoon or evening

Rooibos is the clearest choice when sleep is a priority. Decaffeinated tea is another option. White tea is not automatically an evening tea: pale colour and delicate flavour do not guarantee low caffeine.

If sleep is fragile, timing often matters more than tea type. Even a moderate cup can remain physiologically active for hours.

Brewing changes the dose

Tea is prepared in a kitchen, not a laboratory, but brewing still determines what we extract. More leaf, hotter water and a longer infusion generally draw out more caffeine and polyphenols—along with more bitterness and astringency. Use these as flexible starting points:

White tea: 75–85°C for three to five minutes.
Green tea: 70–80°C for one to three minutes.
Matcha: 70–80°C, whisking a small measured amount into water.
Oolong: 85–95°C, often as several short infusions.
Black tea: 90–100°C for three to five minutes.
Pu-erh and other dark teas: 95–100°C, often as several short infusions.
Rooibos: 95–100°C for five to eight minutes.

These are not pharmacopoeial absolutes. Delicate Japanese greens can become harsh in boiling water; tightly rolled oolongs may need time to open; broken-leaf black teas extract faster than whole leaves. Taste is useful information. A cup that is unpleasantly bitter is unlikely to become a sustainable health practice.

When tea needs more thought

For most healthy adults, moderate brewed tea fits comfortably into daily life. There are, however, three important distinctions.

First, caffeine tolerance varies enormously. Pregnancy, palpitations, anxiety, migraine, reflux, certain medicines and sleep disturbance may all change what “moderate” means. European food-safety guidance considers up to 400 mg of caffeine across the day generally safe for healthy adults, with a lower limit of 200 mg during pregnancy—but personal tolerance may sit well below those figures.

Second, brewed green tea is not the same as a concentrated green-tea extract. Traditional infusions are generally considered safe, while high-dose catechin supplements—particularly those delivering 800 mg or more of EGCG daily—have raised liver-safety concerns. A capsule is not simply a convenient cup of tea.

Third, tea does not need medicinal exaggeration to be valuable. Its effects are usually cumulative, moderate and context-dependent. The most useful cup is the one that suits the person, replaces a less helpful habit and is prepared often enough to become part of life.

The intelligent tea shelf

You do not need every tea ever made. A small, purposeful selection is enough:

A green tea for a fresh daytime infusion.
Matcha for occasions that call for concentrated focus.
An oolong for slow drinking and after meals.
A black tea for a robust morning cup and cardiovascular polyphenols.
A well-sourced pu-erh or dark tea for depth, tradition and post-meal ritual.
Rooibos for the evening or for anyone avoiding caffeine.
White and yellow teas can then be added for their delicacy, craftsmanship and sensory variety rather than forced into a medicinal hierarchy.

The healthiest relationship with tea is not a hunt for the single “best” leaf. It is the ability to choose well: stimulation when it is useful, calm when it is needed, and a preparation that makes daily care both pleasurable and repeatable.

In Part 3, Tea Beyond the Cup , we will follow the leaf into kombucha and tea-mushroom fermentation, then into topical and cosmetic practice—where tea changes again, and where formulation matters as much as the plant itself.

Research and further reading

Ergothioneine: A New Longevity Nutrient?

Tue, 08 Sep 2026 12:15:04 GMT

Why scientists are taking this mushroom-derived nutrient seriously in healthy ageing, mitochondria and cognitive health

For decades, the idea of “antioxidants for ageing” was dominated by familiar nutrients such as vitamins C and E. Now another compound is attracting considerable attention in longevity research — ergothioneine .

It is found particularly abundantly in mushrooms, cannot be synthesised by the human body, and is actively taken up and retained by our tissues through a specialised transporter. That combination has led scientists to ask an intriguing question: Could ergothioneine be a previously overlooked nutrient involved in healthy ageing?

Why scientists are interested

Ergothioneine is a naturally occurring sulphur-containing derivative of the amino acid histidine. It is produced primarily by fungi and certain microorganisms, while humans obtain it through food.

What makes it unusual is the way the body handles it.

We possess a highly selective transporter known as OCTN1/SLC22A4 , which absorbs ergothioneine and allows it to accumulate in a range of tissues. That is important because the body does not treat every dietary antioxidant this way.

Recent reviews describe particularly strong retention of ergothioneine in tissues exposed to substantial metabolic or oxidative stress, including the brain, liver, kidneys, eyes and blood cells.

This selective transport and retention is one reason ergothioneine has been proposed as a possible “longevity vitamin.”

The 2026 longevity discussion

Interest accelerated further at the Unlock Healthy Longevity Conference in Singapore in February 2026 . The programme devoted a substantial section specifically to ergothioneine, including Professor Barry Halliwell presenting recent developments and Professor Robert Beelman asking whether ergothioneine could be a “longevity vitamin” capable of contributing to healthy ageing.

Ergothioneine is often described simply as an antioxidant, but that probably understates what makes it interesting. Its chemistry makes it unusually stable, while its transporter allows it to be actively concentrated inside the body.

Research increasingly points towards broader cytoprotective effects , including interactions with oxidative stress, inflammatory signalling, cellular metabolism and mitochondrial function. One particularly important question has been whether ergothioneine can actually reach mitochondria.

In 2024 researchers demonstrated direct ergothioneine uptake into isolated mitochondria and detected it within mitochondria obtained from treated cells and animals.

Interestingly, mitochondrial uptake was reduced but not completely abolished when OCTN1 was absent, raising the possibility that additional mitochondrial transport mechanisms may exist.

That gives scientists a plausible mechanism through which ergothioneine could help protect mitochondrial structures from oxidative injury.

But we should be careful here. Mitochondrial protection demonstrated experimentally does not yet mean that taking ergothioneine supplements has been proven to slow human ageing.

Ergothioneine and the ageing brain

The neurological evidence may ultimately prove to be one of the most interesting aspects of ergothioneine research. Lower circulating ergothioneine has been associated in observational studies with ageing and with several age-related disorders, particularly cognitive decline and neurodegenerative disease.

A major review published in August 2026 concluded that the growing evidence is particularly suggestive in relation to neurodegenerative ageing — while also emphasising how much fundamental research remains to be done.

More importantly, a small randomised controlled pilot trial has now tested ergothioneine directly.

Researchers recruited 19 adults aged 60 or over with mild cognitive impairment. Participants received either placebo or 25 mg ergothioneine three times each week for one year. Those taking ergothioneine showed improvement in a measure of verbal learning and maintained relatively stable levels of neurofilament light chain, a biomarker associated with neuronal damage. In the placebo group, neurofilament light increased during the study. No significant adverse changes were detected in routine blood, kidney or liver safety markers.

These findings are intriguing. But nineteen participants are nowhere near enough to demonstrate that ergothioneine prevents dementia or substantially alters brain ageing. The trial should be regarded as an early clinical signal requiring confirmation in much larger studies.

Where do we get ergothioneine?

This is perhaps the most appealing part of the story. Ergothioneine is a dietary compound rather than a synthetic longevity drug. Its richest commonly consumed sources are mushrooms .

Different species contain very different amounts, and concentrations are influenced by fungal species, growing conditions, substrate and cultivation techniques.

Porcini and several members of the Pleurotus — oyster mushroom — family are among the particularly interesting sources, while shiitake and other culinary mushrooms can also contribute meaningful amounts.

This raises an important question for nutritional longevity research: Could regular mushroom consumption help maintain ergothioneine status as we age?

At present we do not know exactly how much ergothioneine humans require — or even whether a formal requirement will eventually be established. But dietary exposure may prove to be considerably more relevant than previously recognised.

Why this matters for longevity medicine

The ergothioneine story illustrates an important change taking place in ageing research.

Rather than trying simply to “eliminate free radicals,” researchers are increasingly studying how particular molecules interact with:

mitochondrial resilience,
cellular stress responses,
inflammatory signalling,
neurological ageing,
metabolic regulation,
and the body's own protective systems.

Ergothioneine may eventually prove to be part of that network. For now, it deserves neither dismissal nor miracle-status. What we have is something considerably more interesting:

a food-derived molecule that humans cannot manufacture, that our bodies possess a specialised system to retain, that accumulates in vulnerable tissues, and that is beginning to show intriguing signals in human ageing research. Whether it ultimately deserves to be called a “longevity vitamin” remains to be discovered.

Wildberry Research View

Ergothioneine is not yet an established anti-ageing therapy. The strongest current rationale lies in its unusual physiology, mitochondrial and cytoprotective mechanisms, epidemiological associations and emerging early human data.

For the moment, a food-first approach incorporating ergothioneine-rich mushrooms is considerably easier to justify than high-dose supplementation. The next generation of clinical trials should tell us whether ergothioneine is simply another beneficial dietary compound — or whether it represents something more fundamental in human healthy ageing.

Selected references

Halliwell B. et al. Ergothioneine research and physiology.

Cheah IK et al. Ergothioneine and mitochondrial uptake.

Feng L et al. Investigation of ergothioneine in mild cognitive impairment: randomised placebo-controlled pilot study.

Zheng J et al. Ergothioneine: An updated review on preparation strategies, biological activity and mechanisms, health and functional applications. Food Chemistry. 2026.

Ergothioneine as an Emerging Food-Derived Bioactive Compound Protecting against Age-related Diseases: Issues Needing More Research. American Journal of Clinical Nutrition. 2026.

Unlock Healthy Longevity Conference, Singapore, February 2026.

Disclaimer: This article is for educational purposes and does not constitute medical advice. Evidence concerning ergothioneine supplementation and healthy ageing remains preliminary, and larger clinical trials are required before therapeutic recommendations can be made.

MEN’S HEALTH SERIES. Testosterone: More Than a Sex Hormone

Tue, 08 Sep 2026 06:43:31 GMT

Testosterone: When Too Little — or Too Much — Becomes a Problem

Testosterone is usually associated with libido and sexual function. But its influence reaches much further. In men, testosterone contributes to the maintenance of muscle mass and strength, bone density, red blood cell production, fat distribution, sperm production, sexual function and general physical wellbeing . Like most hormones, the goal is not simply to have “more”: both too little testosterone and excessive androgen activity can cause problems — and some of testosterone’s effects depend on what happens to it after it is produced.

When testosterone is too low

Testosterone production is controlled through a communication pathway between the hypothalamus, pituitary gland and testes . A problem anywhere along that pathway can lower testosterone.

Sometimes the testes themselves cannot produce sufficient testosterone. This is known as primary hypogonadism and may occur following testicular injury, infection, chemotherapy or radiotherapy, or because of certain genetic conditions.

In other men, the problem originates higher up — the pituitary or hypothalamus is not providing enough stimulation to the testes. This is termed secondary hypogonadism .

But there is another increasingly important category: functional suppression of testosterone .

Obesity and metabolic dysfunction are strongly associated with lower testosterone, and particularly with secondary hypogonadism. Chronic systemic illness, liver disease, excessive alcohol use, some medications — notably opioids and glucocorticoids — hyperprolactinaemia, iron overload and pituitary disorders can also interfere with testosterone production.

Ageing matters too, but a falling testosterone concentration should not automatically be dismissed as “just getting older”. Current European guidance emphasises investigating associated disease, medication and metabolic factors rather than assuming age alone is responsible.

What might low testosterone feel like?

Symptoms vary considerably, and many are nonspecific. Some of the more suggestive changes include:

reduced sexual desire
fewer spontaneous or morning erections
erectile difficulties
reduced muscle mass and strength
increased body fat, particularly visceral fat
reduced energy and physical performance
reduced motivation or low mood
difficulty concentrating
reduced bone density
infertility
sometimes anaemia

Sexual symptoms tend to be among the more specific indicators of true androgen deficiency; fatigue, poor concentration and low mood have many other possible causes. That distinction is important. A tired 50-year-old man with abdominal weight gain and poor concentration does not automatically have testosterone deficiency . Sleep apnoea, thyroid dysfunction, anaemia, diabetes, depression, medication effects, chronic disease and metabolic dysfunction can produce a very similar picture.

But can testosterone be too high?

Yes — although markedly excessive testosterone arising naturally is much less common than low testosterone. Clinically, excessive androgen exposure is more often encountered through testosterone treatment, anabolic-androgenic steroid use or excessive supplementation .

This creates an interesting paradox. Very high external doses of testosterone can produce some of the effects people are trying to achieve — such as greater muscle mass — while simultaneously switching down the body's own testosterone and sperm production . High-dose anabolic-androgenic steroid exposure is associated with:

acne and oily skin
accelerated androgen-dependent hair loss
increased red blood cell production and potentially erythrocytosis
fluid retention
changes in blood pressure and blood lipids
irritability, aggression or mood changes at high doses
testicular shrinkage
reduced sperm production
subfertility or infertility
sometimes gynaecomastia

The last point may seem counterintuitive: taking testosterone can actually reduce male fertility because external testosterone suppresses LH and FSH signalling from the pituitary, reducing the stimulation needed inside the testes for normal sperm production. This is why testosterone therapy is not used as a fertility treatment and is specifically discouraged in men actively wishing to father a child.

And then there is DHT

Testosterone is not the end of the story. In certain tissues, testosterone can be converted by the enzyme 5-alpha-reductase into dihydrotestosterone, or DHT .

DHT binds strongly to the androgen receptor and produces particularly important androgenic effects in tissues including the: prostate • skin • sebaceous glands • hair follicles.

DHT is essential to normal male development. In adulthood, however, high local androgen activity can contribute to some familiar androgen-related problems:

Male-pattern hair loss
In genetically susceptible scalp follicles, DHT contributes to progressive follicular miniaturisation.

Oily skin and acne
Androgen signalling stimulates sebaceous gland activity.

Prostate growth
DHT is a major androgen within prostate tissue and contributes to prostate development and growth.

Increased facial and body hair
DHT contributes to terminal hair growth in androgen-sensitive areas.

This helps explain why two men with apparently similar blood testosterone concentrations can sometimes display quite different androgenic characteristics. It isn't simply “how much testosterone?” I t is also: How much is biologically available? How much is converted into other hormones? How sensitive are the target tissues to those hormones?

Testosterone can also take another route

Some testosterone is converted through the enzyme aromatase into estradiol . Men require estradiol too. It contributes particularly to bone health and normal reproductive and metabolic physiology . The balance therefore involves far more than testosterone alone: testosterone ↔ DHT ↔ estradiol along with SHBG, pituitary signalling, body composition, metabolic health and androgen-receptor sensitivity.

This is one reason indiscriminately attempting to “boost testosterone” — or aggressively block its conversion into DHT or estradiol — can oversimplify a much more complex endocrine system.

So what should actually be tested?

A single testosterone measurement is rarely enough to establish hypogonadism. Current guidelines recommend diagnosing testosterone deficiency only when compatible symptoms or signs occur alongside repeatedly low testosterone concentrations. As t estosterone varies considerably during the day and from one day to another, measurements are generally repeated in the morning , ideally under standardised conditions.

Depending on the clinical picture, investigation may include:

Total testosterone
SHBG
Calculated or measured free testosterone
LH and FSH
Prolactin

and, where relevant:

Estradiol
Thyroid function
Full blood count / haematocrit
Glucose and HbA1c
Liver function
Ferritin and iron studies
PSA and prostate assessment where appropriate

SHBG deserves particular attention because changes in SHBG can make total testosterone misleading. Obesity and type 2 diabetes, for example, may lower SHBG and therefore lower measured total testosterone even when free testosterone is less affected.

The Clinical Insight

When a man presents with fatigue, reduced libido, declining muscle mass, abdominal weight gain or poorer physical performance, asking “Is his testosterone low?” is only the beginning. The more useful questions are:

Why has it changed?

Is the problem originating in the testes, the pituitary–hypothalamic axis, or from metabolic and systemic illness?

What is happening to testosterone once it reaches its target tissues?

Are we looking at testosterone itself — or the wider physiology that controls it?

More is not necessarily better with male hormones. Balance, signalling and the underlying cause matter far more than chasing a number.

This article is for educational purposes and is not a substitute for individual medical assessment. Symptoms of testosterone deficiency or excess should be properly investigated rather than treated on symptoms alone.

References

Bhasin S, Brito JP, Cunningham GR, et al. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline. J Clin Endocrinol Metab. 2018;103(5):1715–1744. doi:10.1210/jc.2018-00229.
Endocrine Society. Testosterone Therapy for Hypogonadism Guideline Resources. Clinical Practice Guideline. 2018.
Jimbo M, Gomella LG. Male Hypogonadism. Merck Manual Professional Edition. Reviewed 2025; updated February 2026. Useful for primary vs secondary hypogonadism, obesity, systemic illness, medications, iron overload, alcohol and pituitary causes, as well as clinical symptoms and diagnostic testing.
Jimbo M, Gomella LG. Male Reproductive Endocrinology. Merck Manual Professional Edition. 2025. Covers hypothalamic–pituitary–gonadal regulation and normal male reproductive endocrine physiology.
Merck Manual Professional Edition. Anabolic Androgenic Steroids. Covers adverse effects of supraphysiological androgen exposure, including acne, alopecia, hypertension, dyslipidaemia, erythrocytosis, gonadal suppression, reduced sperm production, testicular atrophy and infertility.
Swerdloff RS, Dudley RE, Page ST, Wang C, Salameh WA. Dihydrotestosterone: Biochemistry, Physiology, and Clinical Implications of Elevated Blood Levels. Endocr Rev. 2017;38(3):220–254. doi:10.1210/er.2016-1067. An excellent detailed review of testosterone-to-DHT conversion, 5α-reductase, tissue-specific DHT production, prostate and skin physiology.

Tea, Part One : The Health Ritual Hidden in Plain Sight

Wed, 02 Sep 2026 06:35:49 GMT

Part One — How an ancient medicinal leaf became the world’s daily drink

Tea is so familiar that we rarely stop to consider what it is doing. We drink it to wake up, to think more clearly, to settle after a meal, to warm ourselves and to create a moment of calm. These effects are not simply part of the ritual. Tea contains a remarkable mixture of natural compounds capable of influencing attention, mood, circulation, glucose metabolism, digestion and the body’s response to inflammatory and oxidative stress.

Modern research is investigating tea in cardiovascular health, metabolic regulation, the intestinal microbiome, cognitive ageing and protection of the skin. Yet many of these questions are not entirely new. For centuries, tea was valued as something that cleared the mind, relieved heaviness, supported digestion and helped preserve health.

To understand what tea may offer us today, we first need to understand what tea actually is—and how one medicinal leaf became so many different drinks.

The plant behind the cup

True tea comes from one evergreen species: Camellia sinensis. Left to grow naturally, it can become a small tree. On tea estates, it is repeatedly pruned into a low shrub to encourage the production of tender new shoots. The most valued harvest generally consists of the unopened bud and the first one or two young leaves—the familiar “two leaves and a bud.”

Two principal botanical varieties have shaped tea culture. Camellia sinensis var . sinensis has smaller leaves and tolerates cooler conditions. It is closely associated with the tea traditions of China and Japan. Camellia sinensis var. assamica has larger leaves and thrives in warmer, more humid regions. It became central to Assam and many other tropical tea-growing areas.

As with grapes, the variety is only the beginning. Altitude, soil, rainfall, shade, season, the age of the harvested leaf and the way it is processed all change the finished tea.

Green, white, black, oolong, pu-erh and matcha are therefore not different medicinal plants. They are different expressions of the same plant.

Tea before the teapot

According to Chinese legend, tea was discovered by the emperor and herbalist Shennong when leaves blew into a vessel of boiling water. The drink revived him, and tea entered the long history of Chinese medicine.

It is an evocative foundation story rather than a documented historical event. Archaeology gives us firmer evidence. Tea residues discovered among funerary offerings at the Han imperial mausoleum in Yangling show that tea was being consumed in China by the second century BCE. Related material found in western Tibet demonstrates that tea was already travelling considerable distances along early trade routes.

The earliest tea did not always resemble a modern infusion. A third-century Chinese account preserved in later tea literature describes leaves compressed into cakes, sometimes using rice paste as a binder. To prepare the drink, part of the cake was roasted, ground and covered with hot water. Spring onion, ginger and citrus peel could then be added. The result would have been bitter, aromatic and savoury—somewhere between tea and a seasoned herbal broth.

The same account associated tea with dispelling the effects of alcohol and preventing sleep. Tea was already being recognised by the way it changed alertness and bodily sensation, even though no one yet knew the names of caffeine or L-theanine.

Why tea was compressed into cakes

Freshly harvested tea leaves deteriorate quickly. Steaming, pounding, moulding and drying the leaves produced a compact material that could be stored, counted, transported and traded.

Tea cakes could be threaded together and carried over long distances. Compression became increasingly important to the imperial tribute system and to trade across China, Tibet and Central Asia.

These early cakes were not necessarily identical to modern pu-erh cakes. Contemporary pressed teas may contain recognisable whole leaves, while many early cakes were manufactured from steamed and pounded leaf material.

The rice paste mentioned in early descriptions appears to have helped bind coarser or older leaves into cakes. It should not be interpreted as proof that all early tea was a substantial grain broth.

More genuinely nourishing tea preparations developed in Tibet and Mongolia, where compressed tea was later combined with salt, butter or milk. These drinks supplied warmth, fluid and energy in cold, high-altitude environments—but they belong to their own regional history.

Lu Yu and the transformation of tea

By the Tang dynasty, tea had moved far beyond its regional origins. It was cultivated, traded and consumed across China. During the eighth century, Lu Yu composed the Chájīng, or The Classic of Tea. This extraordinary work described the plant, its cultivation and processing, the quality of water, the preparation of the drink and the utensils required to serve it.

Lu Yu described a much more refined way of preparing compressed tea. The cake was first roasted over a flame to refresh its aroma and remove moisture. It was then cooled, ground and sieved into a powder.

Water was heated in a cauldron. A little salt was added during the early stage of boiling, and the tea powder was introduced as the water approached a stronger boil. The prized surface foam was carefully preserved and distributed between the bowls.

Lu Yu accepted a small amount of salt, but disliked the popular practice of boiling tea with onions, ginger, jujube, citrus peel, dogwood fruit, mint and other aromatics. His criticism is valuable precisely because it confirms that such mixtures were familiar.

This marked an important change. Tea was moving away from being treated as one ingredient within a mixed functional broth and towards being appreciated for its own origin, fragrance, flavour and quality. Tea was becoming a discipline. Its value lay not only in its action upon the body, but also in the quality of attention involved in preparing it.

From boiled tea to whisked tea

During the Song dynasty, powdered tea was placed into a bowl, combined with hot water and whisked into a fine foam. Tea competitions judged the colour, texture and persistence of this foam. Preparation became technically demanding, aesthetically refined and closely connected with scholarship, poetry and social status.

This powdered-tea culture later influenced Japanese tea preparation. However, Japanese matcha did not simply preserve Song tea unchanged. It developed through its own methods of shading, steaming, processing and ceremonial practice.

Loose-leaf infusion became increasingly dominant in China during the Ming period. Instead of roasting and grinding a cake, the drinker placed dried leaves in a vessel and poured hot water over them. This change encouraged the development of new teapots, brewing vessels and styles of whole-leaf tea. It eventually created the preparation most familiar to us today.

Tea in Korea: preservation and transformation

Tea reached Korea through centuries of exchange with China involving plants, medicine, diplomacy, scholarship and Buddhist practice. Korean records describe established tea cultivation by the ninth century, although tea was known earlier. It became part of court life, religious offerings and monastic practice, as well as a drink associated with hospitality and cultivation of the mind. Korean tea culture developed its own restrained character, with close attention given to water, season, ceramics and the relationship between host and guest.

Korea is also important to the history of medicine. Korean physicians did not merely copy Chinese texts. They classified, tested and adapted inherited knowledge to Korea’s climate, plants and medical experience.

The Hyangyak jipseongbang, published in 1433, assembled thousands of prescriptions while emphasising medicinal materials available within Korea. The enormous Uibang yuchwi, compiled during the fifteenth century, preserved material from numerous earlier East Asian medical works. Some of those works later disappeared or now survive only through quotations preserved in Korea.

The Donguibogam, completed by Heo Jun and first published in 1613, created an enduring synthesis of medical theory, materia medica, prescriptions, diet and health preservation. Its 25 volumes are now recognised by UNESCO’s Memory of the World programme.

This parallel record became especially valuable after wars, political upheaval and the Cultural Revolution damaged particular archives and lines of medical transmission in China. Chinese medicine was not erased, but Korean and Japanese collections sometimes preserve different editions, prescriptions and methods that no longer survive in their original Chinese sources.

Korean medicine should therefore be understood both as an independent tradition and as an important witness to the wider history of East Asian medicine.

Korean food and medicine also developed a much broader meaning of the word cha. It can describe true green tea, but also roasted barley or rice water, powdered-grain drinks, medicinal roots and seeds, or fruits preserved in honey and stirred into hot water.

Roasted barley tea, or boricha, belongs principally to everyday food culture. It is served warm or chilled and often replaces plain water. Other preparations move closer to medicine.

Corn-silk tea has been used for the urinary system and fluid balance. Ginger tea is warming and digestive. Persimmon-leaf tea contains tannins, flavonoids and vitamin C. Omija, or schisandra tea, has traditional associations with the lungs, thirst, fatigue and the preservation of body fluids. Jujube, ginseng, balloon-flower root, goji, Job’s tears, roasted cassia seed, mugwort and lotus leaf may also be prepared in drink form.

There are also complex preparations such as ssanghwa-cha, which descends from a formal multi-herb decoction rather than an ordinary tea.

Korean tea culture therefore developed at the meeting point of hydration, nourishment, hospitality and medicine—but not every drink called cha comes from the tea plant, and not every traditional tea began as a medicine.

Tea in Japan

Tea was known in Japan by the early ninth century, but its wider cultivation and medical reputation developed gradually. A decisive figure was the monk Eisai, who returned from China with tea knowledge and seeds. His early thirteenth-century work, Kissa Yōjōki—usually translated as Drinking Tea for Health—presented tea as a means of nourishing life and preserving health.

Tea subsequently developed along several Japanese paths.

Steaming the freshly harvested leaves prevented extensive oxidation and preserved their fresh, green character. This eventually gave rise to teas such as sencha and gyokuro. Matcha followed a different process.Tea plants are shaded before harvest, changing the chemistry, colour and flavour of the developing leaf. Shading encourages a deeper green colour and helps create the characteristic balance of sweetness, savouriness and bitterness.

After harvesting, the leaves are steamed, dried to create tencha, stripped of coarse stems and veins, and finely ground. When we drink an ordinary infusion, most of the leaf is discarded. With matcha, the powdered leaf is suspended in water and consumed. It therefore delivers more total leaf material, but also potentially more caffeine and a more concentrated experience of the plant.

Matcha is not simply “strong green tea.” Its cultivation, processing and method of consumption make it a distinct form of tea.

Tea in India: an indigenous plant transformed by empire

India’s tea history is often told as though the British introduced an entirely foreign plant into the country. The real story is more complicated. Large-leaved tea plants grew naturally across Assam and neighbouring regions of Northeast India. Indigenous communities, particularly the Singpho, knew and used these leaves before British commercial cultivation began.

Their methods could involve roasting, drying or smoking the leaves before storing and boiling them. In 1823, the Singpho chief Bessa Gam showed Assam tea plants to the Scottish trader Robert Bruce. This encounter became part of the British narrative of the “discovery” of Indian tea—but the plant had not been discovered. Knowledge of it had been transferred from the people already using it to a colonial commercial system.

The Assam plant was eventually recognised as Camellia sinensis var. assamica. Its larger leaves and affinity for warm, humid conditions distinguished it from the smaller-leaved Chinese variety.

During the 1830s, the British began experimental planting and manufacture in Assam. The Assam Company was established in 1839, and the region developed into one of the world’s great centres of black-tea production.

This expansion created a vast international trade, but it was also built through colonial control of land and an often brutal plantation labour system. Workers were moved long distances under restrictive contracts, and women came to form a large proportion of the tea-garden workforce.

The history of Indian tea cannot be separated from their knowledge and labour.

Assam tea became known for its strength, depth, maltiness and ability to retain its character when combined with milk. These qualities later made it central to breakfast blends and Indian milk tea.

Darjeeling and the Himalayan leaf

Darjeeling followed a different path. During the 1840s, Chinese tea plants were introduced experimentally into the cool Himalayan foothills. At high altitude, slower growth, mist, marked changes in temperature and seasonal harvesting produced teas very different from those of the Assam plains.

The earliest spring harvests, known as first flush, are generally light, fresh and floral.

Second-flush Darjeeling is fuller and may develop the distinctive ripe-fruit or “muscatel” character for which the region became famous. Autumnal teas tend to be rounder, darker and softer.

Darjeeling demonstrates how profoundly landscape can change tea. Plant variety, harvest season, altitude and oxidation combine to create a drink that may bear little resemblance to a powerful low-grown Assam, even when both are sold as black tea.

India also developed important tea traditions in Nilgiri, Kangra, Dooars, Terai, Sikkim and other regions. Assam Orthodox, Darjeeling, Nilgiri Orthodox and Kangra are now recognised as distinct geographical indications.

From colonial export to the Indian cup

For much of the nineteenth century, Indian tea was grown principally as an export commodity. Large-scale domestic tea drinking developed later. Tea-industry campaigns during the twentieth century encouraged people to take tea at railway stations, factories, markets and roadside stalls. Indian households and tea sellers transformed the British style of milk-and-sugar tea by combining it with established Indian spices and preparation methods.

The result was not one fixed recipe, but an entire family of drinks now loosely called masala chai.

Chai simply means tea. Masala chai means spiced tea. Depending on region and household, it may contain fresh ginger, cardamom, cinnamon, clove, black pepper, fennel, nutmeg or other aromatics. The tea is generally simmered with water, milk and sugar rather than delicately infused and removed.

This produces a substantial drink in which the tannic strength of black tea is softened by milk, while the spices create warmth, aroma and digestive complexity.

Is masala chai an ancient Ayurvedic medicine?

This is frequently claimed, but the history is more interesting than the marketing. Ginger, cardamom, cinnamon, clove, fennel and black pepper all have long histories in Ayurveda. They are used to influence digestion, appetite, respiratory function and the handling of coldness, heaviness or stagnation. However, Camellia sinensis was not a central medicine in the foundational Ayurvedic texts. The familiar combination of black tea, milk, sugar and spices is not one ancient, standardised Ayurvedic prescription.

Masala chai is better understood as a comparatively modern tea drink constructed from much older Indian knowledge of spices. An Ayurvedic interpretation can still be useful. The spices may counter some of the cold, heavy qualities of milk, support digestion and alter the way the drink feels in the body. But the result depends upon the recipe.

A ginger- and black-pepper-rich chai is different from one dominated by cardamom and fennel. A lightly sweetened chai is metabolically different from a large drink containing several teaspoons of sugar. The medicinal intelligence lies in adapting the spices and preparation—not in assuming that every sweet masala chai is automatically therapeutic.

Tea in Nepal

Nepal’s tea history is closely connected with Darjeeling, but it should not be treated as an imitation of Indian tea. According to Nepal’s National Tea and Coffee Development Board, the first tea estate was established in Ilam in 1863, followed by a tea factory in 1878.

Commercial expansion remained slow for many decades, but tea gradually became an important crop across Nepal’s eastern hills. The high-growing districts of Ilam, Dhankuta, Panchthar and Terhathum lie close to Darjeeling but have their own soils, elevations, weather and communities of growers.

Nepal now produces two broad commercial styles. In the lower and warmer Terai, tea is frequently manufactured using the crush-tear-curl, or CTC, method. This produces small particles that infuse rapidly and create a strong liquor suitable for milk tea.

At higher elevations, producers make orthodox teas in which the leaves retain more of their structure. These include black, green, white and oolong styles, as well as increasingly experimental small-batch teas.

High-grown Nepali black teas can be floral, honeyed, fruity or gently muscatel. White and green teas may emphasise the tenderness of the young Himalayan leaf, while oolongs allow producers to explore different degrees of oxidation.

Nepal shows that tea categories are not permanently tied to one country. The same mountain garden can potentially produce white, green, oolong or black tea according to how the harvested leaf is handled.

Tea becomes a global drink

Tea reached European maritime traders during the sixteenth and seventeenth centuries. Dutch merchants helped establish it as a fashionable and expensive drink in Europe, while Portuguese connections influenced its arrival at the English court.

In Britain, tea moved from royal and aristocratic circles into coffee houses and eventually domestic life. Taxation made it valuable, smuggling made it widely available, and the East India Company turned it into a commodity of enormous political and economic importance.

The desire to control the tea trade helped drive British cultivation in India and contributed to the commercial conflicts surrounding opium and China.

Tea also continued travelling by land. It moved through Tibet, Mongolia, Central Asia, Persia and Russia, acquiring butter, salt, milk, sugar, jam, citrus and local herbs along the way. The plant remained Camellia sinensis, but every culture remade the drink.

How one leaf becomes many teas

Once a tea shoot is picked, enzymes inside the damaged leaf begin transforming its compounds through contact with oxygen. Tea makers control this process through withering, rolling, heating, drying, grinding, ageing and, in some teas, microbial fermentation.

White tea

White tea is gently withered and dried, with relatively little handling. It is usually delicate in flavour, although mature white teas can become deeper and more complex with age.

Green tea

Green tea is heated soon after harvesting to limit oxidation. Chinese green teas are commonly heated in pans, while Japanese green teas are generally steamed. This preserves their fresh character and more of the catechins found in the young leaf. Green teas range from light and floral to grassy, marine, toasted or gently bitter.

Yellow tea

Yellow tea is a relatively rare Chinese category. It begins rather like green tea but undergoes an additional controlled “yellowing” stage in which the warm leaves are wrapped or rested. This softens some of the grassy sharpness and produces a rounder, mellower character.

Oolong tea

Oolong is partially oxidised.

It covers an enormous range, from light, floral and almost green styles to darker, roasted teas with rich fruit, honey or woodland notes.

The category cannot be defined by one flavour or one level of oxidation. Some oolongs are closer to green tea, while others approach the depth of black tea.

Black tea

Black tea is allowed to oxidise extensively. During this process, many of the smaller catechins are transformed into theaflavins and other larger polyphenols that contribute to its amber-red colour, depth and astringency.

This transformation does not make black tea an inferior version of green tea. It gives black tea its own composition and biological activity. In Chinese terminology, what English speakers call black tea is generally called red tea because of the colour of the prepared liquid.

Dark tea and pu-erh

Dark teas are aged and transformed with the involvement of microorganisms. Pu-erh is the best-known example. Their earthy flavour and distinctive composition develop through microbial activity and continued ageing. Some are pressed into cakes or bricks and may continue changing for years.

Matcha

Matcha is produced from shaded green-tea leaves. The leaves are steamed, dried into tencha, stripped of coarse stems and veins, and finely ground. Because the powdered leaf is suspended in water and consumed, matcha provides more total leaf material than an ordinary filtered infusion.

Black tea and oolong are often described as “fermented,” but their principal transformation is enzymatic oxidation. Pu-erh and other dark teas undergo genuine microbial fermentation.

Kombucha is different again: it is made by fermenting an already prepared tea infusion with yeasts and bacteria.

Why processing matters to health

Processing changes far more than taste:

Green tea retains more of the smaller polyphenols found in the fresh leaf. During black-tea production, many of these combine to form the larger compounds that give black tea its colour and characteristic structure.

Oolong occupies a broad territory between the two. Dark-tea fermentation introduces microbial transformations, while matcha provides both the soluble infusion and the powdered leaf.

This is why it is misleading to ask which tea is universally “healthiest.” The more useful question is: what do we want from the tea, and when are we drinking it?

Tea for calm concentration

Tea naturally contains caffeine together with L-theanine, an amino acid strongly associated with the tea plant.

Caffeine promotes wakefulness. L-theanine appears to modify the quality of that stimulation, helping to explain why tea can support attention while feeling different from coffee. The result is often described as calm alertness: awake and attentive, but not necessarily overstimulated.

A recent analysis of controlled trials found that tea, L-theanine and the combination of L-theanine with caffeine can influence particular aspects of attention, mood and sleep. The response depends upon the preparation, dose, timing and individual sensitivity.

Green tea or a moderate serving of matcha may therefore be particularly suited to the morning or to periods of focused work. Matcha can contain a meaningful amount of caffeine and is not automatically gentle simply because it is green. A small traditionally prepared serving may be very different from a large café drink containing several teaspoons of powder.

Tea for cardiovascular and metabolic health

Habitual tea consumption has been associated with favourable cardiovascular patterns in large population studies from China and Japan. Researchers are examining how tea influences vascular function, blood pressure, cholesterol, glucose handling and inflammatory activity.

Tea polyphenols may interact with the cells lining the blood vessels, the metabolism of lipids and glucose, and the intestinal microorganisms that transform tea compounds after they are consumed.

This is less about expecting one cup to behave like a drug and more about understanding the possible value of a daily practice maintained over many years. Green tea is the most intensively researched, but black tea also contains biologically active polyphenols. The transformation of green-tea catechins during oxidation gives black tea a different chemical profile rather than removing its potential value.

How tea is served also matters. A regularly consumed infusion is different from a highly sweetened bottled tea or a large chai containing a considerable amount of sugar.

Tea, digestion and the microbiome

Tea has long been taken after food, particularly rich or oily meals. Its bitterness, astringency, aroma and warmth all contribute to the digestive experience. Contemporary research is examining how tea compounds interact with intestinal microorganisms and the gut barrier.

Not everything in tea is absorbed in the small intestine. Some polyphenols travel onwards to the colon, where the microbiota transform them into smaller metabolites.

The relationship works in both directions: tea can influence microbial activity, while the individual microbiome determines which tea-derived compounds become available to the body.

A small controlled study in Japan found that matcha consumption altered aspects of the faecal microbiota, including a reduction in Fusobacterium and an increase in Coprococcus. This is an emerging area that connects traditional digestive observations with modern microbial research.

Strong green tea, however, is not soothing for every stomach. Its caffeine and astringency can provoke nausea or aggravate reflux when it is highly concentrated or taken on an empty stomach.

A lighter infusion, a roasted green tea such as hojicha, a gently prepared oolong or tea taken with food may be better tolerated.

Tea and healthy ageing

Tea research increasingly extends beyond the simple idea of “antioxidants.” Scientists are examining how tea compounds influence inflammatory signalling, vascular ageing, glucose regulation, cellular stress responses and preservation of cognitive function.

A recent analysis of observational studies involving nearly 59,000 people found that higher green-tea consumption was associated with a lower occurrence of cognitive impairment.

This does not make tea a treatment for dementia. It does, however, support continued investigation of tea as one component of a long-term, health-supporting diet.

The most interesting question may not be whether tea can reverse ageing. It is whether decades of regular tea drinking can help create a metabolic, vascular and neurological environment in which healthier ageing is more likely.

Tea and the skin

Tea has repeatedly crossed between the cup and the dressing table. Green tea and tea extracts now appear in preparations intended for oily or blemish-prone skin, redness, scalp care and protection from environmental stress.

Tea polyphenols are being studied for their influence on inflammatory pathways, sebum, skin microorganisms and ultraviolet damage. In a controlled human trial, oral green-tea catechins provided specific protection to one component of the skin’s elastic-fibre network following an acute ultraviolet challenge.

Tea is not a substitute for sunscreen, but this finding helps explain why it has become relevant to research into photoageing and dermal resilience.

China, Korea and Japan also have histories of using tea infusions, tea powders and tea-derived residues in washing, bathing and topical preparations.

Modern cosmetic formulations may use green-tea extracts, tea-seed oil, fermented tea filtrates or purified tea compounds. These are not identical materials and should not be credited automatically with the same effects.

A later part of this series will examine tea on the skin in its own right—from historical washes and powdered preparations to modern research on inflammation, pigmentation, sebum and photoageing.

What happens when tea becomes kombucha?

Kombucha begins with tea, but it does not remain simply tea. Yeasts begin breaking down the added sugar, while acetic-acid bacteria transform fermentation products into organic acids. The microorganisms also build the floating cellulose-rich culture commonly called the “tea mushroom” or SCOBY.

During fermentation, the sugar concentration changes, new organic acids and microbial metabolites appear, tea polyphenols are transformed and the flavour becomes sharper and more complex.

Small amounts of alcohol may be produced. Caffeine usually remains, although its concentration can change.

Kombucha therefore becomes a new fermented preparation with properties determined by the original tea, the quantity of sugar, the microorganisms present, the temperature and the length of fermentation.

Its effects cannot simply be assumed from the original tea. Human research is beginning to investigate kombucha in relation to metabolism and intestinal health, but the composition of one kombucha can differ substantially from another.

Kombucha deserves its own article because it leads directly into our wider exploration of botanical and grain fermentation.

Rooibos: tea without the tea plant

Rooibos belongs in this series, but botanically it is not tea. It is made from Aspalathus linearis, a South African leguminous shrub. Rooibos is naturally caffeine-free and contains a different family of polyphenols, including aspalathin.

Its smooth, gently sweet character makes it particularly useful in the evening and for people who do not tolerate caffeine. Green rooibos is dried with minimal oxidation, while the familiar red rooibos develops its colour and flavour through oxidation.

Rooibos should not be described simply as a caffeine-free version of green tea. It is a separate medicinal and nutritional plant with its own cultural history, composition and developing field of research.

Choosing tea according to the moment

There is no need to identify one perfect tea. A thoughtfully chosen tea cabinet can serve several different purposes.

Morning or focused work

Green tea or matcha can support alertness with a more composed quality than many people experience with coffee.

Matcha is generally the more concentrated choice. A traditionally infused green tea offers greater control over strength and may feel gentler.

With breakfast

Black tea provides a fuller, more robust infusion. Tea is best separated from iron-rich meals or iron supplements when iron status is low because its polyphenols can reduce the absorption of non-haem iron.

After a rich meal

Oolong, pu-erh or another dark tea may provide a satisfying, gently bitter conclusion to a meal.

Individual digestive tolerance remains important, especially where reflux is present.

For a gentler afternoon cup

White tea or a lightly brewed green tea may offer a softer infusion, although white tea still contains caffeine.

When less caffeine is wanted

Roasted green teas such as hojicha are often lower in caffeine than matcha or teas made predominantly from young buds. Later infusions made from the same leaves may also be gentler, although caffeine extraction is variable.

In the evening

Naturally caffeine-free rooibos or a true herbal infusion is generally more appropriate than Camellia sinensis for people whose sleep is easily disturbed.

As a fermented drink

Kombucha should be understood as its own preparation rather than as a simple replacement for tea. Its residual sugar, acidity, alcohol content and microbial composition depend upon how it has been produced and stored.

Brewing changes the tea

The same leaves can produce a very different drink depending on how they are prepared.

More leaf, hotter water and a longer infusion generally extract more caffeine and more astringent compounds.

Green and white teas often benefit from cooler water and shorter brewing. Black and many dark teas tolerate higher temperatures and longer contact with water.

A tea that causes nausea or feels overly stimulating may not need to be abandoned completely. Using fewer leaves, cooler water or a shorter infusion can substantially change the experience.

Quality also matters. Loose whole-leaf tea may be infused more than once, with each infusion revealing a different part of the leaf’s character.

Tea is familiar—but never ordinary

Tea began at the meeting point of medicine, nourishment and ritual. It travelled through imperial courts, monasteries, pharmacies, mountain paths, caravan routes, colonial plantations, railway stations and domestic kitchens before becoming one of the most widely consumed drinks in the world. Every culture changed it.

China turned tea into a cultivated art. Korea preserved and transformed its medical and domestic uses. Japan developed matcha and its own disciplined tea traditions. Indigenous Assamese knowledge became the foundation of an enormous Indian industry. India combined strong black tea with milk and its ancient pharmacy of spices. Nepal created a distinctive new Himalayan tea landscape.

The familiarity of tea can make it seem insignificant. In reality, it offers a rare combination: a medicinal plant that can become part of ordinary life without losing its cultural depth or biological complexity.

The next parts of this series will examine the individual teas more closely: how white, green, yellow, oolong, black, matcha and fermented teas differ; what research is uncovering in China, Korea, Japan, India and beyond; how tea interacts with digestion and the microbiome; and how the leaf moved from the teacup into modern skincare.

Tea may be an everyday drink. It is also one of the world’s longest-running experiments in how a plant, taken regularly and intelligently, can become part of a healthier life.

References

Lu H, et al. Earliest tea as evidence for one branch of the Silk Road across the Tibetan Plateau. Scientific Reports. 2016;6:18955.

Lu Yu. The Classic of Tea. Eighth century.

Benn JA. Tea in China: A Religious and Cultural History. University of Hawai‘i Press; 2015.

UNESCO. Donguibogam: Principles and Practice of Eastern Medicine.

Academy of Korean Studies. Hyangyak jipseongbang.

Korea Heritage Service. Uibang yuchwi: Classified Collection of Medical Prescriptions.

Eisai. Kissa Yōjōki: Drinking Tea for Health. Thirteenth century.

Tea Board India. Tea-growing regions, geographical indications and the history of the Indian tea industry.

National Tea and Coffee Development Board Nepal. History of tea cultivation in Nepal.

Camfield DA, et al. Effects of tea, L-theanine and L-theanine with caffeine on cognition, sleep and mood in healthy participants: systematic review and meta-analysis of randomised controlled trials. 2025.

Zhou S, et al. The association between green tea consumption and cognitive function: a meta-analysis of current evidence. Neuroepidemiology. Published online 2025.

Teramoto M, et al. Green tea and coffee consumption and all-cause mortality among persons with and without stroke or myocardial infarction. Stroke. 2021;52:957–965.

Abe SK, et al. Green tea consumption and mortality in Japanese adults: the Japan Public Health Center-based prospective study. Annals of Epidemiology. 2015.

Wang X, et al. Tea consumption and the risk of atherosclerotic cardiovascular disease and all-cause mortality: the China-PAR project. European Journal of Preventive Cardiology. 2020;27:1956–1963.

Unno K, et al. A randomised, double-blinded study evaluating the effect of matcha green tea on human faecal microbiota. Journal of Clinical Biochemistry and Nutrition. 2023.

Charoenchon N, et al. Ultraviolet radiation-induced degradation of dermal extracellular matrix and protection by green tea catechins: a randomised controlled trial. Clinical and Experimental Dermatology. 2022;47:1314–1323.

Clinical note

Tea is a food and traditional medicinal beverage, not a replacement for medical treatment.

Caffeine sensitivity, reflux, pregnancy, iron deficiency and medication use can affect which tea, preparation and serving size are appropriate.

Concentrated green-tea extracts are not equivalent to traditionally prepared tea and require separate safety consideration.

THE HISTORY OF BITTERS Part Two: The Medicinal Wines of Greece and Rome

Mon, 31 Aug 2026 06:19:00 GMT

How measured botanicals, controlled maceration and written formulas began to give bitters a recognisable pharmaceutical form

The decisive change was not that the Greeks and Romans suddenly invented modern bitters. It was that botanical wines became written formulas: plants were measured, tied into linen, steeped for defined periods, strained, transferred and preserved.

From fermented medicine to a written formulary

Part One of this series followed the earliest known lineage of bitters through ancient Egypt, where aromatic herbs, spices, fruits and resins were carried in fermented beer or wine. In the Greek and Roman world, that tradition became more systematic. Wine and fresh grape must were no longer simply ingredients within a compound remedy; they became carefully selected medicinal media in their own right.

This was still not the modern digestive bitter. There was no small bottle of concentrated tincture and no standard aperitif or after-dinner dose. The surviving preparations were medicinal wines made for many different purposes. Yet their structure is increasingly familiar: a defined botanical, a measured quantity of wine or must, a period of contact, and a final act of straining, transferring or sealing.

The Hippocratic tradition: food and drink as medicine

The Hippocratic writers treated food, drink, climate, constitution and daily regimen as active influences on health. In On Ancient Medicine, wine is not described as uniformly good or bad. Its effect depends on its strength, quantity and on the person drinking it. That way of thinking matters to the history of bitters: the vehicle itself had properties, and the physician was expected to understand how it altered the preparation and the patient.

A surviving Hippocratic preparation for ulcer treatment combined frankincense, gall and saffron with unripe-grape juice and an austere, dark and fragrant wine. It was not a beverage bitter, and its wound-use context should not be confused with a digestive tonic. Nevertheless, it shows how deliberately the character of the grape product was chosen. Sour unripe juice, astringent gall, aromatic resin, saffron and wine were made to work as one pharmaceutical composition.

Dioscorides: medicinal wines become technical recipes

The clearest step towards a recognisable bitters formulary appears in the first century CE in De Materia Medica by Pedanius Dioscorides, a Greek physician working within the Roman world. Book V is devoted largely to vines, grapes, wines and related preparations. Its recipes are strikingly practical. Botanicals are pounded, sifted or bruised; some are wrapped in linen and weighted so that they remain submerged; jars are sealed; and maceration may continue for days or months before the wine is strained into a clean vessel.

Wormwood is particularly important. Its powerful bitterness was not disguised or treated as an accidental taste. It was deliberately combined with wine or must, sometimes alone and sometimes balanced by fragrant roots, bark, flowers and fruit. This is one of the points at which bitterness starts to become part of the architecture of the preparation.

Three formulas that show the transition

Wormwood wine — the simple maceration

Historical formula. Wormwood, 1 lb; grape must, 9 gal.

Method. Beat the wormwood, bind it in thin linen and place it in the must for two months; then remove or strain it and store the wine.

Why it matters. The plant is measured, contained in an early infusion bag, given a defined contact time and removed before storage.

Aromatic wormwood wine

Historical formula. Wormwood, 3–4 oz; Syrian nard, cinnamon, cassia, flowers of juncus odoratus and Phoenician dates, 2 oz each; grape must, 9 gal.

Method. Pound the ingredients, place them in the must, seal for two or three months, then strain into other jars.

Why it matters. This is not bitterness alone. Bitter wormwood is layered with aromatic bark, fragrant root, flowers and dates—the same broad architecture that will reappear much later in complex bitters and aromatised wines.

Hyssop wine

Historical formula. Bruised Cilician hyssop leaves, 1 lb; grape must, 9 gal; small stones sufficient to sink the bundle.

Method. Wrap the hyssop and stones in thin linen, submerge the bundle, then strain and transfer the wine after forty days.

Why it matters. The recipe shows deliberate control of extraction: particle preparation, submersion, contact time and separation of the finished liquid.

Dioscorides records many more wines: horehound, betony, dittany, thyme, savory, elecampane, nard, myrrh, iris and several aromatic combinations. Some are distinctly bitter; others are pungent, resinous or intensely fragrant. Together they show that medicinal wine had become a broad formulation system rather than a single remedy.

Rome: the pharmacy enters the agricultural household

The Roman contribution is especially revealing because medicinal wines also appear in agricultural writing. Columella’s De Re Rustica is a practical work concerned with the management of an estate, yet Book XII moves easily between wine production, preservation and remedies. The boundary between cellar and pharmacy was porous.

Columella records wines made with horehound, squill, wormwood, hyssop, southernwood, thyme, fennel, pennyroyal, rosemary and myrtle. Some were fermented with the plant; others used a concentrated herbal portion that was later added to a larger volume of must. The recipes preserve not only ingredients but process decisions—when to harvest, whether to dry the plant, how long to leave it in contact and when to remove it.

Columella’s wormwood wine

Historical formula. Pontic wormwood, 1 Roman lb; grape must, 4 sextarii; one urna of Aminean must.

Method. Boil the wormwood with four sextarii of must until one quarter remains. Cool the remainder and add it to one urna of Aminean must.

Why it matters. Here the bitter fraction is first concentrated and then dispersed into the larger wine volume—a more technically controlled approach than simple maceration.

Historical Note. From the Amineae to Modern Campania. The Latin name Amineae did not describe one uniform grape variety in the modern sense. Pliny distinguished five Aminean vines and placed them at the head of the Italian grapes because their wines combined body with durability. He associated members of this vine family particularly with the vineyards around Mount Vesuvius and the hills of Surrentum, placing them firmly within Campania’s celebrated Roman wine landscape.

The strongest present-day Campanian association is Greco , especially the white grape used for Greco di Tufo in Irpinia. Campanian viticultural tradition and the regional agricultural authority identify Greco with the ancient Aminea Gemina , one of the highly regarded Aminean forms described by Roman agricultural writers. Fresh Greco must is therefore the most historically defensible present-day analogue for Columella’s ingredient.

The connection remains a historical identification rather than a proven genetic descent: no ancient vine securely labelled “Aminean” is available for direct DNA comparison. Fiano, Falanghina, Coda di Volpe and Aglianico are also important old Campanian cultivars, but they are better understood as companions within the same surviving regional wine culture—not as confirmed descendants of the Aminean vines.

Columella’s horehound wine

Historical formula. Dried tender horehound stalks, 8 Roman lb; sweet must, 200 sextarii.

Method. Tie the dried stalks into bundles, add them to the sweet must so that they ferment with it, then remove the horehound and seal the clarified wine.

Why it matters. The plant participates in fermentation itself, preserving the older relationship between botanical medicine and the production of the fermented drink.

Historical Note. How different was this from wine today? Columella’s wormwood wine was not a finished table wine subsequently flavoured with herbs. A concentrated preparation of wormwood and grape must was cooled and added to a much larger quantity of fresh Aminean must, allowing the bitter botanical to become part of the wine as it fermented. The result would have been an unfortified but markedly bitter, herbaceous medicinal wine. It was closer to a fermented botanical preparation than to modern Greco di Tufo, yet also unlike modern vermouth, which is usually compounded from finished wine, several botanicals, sweetening agents and additional alcohol. Its flavour, strength and stability would have depended on spontaneous fermentation, the vintage and the individual cellar.

What had changed?

By the end of this period, several features of the later bitters tradition were already present. Bitter plants were being selected intentionally. Aromatics were used to broaden and balance the sensory profile. Extraction was controlled through bruising, pounding, linen bundles, heat and time. Recipes distinguished between fresh wine, grape must, raisin wine and unripe-grape concentrate. Finished preparations were strained, transferred and stored.

What had not yet appeared was equally important. These were not concentrated spirit tinctures, and they were not yet the proprietary digestifs, amari or cocktail bitters of later centuries. They belonged to a medical and household tradition in which wine functioned simultaneously as ingredient, solvent, preservative and medicine.

The next stage

After Greece and Rome, the tradition did not disappear. Formulas travelled through Byzantine, Arabic and medieval European medicine. Bitter aloe preparations such as Hiera Picra—the “Holy Bitter”—would become influential, while monasteries and apothecaries developed increasingly complex medicinal wines, electuaries, distilled waters and elixirs. That is where Part Three will begin.

Historical note. The quantities and methods above are preserved as historical evidence, not modern instructions. Ancient plant identities, strengths, measures and processes may be uncertain, and several of the botanicals are unsuitable or unsafe for unsupervised use.

References

1. Hippocrates. On Ancient Medicine, trans. Francis Adams. https://classics.mit.edu/Hippocrates/ancimed.html

2. Dioscorides. De Materia Medica, Book V, trans. Tess Anne Osbaldeston (2000), especially the medicinal-wine passages. https://archive.org/details/dioscorides-de-materia-medica-2000-english

3. Columella. On Agriculture, vol. III, Books X–XII, trans. E. S. Forster and Edward H. Heffner. https://archive.org/details/columella0003unse

Editorial basis: Wildberry Book of Bitters research corpus, checked against the cited primary texts. Source units are intentionally preserved; no modern dose conversions have been introduced.

GlyNAC: From Glutathione to Memory and Strength

Sun, 30 Aug 2026 08:11:52 GMT

The Two-Nutrient Combination That Improved Strength, Memory and Glutathione

Two familiar nutrients produced a surprisingly broad set of changes in older adults—from stronger grip and faster walking to improvements in memory and attention. The combination is called GlyNAC .

It is not a new drug. GlyNAC combines:

glycine , a simple amino acid found in the body and in protein-rich foods;
N-acetylcysteine, or NAC , which supplies cysteine.

Why put them together? Because glycine and cysteine are two of the three building blocks the body uses to make glutathione —one of our most important internal antioxidant and cellular protection systems.

Glutathione helps neutralise oxidative stress, supports detoxification, protects mitochondria and maintains the controlled redox environment in which cells function properly. But as we age, glutathione production can become less efficient.

In one study, older adults had approximately 66% less glutathione in their muscles than younger adults. The problem was not simply that their bodies were “using up” more glutathione. They were struggling to produce enough of it. GlyNAC supplied the missing materials.

After 16 weeks, muscle glutathione increased by 164% , returning to levels similar to those measured in younger adults. Oxidative stress fell, while mitochondrial fuel metabolism, insulin sensitivity and inflammatory markers improved.

These cellular changes were accompanied by visible functional changes. Participants developed stronger grip, improved leg strength and walked faster. Systolic blood pressure and waist circumference also decreased.

A related 24-week human study examined cognition. GlyNAC supplementation was associated with improvements in attention, mental processing and cognitive test performance, together with an increase in BDNF—a protein involved in neuronal survival, learning and plasticity.

This is what makes GlyNAC particularly interesting. It is not simply another antioxidant that neutralises free radicals for a short time. It gives the body two of the substrates it needs to rebuild its own glutathione system .

The emerging pathway looks like this:

Glycine + NAC → improved glutathione synthesis → better redox protection → healthier mitochondrial function → improved cellular energy, metabolic regulation, physical function and potentially cognition.

The human studies are still small, but the findings open an important direction in healthy-ageing medicine: sometimes the ageing body may not need another external “anti-ageing” compound. It may need the correct materials to restore the protective systems it already has.

GlyNAC should not be started at research-level doses without clinical guidance. NAC may be unsuitable with certain conditions or medicines.

References

Kumar P, Liu C, Suliburk J, et al. Supplementing glycine and N-acetylcysteine (GlyNAC) in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, physical function and ageing hallmarks: a randomized clinical trial. J Gerontol A Biol Sci Med Sci. 2023;78(1):75–89. doi:10.1093/gerona/glac135
Kumar P, Liu C, Hsu JW, et al. Glycine and N-acetylcysteine supplementation in older adults improves glutathione deficiency, oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, genotoxicity, muscle strength and cognition: results of a pilot clinical trial. Clin Transl Med. 2021;11(3). doi:10.1002/ctm2.372
Kumar P, Osahon OW, Sekhar RV. GlyNAC supplementation in old mice improves brain glutathione deficiency, oxidative stress, glucose uptake, mitochondrial dysfunction, inflammation and neurotrophic factors to reverse age-associated cognitive decline. Antioxidants. 2023;12(5):1042. doi:10.3390/antiox12051042

Disclaimer

This article is provided for educational purposes and does not constitute medical advice or an individual treatment recommendation. The GlyNAC doses used in clinical research were substantial and should not be copied without professional guidance. NAC and glycine may not be appropriate for everyone and may interact with medicines or require additional caution in certain health conditions. Speak to a suitably qualified healthcare practitioner before beginning supplementation.

Anxiety: When the Body’s Alarm System Stays Switched On

Sat, 29 Aug 2026 08:50:56 GMT

Understanding what keeps the nervous system on alert — and how to help it recover.

Anxiety is often described as excessive worrying. At Wildberry Clinic, we see it rather differently.

Anxiety is not simply a state of mind. It is a whole-body response involving the brain, autonomic nervous system, cardiovascular system, breathing, muscles, metabolism, sleep and endocrine signalling.

At an appropriate level, anxiety is useful. It is part of our normal survival response. When the brain perceives danger or uncertainty, the body becomes more alert: heart rate may rise, breathing changes, muscles prepare for action and attention becomes more focused.

A healthy nervous system should then be able to settle once the challenge has passed. The problem begins when the alarm system remains switched on.

Anxiety Is a Symptom — But What Is Driving It?

At Wildberry Clinic, our first question is rarely: “What can we give you for anxiety?” We want to know: “Why is your nervous system remaining on alert?”

Two patients can both describe themselves as anxious and yet have very different underlying patterns. One may be chronically sleep-deprived and relying heavily on caffeine. Another may have been under prolonged emotional stress and become persistently hypervigilant. Another may be experiencing hormonal change, unstable energy and poor recovery. And occasionally, symptoms that appear to be anxiety may be associated with a medical issue that needs investigation.

This is why we do not begin with a generic bottle of “calming herbs”. We begin with the person.

What We Assess

Our consultation looks beyond the anxiety itself. We explore when it began, what was happening around the time it started, what makes it worse or better, and whether there are particular times of day when symptoms intensify. We also look carefully at the physical picture. That may include:

sleep quality and waking patterns
fatigue and energy fluctuations
caffeine and stimulant intake
alcohol
meal patterns and possible blood-sugar instability
digestive symptoms
menstrual or menopausal changes
thyroid symptoms
cardiovascular symptoms such as palpitations
medications and supplements
physical activity
chronic pain or illness
psychological stress and major life events
workload, overstimulation and opportunities for recovery

Where the history suggests that medical investigation may be appropriate, we may recommend discussing relevant testing or symptoms with the patient's GP. The purpose is not to medicalise every episode of anxiety. It is to avoid assuming that every anxious patient has exactly the same problem.

Understanding the Stress-System Pattern

One pattern we commonly see is prolonged activation of the body's stress response. The sympathetic nervous system is the part of the autonomic nervous system that helps prepare us for action. During genuine danger, this is extremely useful. But repeated psychological stress, poor sleep, excessive stimulation and inadequate recovery may contribute to a state in which the body becomes increasingly accustomed to vigilance.

The patient may describe themselves as: T ired but unable to switch off. There may be muscle tension, shallow or irregular breathing, disturbed sleep, digestive symptoms, a noticeably beating heart, irritability and difficulty concentrating.

Those physical sensations can themselves become part of the anxiety cycle. Perceived threat leads to:

→ nervous-system activation
→ physical sensations
→ increased awareness of those sensations
→ interpretation as danger
→ further nervous-system activation

Our aim is therefore not simply to suppress anxious thoughts. We work on changing the conditions that keep reinforcing the alarm response.

Herbal Medicine: Not Simply “Sedating” the Patient

Herbal medicine can be extremely useful in an integrative anxiety programme, but the prescription needs to reflect the patient's individual pattern. We do not have a single Wildberry “anxiety formula”.

A patient who is exhausted, tense and unable to sleep may require a very different herbal approach from somebody whose anxiety is accompanied by marked palpitations, digestive disturbance or menopausal symptoms.

Herbal prescribing may therefore be directed towards several different therapeutic goals.

Supporting nervous-system regulation

Certain medicinal plants have traditionally been used to reduce nervous tension and support a calmer autonomic state. Depending on the patient, herbs such as Passiflora incarnata , Melissa officinalis , Avena sativa , Matricaria chamomilla or other appropriate nervines may form part of the prescription.

The choice is made according to the wider clinical picture rather than simply because a plant is labelled “for anxiety”.

Addressing sleep

Sleep and anxiety frequently reinforce one another. Poor sleep makes the nervous system more reactive the following day, while an activated nervous system makes sleep more difficult. When this is a significant part of the presentation, the herbal prescription and treatment plan may place considerable emphasis on restoring sleep rather than simply trying to calm the patient during the day.

Supporting stress-system recovery

Some patients present after months or years of sustained demand. They may no longer feel conventionally “stressed”. Instead they describe fatigue, poor concentration, low resilience, disturbed sleep and a disproportionate physical response to relatively small challenges.

Here we may work more broadly on recovery: reducing unnecessary stimulation, rebuilding regular daily rhythms, improving nourishment and choosing herbs according to the patient's level of activation and exhaustion.

Treating the associated physiological pattern

Herbs may also be selected for other systems involved in the individual presentation. For example, anxiety accompanied by digestive disturbance may require gastrointestinal support.

Anxiety occurring alongside menopausal symptoms may need an entirely different therapeutic strategy.

Where there are prominent cardiovascular sensations such as a racing or pounding heart, these need to be assessed appropriately rather than automatically attributed to anxiety.

The herbal prescription therefore becomes part of a broader clinical strategy rather than a collection of sedative plants.

Caffeine: One of the First Things We Look At

Caffeine deserves particular attention. Its physiological effects can resemble the symptoms of anxiety: increased alertness, restlessness, tremor, sleep disturbance and a stronger awareness of the heartbeat. Research increasingly supports a dose-related association between caffeine and anxiety, particularly at higher intakes.

For someone whose nervous system is already highly activated, several coffees a day may therefore be perpetuating the very symptoms they are trying to treat. This does not mean everyone with anxiety must stop drinking coffee. But we do want to know how much, how strong and how late in the day . Sometimes reducing nervous-system stimulation is more useful than adding another supplement.

Nutrition and Stable Energy

We also look at how the patient is eating. Long gaps between meals, a diet dominated by refined carbohydrates, repeated sugar cravings and large fluctuations in energy can produce physical sensations that are uncomfortable in somebody who is already hypervigilant.

Our dietary recommendations therefore aim to create a steadier physiological environment.

That usually means regular nourishing meals, sufficient protein, adequate fibre and whole foods, and avoiding the repeated cycle of stimulation followed by an energy crash.

We are not trying to treat an anxiety disorder with food. We are removing unnecessary physiological stress from a nervous system that is already working too hard.

Movement Rather Than Exhaustion

Physical activity can be an important part of anxiety management, but again we individualise it.

Someone who is sedentary may benefit enormously from regular walking, strength work and outdoor movement. But a profoundly exhausted patient who is already overtraining does not necessarily need more high-intensity exercise. The question is: What type of movement helps this particular nervous system regulate and recover?

For many patients, walking outdoors, regular moderate exercise and strength training become part of rebuilding that resilience.

Reducing the Continuous Signal of Threat

Modern nervous systems receive very little true downtime. A person can wake to a phone alarm, check messages in bed, listen to news while getting ready, answer emails over breakfast, move between multiple screens all day and continue scrolling into the evening.

None of these activities is individually dramatic. Together, they can create almost continuous cognitive stimulation. For some patients we therefore prescribe something deceptively simple:

less input.

Periods without news.
Periods without social media.
Doing one task rather than three simultaneously.
Walking without a phone.
Eating without working.

Allowing the nervous system periods in which nothing is demanding an immediate response.

These are not lifestyle clichés. They are part of reducing the number of signals repeatedly asking an already vigilant brain to remain alert.

What About Vitamins and Supplements?

Nutritional deficiencies can contribute to poor neurological and psychological health, and where a deficiency is present it should be corrected. But at Wildberry Clinic we do not assume that anxiety automatically means magnesium deficiency, vitamin D deficiency or B-vitamin deficiency.

Nor do we believe that increasing supplements indefinitely is a substitute for understanding the patient.

Supplements are used when there is a rational reason for them. The central question remains:

What is driving this pattern?

Our Goal Is Nervous-System Flexibility

Our objective is not to eliminate anxiety. That would neither be possible nor desirable.

A healthy nervous system should be capable of responding strongly when there is genuine danger or challenge. What we want to restore is flexibility . The ability to become alert when necessary.

And the ability to return to a calmer physiological state afterwards.

At Wildberry Clinic, our integrative approach may therefore combine: clinical assessment + herbal medicine + nutrition + sleep restoration + appropriate movement + nervous-system regulation + reduction of unnecessary physiological and cognitive stress

The exact combination is different for every patient. Because anxiety is not one single disorder with one single cause. And treating it intelligently begins by asking a better question than:

“What can I take to calm myself down?” I t begins with: “Why is my alarm system staying switched on?”

When Medical or Psychological Support Is Needed

Herbal medicine and integrative care can form part of the management of anxiety, but they are not a substitute for appropriate medical or psychological treatment when this is required.

New or severe anxiety, significant deterioration in daily functioning, recurrent panic attacks, severe depression or thoughts of self-harm should be assessed appropriately. Sudden chest pain, severe breathlessness, fainting, new neurological symptoms or significant changes in heart rhythm should not automatically be attributed to anxiety. At Wildberry Clinic, part of good integrative care is recognising when another healthcare professional should also be involved.

References

National Institute for Health and Care Excellence (NICE). Generalised anxiety disorder and panic disorder in adults: management. CG113. NICE recommends a comprehensive assessment that considers functional impairment, medical comorbidity, substance use and previous treatment rather than relying only on symptom severity.
World Health Organization. Anxiety disorders. Updated 2025. Overview of anxiety disorders, including psychological and physical symptoms, contributing biological and social factors, and evidence-based treatment approaches.
Liu C, et al. The effects of caffeine on anxiety and panic attacks in patients with panic disorder and healthy adults: a systematic review and meta-analysis. The evidence supports an anxiogenic effect of caffeine, particularly at higher doses and in susceptible individuals.
Sleep disturbances in generalized anxiety disorder: the central role of insomnia. 2025. Reviews the bidirectional relationship between insomnia and anxiety and the shared mechanisms through which poor sleep may perpetuate anxiety symptoms.
Stubbs B, et al. The anxiolytic effects of exercise for people with anxiety and related disorders: an update of the available meta-analytic evidence. Psychiatry Research. 2021;302:114046. Exercise was associated with a modest reduction in anxiety symptoms, although the optimal type, intensity and duration remain uncertain.
Su H, et al. The effects of exercise on generalized anxiety symptoms in adults: a systematic review and meta-analysis. BMC Sports Science, Medicine and Rehabilitation. 2026;18:322. More recent evidence suggests exercise may help reduce generalized anxiety symptoms, although heterogeneity between studies remains high.
Yeung KS, Hernandez M, Mao JJ, Haviland I, Gubili J. Herbal medicine for anxiety: a systematic review and network meta-analysis. 2022. The review found encouraging but variable evidence across individual medicinal plants and emphasised that efficacy cannot be assumed for all traditionally used anxiolytic herbs.

This article is intended for educational purposes and does not replace individual medical diagnosis or treatment.

From Grape to Pharmacy: Fruit, Skin, Pips, Juice and Red Vine Leaf

Fri, 28 Aug 2026 10:17:59 GMT

One vine, five medicinal materials—from ancient remedy to modern pharmacy

More than a bowl of fruit

Split open a dark grape and you reveal a small pharmacy in miniature. The juicy pulp supplies water, sugars and organic acids. Around it lies a deeply coloured skin rich in protective pigments. At its centre sit bitter, astringent pips containing concentrated procyanidins. Press the fruit and it becomes an entirely different preparation; harvest the right leaves and the same plant provides one of Europe’s established herbal medicines for tired, heavy and swollen legs.

All of these materials come from Vitis vinifera, the common grapevine, but they are not versions of the same remedy. Fruit, juice, skin, pips and red vine leaf each have their own chemistry, preparation and place in medicine.

That is what makes the grapevine so fascinating. It is familiar enough to sit in a fruit bowl, ancient enough to appear in the earliest surviving medical texts, and pharmaceutically sophisticated enough to produce standardised extracts used today.

Meet Vitis vinifera

The grapevine is a long-lived woody climber in the Vitaceae family. Its twisting tendrils, broad leaves and hanging clusters have been part of cultivated landscapes for thousands of years, from Western Asia and the Mediterranean to vineyards across Europe and, eventually, much of the world.

Within this single species are thousands of cultivated varieties. Some were selected for large, sweet table grapes; some for drying into raisins; some for pressing; and others for their colour, acidity, flavour or ability to thrive in a particular climate. Those differences are not merely culinary. They help determine which medicinal compounds are present and where they are concentrated.

Green or “white” grapes contain flavonols and phenolic acids but little anthocyanin pigment. Red, purple and black grapes store anthocyanins mainly in their skins, which is why the flesh of most dark grapes remains pale when the berry is cut. The unusual teinturier grapes are coloured differently: both their skins and their pulp are red. Certain teinturier cultivars also produce the uniformly dark-red leaves required for pharmacopoeial red vine leaf.

Pips create another important divide. Seeded grapes contain a naturally concentrated store of catechins and procyanidins. Seedless table grapes may still provide coloured skins and other polyphenols, but they cannot supply grape-pip medicine. Rather than asking which grape is “best”, it is more useful to ask what we want from the vine.

The whole grape: medicine on the table

Fresh grapes are first and foremost a food, but food can still have medicinal value. They provide water, potassium, organic acids and fibre, with much of their polyphenol content held in the skin and, when present, the pips. Dark grapes add anthocyanins—the red, purple and blue pigments also found in berries—while seeded grapes bring additional astringent compounds.

Their strength lies in this complete food matrix. The sugars arrive with water, fibre and a complex mixture of plant constituents rather than as an isolated compound. Grapes can therefore be a useful part of a varied, heart-conscious diet, particularly when they replace highly refined sweets and snacks.

Human studies of whole grape products have explored blood pressure and vascular function. A 2023 review of 30 randomised trials found a small average reduction in systolic blood pressure, with the most encouraging results seen in whole forms such as grapes, raisins and grape powder. This does not turn grapes into a treatment for hypertension, but it supports their place among the colourful plant foods that help care for cardiovascular health over time.

Raisins belong to the same family of food medicine, although drying changes the portion dramatically. With most of the water removed, sugars, energy and plant compounds are packed into a much smaller volume. A handful of raisins is not nutritionally equivalent to a handful of fresh grapes.

The skin: the vine’s protective shield

The skin is where a grape meets the outside world. It protects the berry from sunlight, physical damage and microorganisms, and many of its best-known compounds are part of that defence system.

In dark grapes, anthocyanins give the skin its jewel-like colour. Flavonols contribute further antioxidant and protective activity. Stilbenes—including resveratrol and its related glycosides—are produced in response to environmental stress. Their levels vary with the grape variety, ripeness, climate, sunlight, fungal pressure, harvesting and processing. This is why skin colour alone cannot tell us exactly how much resveratrol a grape contains.

Grape skins are used today in pomace powders and concentrated polyphenol extracts. Pomace is the mixture of skins, pips and other solids left after pressing. Once treated as little more than a by-product, it is now recognised as a valuable source of plant compounds for food, nutritional and pharmaceutical preparations.

Resveratrol may be the celebrity molecule of grape skin, but the skin is more interesting than any one constituent. Its anthocyanins, flavonols, phenolic acids and stilbenes work as a natural chemical community. Modern extracts may be characterised for one group of compounds, yet the original material remains a broad-spectrum plant matrix.

Research continues into grape-skin polyphenols in vascular health, inflammation, oxidative stress and healthy ageing. Their most established current role is as an ingredient in characterised polyphenol preparations rather than as a stand-alone medicine for a single disease.

The pips: small, bitter and concentrated

Grape pips are easy to discard, but their bitterness is a clue to their chemistry. They are rich in catechin and epicatechin, along with chains of related compounds called procyanidins or proanthocyanidins . These polyphenols account for the pips’ dry, mouth-puckering astringency.

Today the pips give rise to two very different products. Grape-seed oil comes from the fatty portion and is rich in unsaturated fats, especially linoleic acid. It is used chiefly as a culinary and skincare oil. Grape-seed extract is made to concentrate the polyphenols instead, particularly the procyanidins. The oil and the extract may share an origin, but they do not share the same composition or purpose.

Standardised grape-seed extracts are used for vascular and antioxidant support. Their procyanidins have been studied for effects on blood-vessel tone, endothelial function, capillary integrity and oxidative stress. Clinical research has also examined their influence on blood pressure. In a double-blind trial involving adults with prehypertension, a defined grape-seed extract taken for six weeks reduced blood pressure during the treatment period, with values moving back towards baseline after it was stopped.

This is where pharmaceutical preparation matters. A standardised extract supplies a measured concentration of procyanidins; eating a few whole pips does not reproduce that dose. The medicinal product is not simply the raw seed but the carefully prepared, characterised extract.

The juice: what changes when the grape is pressed

Juice looks like a simple extension of the fruit, but pressing changes the way the grape reaches the body. Water, sugars, acids and soluble plant compounds move into the liquid, while much of the fibre remains behind with the skins and pips.

Purple grape juice can carry anthocyanins and other phenolics from dark skins, especially when the juice has remained in contact with them during processing. Cultivar, temperature, filtration, clarification and storage all shape the final drink, which is why two grape juices may differ greatly in colour and polyphenol content.

Grape juice has been studied for its effects on blood vessels, platelet activity and antioxidant status. It can provide a useful food-based source of polyphenols, but it also delivers natural sugars quickly and without the intact fibre of the whole fruit. In everyday nutrition, whole grapes are therefore usually the more balanced choice. Juice has its own place—as a measured drink or nutritional preparation—but it should not be mistaken for fruit in liquid form.

Red vine leaf: the vine becomes a medicine

Of all the materials obtained from Vitis vinifera, red vine leaf has the clearest identity as a European herbal medicine. Known in France as vigne rouge , it is used particularly for the discomfort of poor venous circulation: heavy, tired or aching legs, swelling, tension, itching and calf cramps.

Medicinal red vine leaf is not simply any grape leaf collected after it changes colour in autumn. The French Pharmacopoeia specifies the dried leaves of teinturier cultivars that bear black grapes with red pulp. The leaves must be uniformly dark red and meet defined minimum levels of total polyphenols and anthocyanosides. The cultivar, harvest time, colour and chemical quality are all part of the medicine’s identity.

The leaves contain flavonoids, anthocyanins and proanthocyanidins that act particularly on the venous microcirculation. They help support the delicate lining and connective tissues of small blood vessels, reduce excessive capillary permeability and limit the movement of fluid into the surrounding tissues. In practical terms, this can mean less pooling, swelling and discomfort in the lower legs.

The European Medicines Agency recognises a defined dry aqueous extract of red vine leaf for chronic venous insufficiency. In a placebo-controlled clinical trial, people taking the extract for 12 weeks experienced a modest reduction in lower-leg swelling and some improvement in pain. Traditional forms of red vine leaf, including infusions, also have a long-standing European use for minor venous circulatory symptoms and capillary fragility.

A medicinal history more than 3,500 years old

People cultivated grapes long before they began writing medical books, so there can be no single date for the vine’s first medicinal use. The earliest clear written evidence comes from ancient Egypt. The Ebers Papyrus , compiled around 1550 BCE, includes grapes or raisins and grape-derived liquids among its medicinal ingredients. This places the grapevine within recorded pharmacy more than three and a half millennia ago.

Greek physicians later made distinctions that still feel surprisingly modern. The Hippocratic writings differentiated ripe grape products from the sharply astringent juice of unripe grapes, selecting them for different effects. In the first century CE, Dioscorides discussed ripe grapes, raisins and unripe juice, while Pliny the Elder recorded medicinal uses of the fruit, skins, leaves and other parts of the vine.

These early writers did not know about anthocyanins, stilbenes or procyanidins, but they understood something fundamental: the vine was not one uniform remedy. Ripeness mattered. Plant part mattered. Preparation mattered.

The pips, interestingly, were seldom described as an independent medicine in the ancient texts. Modern grape-seed extract belongs to a later chapter, made possible by extraction technology and the ability to identify, concentrate and standardise a particular group of compounds.

From an ancient vine to a modern pharmacy

The grapevine now occupies several worlds at once. Whole grapes and raisins belong to nutritional medicine. The skins supply anthocyanin- and stilbene-rich materials. The pips are the source of procyanidin extracts and a separate culinary oil. Juice offers soluble polyphenols in a low-fibre liquid form. Authenticated red vine leaf has a recognised role in European herbal medicine for venous symptoms.

What links them is not a promise that every grape product does everything. It is the more interesting truth that a single plant can develop specialised chemistry in each of its parts—and that medicine changes when we choose a different part, variety or preparation.

The grapevine has travelled with us from the earliest written remedies to the modern pharmacopoeia. We may understand its chemistry in far greater detail today, but the enduring lesson is beautifully simple: look closely at the plant, because every part has its own story to tell.

A brief note on safe use

Whole grapes and juice contribute to total carbohydrate intake, which matters particularly for people managing diabetes or insulin resistance. Concentrated grape-skin and grape-seed products should be checked alongside anticoagulant, antiplatelet, blood-pressure and glucose-lowering medicines, and before surgery.

Red vine leaf is intended for appropriate venous symptoms, not unexplained swelling. Sudden one-sided swelling, redness, heat or severe pain—and any swelling accompanied by chest pain or breathlessness—requires urgent medical assessment. Persistent swelling should also be investigated rather than self-treated. The safety of medicinal red-vine-leaf preparations during pregnancy and breastfeeding has not been established.

Disclaimer

This article is for education and does not replace individual medical assessment or treatment. Historical uses are included as documentary evidence, not as instructions for reproducing ancient remedies.

References

European Medicines Agency. European Union herbal monograph on Vitis vinifera L., folium, Revision 1. EMA/HMPC/464684/2016. EMA monograph .
Agence nationale de sécurité du médicament et des produits de santé. Pharmacopée française: Vigne rouge (1996). French Pharmacopoeia monograph .
Organisation Internationale de la Vigne et du Vin. Liste des descripteurs OIV pour les variétés et espèces de Vitis, 3rd ed. OIV-VITI 702-2023. OIV .
Rabe E, Stücker M, Esperester A, Schäfer E, Ottillinger B. Efficacy and tolerability of a red-vine-leaf extract in patients suffering from chronic venous insufficiency: results of a double-blind placebo-controlled study. Eur J Vasc Endovasc Surg. 2011. doi:10.1016/j.ejvs.2010.12.003.
Ashoori M, Soltani S, Kolahdouz Mohammadi R, et al. The effect of whole grape products on blood pressure and vascular function: a systematic review and meta-analysis of randomized controlled trials. Nutr Metab Cardiovasc Dis. 2023;33(10):1836–1848. doi:10.1016/j.numecd.2023.05.001.
Park E, Edirisinghe I, Choy YY, Waterhouse A, Burton-Freeman B. Effects of grape seed extract beverage on blood pressure and metabolic indices in individuals with pre-hypertension: a randomised, double-blinded, placebo-controlled trial. Br J Nutr. 2016;115(2):226–238. PubMed .
Romero-Pérez AI, Lamuela-Raventós RM, Andrés-Lacueva C, de la Torre-Boronat MC. Method for the quantitative extraction of resveratrol and piceid isomers in grape berry skins. J Agric Food Chem. 2001;49(1):210–215. doi:10.1021/jf000745o.
Shi J, Yu J, Pohorly JE, Kakuda Y. Polyphenolics in grape seeds—biochemistry and functionality. J Med Food. 2003;6(4):291–299. doi:10.1089/109662003772519831.
Popko L, Sinclair A, translators. Papyrus Ebers—Translation and Commentary. Science in Ancient Egypt. Ebers 291 and 479.
Hippocrates. On Ulcers, Parts 5 and 9. Translated by Francis Adams.
Dioscorides P. De Materia Medica, Book V. Translated by John Goodyer; edited by Robert T. Gunther.
Pliny the Elder. Natural History, Book XXIII. Translated by W. H. S. Jones.

THE HISTORY OF BITTERS Part One: Ancient Egypt - Before the Bitter Principle

Mon, 24 Aug 2026 11:55:01 GMT

Where the story of bitters begins—not with bitterness, but with spices, herbs and fermentation.

Long before bitters became associated with gentian, wormwood, aromatic roots or the ritual of a small glass before dinner, the ancient Egyptians were already combining medicinal plants with fermented drinks.

But we should be careful with the word bitters. Ancient Egyptian physicians were not formulating around a clearly defined “bitter principle.” Their surviving medical texts do not present bitterness itself as the central therapeutic mechanism, nor do they describe a recognisable class of digestive bitter tonics.

Instead, their remedies were organised around the complaint, the ingredients, the method of preparation and—crucially—the medium that carried them. The instruction was more likely to be:

grind, mix, steep, leave overnight, strain and drink.

The resulting preparation might contain aromatic seeds, herbs, fruits, resins, honey and strongly flavoured plants. Some ingredients were undoubtedly bitter, but bitterness was only one note within a much broader medicinal landscape.

Beer as an everyday medicinal medium

Beer was one of the foundations of Egyptian life. Along with bread, it was a staple food: cloudy, cereal-based and nutritionally important, rather than simply a recreational drink. The Metropolitan Museum of Art describes ancient Egyptian beer as thicker and probably less alcoholic than modern beer.

It also appears repeatedly in medical preparations. The Ebers Papyrus, compiled around the sixteenth century BCE from still older medical traditions, distinguishes several kinds of beer, including sweet beer and beer sediment. This suggests that the particular character of the fermented medium mattered to the preparation.

One formula, known as Ebers 6, combines figs and fruit of the desert-date palm with sweet beer. Another, Ebers 19, brings together plant material traditionally interpreted as castor, dates, tigernut, bryony and coriander with beer sediment. The mixture was left overnight, filtered and taken over several days.

These were not “bitters” in the later sense. They were complex preparations in which sweet fruits, aromatic seeds, medicinal plants and a fermented cereal base worked together. Beer could serve several purposes at once:

as a familiar and readily available carrier;
as a liquid in which powdered or crushed ingredients could be dispersed;
as a fermented medium capable of extracting some plant constituents differently from water;
as a way of modifying or masking difficult flavours;
and, in some prescriptions, as part of the medicine rather than merely an inactive vehicle.

Wine, herbs and resins

Wine occupied a different place. It was less commonplace than beer and more closely associated with status, ritual and special occasions. Yet it also became an important medium for medicinal plants.

Chemical analysis of a vessel from the tomb of King Scorpion I at Abydos, dating to approximately 3150 BCE, provided some of the earliest direct evidence for wine containing botanical and tree-resin additives.

The tomb contained hundreds of wine jars. Analysis of the residues identified grape wine together with plant materials, and researchers described preparations involving pine resin, figs and aromatics such as balm, coriander, mint and sage.

This evidence predates the Ebers Papyrus by well over a millennium. It shows that plants were being added to fermented beverages long before written Egyptian medical recipes appeared. McGovern, Mirzoian and Hall, 2009

The wine jar was therefore more than a container for a drink. It could become a place of extraction, preservation, blending and transformation.

Spices before bitters

The Egyptian approach was not centred upon isolating one dominant bitter herb. It was more expansive and aromatic. Coriander, mint-like herbs, resins, fruits, seeds, honey and strongly flavoured plants were combined into layered preparations. These mixtures could be sweet, sour, resinous, spicy, aromatic and sometimes bitter—all at once.

Spices and aromatics were not used merely to improve flavour. They were part of the medicinal substance of the preparation. Crushing, soaking, fermenting, heating and filtering transformed the raw ingredients and transferred some of their constituents into the chosen medium.

Egyptian medicine employed numerous such vehicles: water, beer, wine, oils, animal fats, milk and honey. Modern analysis of the papyri suggests that these substances functioned both as carriers and, in many cases, as active ingredients in their own right. Sridi, 2022

The Egyptians did not possess our biochemical language of water-soluble, alcohol-soluble and fat-soluble compounds. Yet through observation and repeated practice, they developed different methods for preparing plants in aqueous, fermented, fatty and honey-based media.

The beginning of the bitters lineage

Ancient Egypt did not yet give us the bitter tonic, the digestive aperitif or the carefully structured amaro. What it gave us was something more fundamental: the medicine-bearing fermented drink .

Beer and wine provided the matrix. Fruits and honey softened or enriched it. Spices, aromatic herbs and resins supplied complexity. Grinding, steeping, fermenting and filtering converted separate ingredients into a preparation.

The early lineage of bitters therefore begins not with bitterness alone, but with a broader pharmaceutical idea: plants could be transformed by the medium in which they were prepared.

From Egyptian medicated beer and botanical wine, the story will move into the Greek world, where medicinal wines became more clearly associated with named herbs, digestion and the therapeutic significance of taste.

Disclaimer

This article explores the history of herbal medicine and is intended for education only. Ancient Egyptian formulations should not be recreated or used as medical treatments. Historical use does not establish modern safety, efficacy or an appropriate dose.

References

McGovern PE, Mirzoian A, Hall GR. Ancient Egyptian herbal wines. Proceedings of the National Academy of Sciences. 2009;106(18):7361–7366. DOI: 10.1073/pnas.0811578106
Sridi Y. “Remedy Preparation” Skills of Egyptian Physicians: Plants Transformations, Vehicles and Galenics. Aegyptus et Pannonia VIII. 2022:157–174. DOI: 10.71067/AePVIII-2022-157-174
Bryan CP. The Papyrus Ebers. London: Geoffrey Bles; 1930. Digitised edition
Oppenheim A. Food and Feasts in Middle Kingdom Egypt. The Metropolitan Museum of Art .

Research in Focus: Hypertension May Be More Than a Pressure Problem

Mon, 24 Aug 2026 11:34:49 GMT

What inflammation resolution is teaching us about vascular damage, arterial stiffness and a possible new therapeutic target

For decades, hypertension has largely been explained through a combination of increased sympathetic nervous system activity, activation of the renin–angiotensin–aldosterone system, altered kidney sodium handling and changes in vascular resistance. These mechanisms remain fundamental.

But research is adding another important layer to the picture: chronic immune activation and, particularly, the failure to properly resolve inflammation may help maintain vascular dysfunction and drive the organ damage associated with hypertension.

A recent experimental study examining a compound called Cmpd17b offers an interesting glimpse into this emerging field.

Inflammation is not simply something that has to be “switched off”.

Inflammation is a normal protective response to tissue injury, infection or metabolic stress. Importantly, however, ending an inflammatory response is not passive. The body actively initiates a highly coordinated resolution programme designed to:

stop further inflammatory-cell recruitment;
remove damaged cells and debris;
change macrophage behaviour;
promote tissue repair;
restore vascular and immune homeostasis.

This involves specialised pro-resolving mediators such as resolvins, protectins, maresins and lipoxins, together with other signalling molecules, regulatory immune cells and processes such as efferocytosis — the clearance of dying cells. When these mechanisms do not work effectively, inflammation may fail to return completely to baseline. Instead, tissues can remain in a state of persistent, low-grade inflammatory activation. A growing body of research suggests that this may be particularly relevant in hypertension.

How could unresolved inflammation affect blood pressure?

Hypertension does not develop through a single pathway. Sympathetic nervous system activation, angiotensin II, aldosterone, oxidative stress, metabolic dysfunction and altered kidney sodium handling all interact. Inflammation appears to sit within this network rather than outside it. For example:

Angiotensin II and oxidative stress

↓

immune activation and inflammatory signalling

↓

reduced endothelial nitric oxide availability

↓

poorer vasodilation

↓

increased vascular resistance

At the same time, persistent inflammatory signalling can promote:

vascular smooth-muscle activation → extracellular-matrix deposition → fibrosis → arterial stiffness

A stiffer artery cannot expand as effectively with each heartbeat. This increases the haemodynamic load on the circulation and can contribute particularly to elevated systolic blood pressure.

The process can therefore become self-reinforcing:

high blood pressure → vascular stress → inflammation and remodelling → increasing arterial stiffness → further haemodynamic stress.

A different approach: resolve rather than simply suppress inflammation

This is where the recent research becomes particularly interesting. Researchers studied compound 17b, or Cmpd17b, a small molecule that activates formyl peptide receptors FPR1 and FPR2.

FPRs are G-protein-coupled receptors involved in immune signalling and the regulation of inflammatory resolution. Rather than acting like a conventional anti-inflammatory drug that broadly suppresses inflammatory pathways, Cmpd17b was designed to favour signalling associated with resolution, cell survival and tissue protection.

Researchers tested the compound in mice in which hypertension was induced using angiotensin II.

What did they find?

Cmpd17b produced a moderate reduction in blood pressure.But something more striking happened in the cardiovascular tissues. Compared with untreated hypertensive mice, animals receiving Cmpd17b showed improvements in cardiovascular function accompanied by reductions in:

cardiac fibrosis;
aortic fibrosis;
vascular calcification;
pathological cardiovascular remodelling.

The treatment also influenced mitochondrial function and altered proteins involved in inflammation, calcium regulation, extracellular-matrix organisation and cardiovascular structure.

Proteomic analysis identified approximately 6,000 proteins, allowing the researchers to examine how hypertension altered entire molecular networks rather than individual biomarkers.

Importantly, some of the protein changes affected by Cmpd17b in mice overlapped with proteins known to be dysregulated in human cardiac hypertrophy and adverse aortic remodelling.

The most interesting finding may not have been the fall in blood pressure

The blood-pressure reduction was relatively modest. Yet the improvement in cardiovascular tissue damage was considerably more pronounced.That distinction matters. It suggests that some of the damage associated with hypertension may not simply be the mechanical consequence of blood pushing too strongly against the arterial wall.

There may be parallel biological processes — inflammation, mitochondrial dysfunction, oxidative stress and abnormal tissue remodelling — that continue contributing to cardiovascular risk even when blood pressure itself is being treated.

An accompanying editorial highlighted precisely this possibility: targeting inflammatory resolution could potentially address some of the residual cardiovascular damage that cannot be explained by blood-pressure reduction alone.

Does this mean scientists have discovered a “third cause” of hypertension?

Not quite. Headlines describing inflammation as a newly discovered “third cause of hypertension” make the research sound more revolutionary — and simpler — than it actually is. Inflammatory and immune mechanisms in hypertension have been studied for years. What is newer and particularly interesting is the shift from asking: “How can we suppress inflammation?” to asking: “Why did the inflammatory response fail to resolve?”

These are biologically different questions. The latter opens the possibility of supporting physiological pathways that actively restore immune and vascular balance rather than chronically blocking inflammatory signalling.

A more complete model of hypertension

Instead of thinking about hypertension as the result of only one or two pathways, contemporary research increasingly supports a network model:

Sympathetic nervous system

↕

RAAS / angiotensin II / aldosterone

↕

Kidney sodium and fluid regulation

↕

Endothelial dysfunction

↕

Oxidative stress

↕

Metabolic dysfunction

↕

Immune activation and impaired inflammation resolution

↓

vasoconstriction + sodium retention + reduced nitric oxide + vascular remodelling

↓

arterial stiffness + cardiac and renal damage

↓

persistent hypertension

Different elements of this network may dominate in different people. This is one reason hypertension should not always be viewed as one disease with one mechanism.

The Wildberry Perspective

This research reinforces an important principle in cardiovascular medicine: lowering the number on the blood-pressure monitor and improving the biological health of the cardiovascular system are closely related — but they are not necessarily identical goals.

Blood-pressure control remains fundamental and proven antihypertensive medicines remain essential when indicated. But cardiovascular health also depends on endothelial function, vascular elasticity, mitochondrial function, metabolic health, kidney regulation, inflammatory signalling and the structural integrity of the vascular wall.

The research on Cmpd17b is still preclinical. It was performed predominantly in an angiotensin-II-induced mouse model of hypertension, and the compound is not an established treatment for human hypertension. We therefore cannot assume that the same benefits will occur in patients.

What the study does provide is an intriguing mechanistic direction. Rather than treating chronic inflammation simply as something to suppress, future cardiovascular therapies may increasingly investigate how to restore the body's ability to complete inflammation and return the tissue to homeostasis.

For herbal medicine, this is also an interesting research question. Medicinal plants are frequently described simply as “anti-inflammatory.” A much more sophisticated question is whether particular phytochemicals can influence resolution biology, endothelial signalling, macrophage phenotype, specialised pro-resolving mediator pathways, oxidative stress and tissue remodelling.

That is a considerably more interesting direction for cardiovascular botanical research than asking whether a plant merely lowers a single inflammatory marker.

References

Singh A, et al. Novel formylpeptide receptor 1/2 agonist limits hypertension-induced cardiovascular damage. Cardiovascular Research. 2024;120(11):1336–1352.

Beyond the numbers in treating hypertensive end-organ damage: role of formyl peptide receptor agonist Cmpd17b. Cardiovascular Research. 2024;120(11):1239–1241.

Resolution of inflammation, an active process to restore the immune microenvironment balance: A novel drug target for treating arterial hypertension. Ageing Research Reviews. 2024;99:102352.

Research in Focus examines emerging scientific research relevant to health and medicinal-plant practice. Experimental findings, particularly studies conducted in animals or laboratory models, should not be interpreted as evidence that an intervention is effective or safe in humans. This article is for educational purposes and does not replace individual medical assessment or treatment.

Clinical Insight: Night-Time Leg Cramps — It Isn’t Always Magnesium

Mon, 24 Aug 2026 11:17:03 GMT

A patient recently came to Wildberry Clinic because she was repeatedly waking during the night with painful cramps in her legs. Like many people, she assumed the answer was magnesium.

She bought a magnesium supplement and started taking it herself. But the cramps continued.

That raised a more useful clinical question: Why was she getting nocturnal leg cramps in the first place? Because a night-time leg cramp is a symptom — not a diagnosis.

What is a nocturnal leg cramp?

A true muscle cramp is a sudden, involuntary and often intensely painful contraction of a muscle. At night it most commonly affects the calf or foot, although other muscles can be involved. The muscle may become visibly or palpably hard, and the episode can last from seconds to several minutes.

Occasional nocturnal cramps are extremely common and are often benign. But recurrent, severe or newly developing cramps deserve a broader look.

Different possibilities: what could be causing the cramps?

1. Idiopathic nocturnal leg cramps

Sometimes there is no identifiable underlying disease. Nocturnal leg cramps become more common with age, and alterations in neuromuscular excitability, muscle shortening, physical activity and biomechanics may all contribute. But “idiopathic” should not simply be assumed before taking a proper history.

2. Chronic venous disease

Venous disease is an important part of the differential. Chronic venous insufficiency and varicose veins can be associated with aching, heaviness, swelling and nocturnal cramps . Clues that make us think more carefully about the venous circulation include:

visible varicose veins;
ankle or lower-leg swelling;
legs that feel heavy, aching or tired;
symptoms becoming worse after prolonged standing;
skin changes around the ankle or lower leg.

A cramp alone does not diagnose venous disease, but cramps occurring within this wider pattern deserve vascular assessment.

3. Arterial disease

Peripheral arterial disease produces a different pattern. Classically, patients describe calf discomfort when walking that improves with rest. More advanced arterial insufficiency may cause pain at rest, particularly in the foot, together with coldness, colour changes, poor wound healing or reduced peripheral pulses. Not every painful leg symptom at night is therefore a muscle cramp.

4. Neurological causes

Muscle contraction ultimately depends on nerve signalling. Peripheral neuropathy, nerve-root irritation or compression and some neuromuscular disorders can therefore produce cramping.

We become particularly interested in a neurological cause when cramps occur alongside:

numbness;
tingling;
burning;
weakness;
altered sensation;
muscle wasting;
fasciculations;
back pain radiating into the leg.

Diabetes is relevant here because peripheral neuropathy may alter sensory and motor nerve function.

5. Electrolyte disturbances

This is where magnesium belongs — as one part of the differential rather than the default explanation. Abnormalities involving magnesium, potassium, calcium or sodium can affect neuromuscular function. They become more plausible in situations involving:

vomiting or diarrhoea;
significant sweating;
dehydration;
restrictive diets;
malabsorption;
kidney disease;
certain medicines.

The clinical circumstances matter more than simply assuming that every cramp represents magnesium deficiency.

But what about magnesium?

Magnesium is essential for normal nerve and muscle function. True magnesium deficiency can increase neuromuscular excitability and may produce cramps, tremor and other symptoms.

But taking magnesium because you have cramps does not prove that you were magnesium deficient. And more is not necessarily better.

Too much magnesium can also be dangerous

The kidneys normally remove excess magnesium, so significant hypermagnesaemia — an abnormally high magnesium concentration in the blood — is uncommon in people with normal kidney function.

The risk becomes substantially greater when renal function is impaired, particularly if someone is taking magnesium-containing supplements, laxatives or antacids. Early excessive intake may produce gastrointestinal effects such as diarrhoea. With significant hypermagnesaemia, however, magnesium begins to suppress neuromuscular and cardiovascular function. Symptoms can include:

muscle weakness;
reduced reflexes;
drowsiness;
low blood pressure;
slowed breathing;
abnormalities of cardiac conduction.

Severe magnesium toxicity can cause profound hypotension, respiratory depression and, at very high concentrations, cardiac arrest. This is particularly important in people with reduced kidney function , because their ability to excrete magnesium is impaired.

So repeatedly increasing magnesium because cramps persist is not a sensible substitute for finding out why the cramps are occurring.

6. Medication-related cramps

A medication review is essential. Some medicines may contribute directly to muscle symptoms, while others can change fluid or electrolyte balance.

Particular attention should be paid to recent medication changes and to medicines such as diuretics where electrolyte disturbance may occur. Patients should not stop prescribed medicines themselves, but recurrent cramps are a good reason to review the medication list with a clinician.

7. Exercise, muscle fatigue and biomechanics

Both too much and too little loading can matter. A sudden increase in exercise, prolonged standing, repetitive muscle use or significant muscular fatigue may precipitate cramps.

At the other extreme, prolonged sitting, reduced ankle mobility and shortening or deconditioning of the calf muscles may also contribute.

Foot mechanics and footwear are therefore worth considering rather than viewing the problem exclusively through a biochemical lens.

8. Pregnancy

Nocturnal leg cramps are common during pregnancy. The cause is likely multifactorial and may include changes in circulation, mechanical loading, fluid distribution and neuromuscular physiology.

Again, this does not automatically mean that the mother requires magnesium supplementation.

9. Systemic disease

Persistent cramps can occasionally accompany broader medical conditions, including:

diabetes;
kidney disease;
liver disease;
thyroid or other metabolic disorders;
some neurological diseases.

The presence of cramps does not diagnose any of these conditions. It simply means that the surrounding clinical picture matters.

And sometimes it isn't a cramp at all

One of the most important parts of assessment is establishing what the patient actually means by “cramp.” Night-time leg symptoms can also arise from:

restless legs syndrome;
peripheral neuropathy;
radicular pain from the spine;
venous aching or heaviness;
arterial rest pain;
joint or soft-tissue pain.

These conditions require very different approaches.

What do we ask?

When somebody presents with recurrent nocturnal leg cramps, useful questions include:

When did they begin?

How often do they occur?

Are they in one leg or both?

Which muscles are affected?

Is there swelling, heaviness or visible venous disease?

Is there numbness, tingling or weakness?

Does walking bring on calf pain?

Has exercise recently changed?

Has there been vomiting, diarrhoea, excessive sweating or dehydration?

What medications and supplements are being taken?

Is there diabetes, kidney disease or another relevant medical condition?

Those answers determine whether examination or investigations are needed.

What can you do when a cramp happens?

For a typical calf cramp, gently stretching the affected muscle can help. Straighten the knee and bring the foot upwards towards the shin to stretch the calf. Getting out of bed and gently walking may also help, as can gentle massage.

But recurrent cramps should not simply lead to progressively larger doses of supplements.

The Clinical Insight

Our patient's magnesium had not solved the problem because “night cramps” and “magnesium deficiency” are not interchangeable diagnoses. Magnesium is one possibility. So are venous disease, neurological problems, medication effects, electrolyte abnormalities, muscle fatigue, pregnancy, systemic disease — or simply idiopathic nocturnal cramping.

The useful question is therefore not: “Which magnesium should I take?” It is: “Why is this muscle cramping?”

That distinction can completely change the clinical assessment — and sometimes reveal something much more important than a nutritional deficiency.

Disclaimer

This article is for educational purposes only and is not intended to diagnose or treat any medical condition or replace individual medical assessment. Nocturnal leg cramps have many possible causes, and recurrent, severe, newly developing or unexplained cramps should be assessed in the context of the person’s medical history, medications, examination and, where appropriate, investigations. Supplements, including magnesium, should not be assumed to be necessary solely because cramps are present. Particular caution is required with magnesium supplementation in people with impaired kidney function, as excessive magnesium can accumulate in the blood and, in severe cases, affect neuromuscular, respiratory and cardiovascular function.

References

Garrison SR, Korownyk CS, Kolber MR, Allan GM, Musini VM, Sekhon RK, Dugré N. Magnesium for skeletal muscle cramps. Cochrane Database of Systematic Reviews. 2020;9:CD009402. doi:10.1002/14651858.CD009402.pub3. The review found that magnesium is unlikely to provide clinically meaningful prevention of idiopathic cramps in older adults; evidence for pregnancy-associated cramps remains uncertain.
De Maeseneer MG, Kakkos SK, Aherne T, et al. European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs. European Journal of Vascular and Endovascular Surgery. 2022;63(2):184–267. doi:10.1016/j.ejvs.2021.12.024. Relevant to the association of chronic venous disease with symptoms including aching, heaviness, swelling and nocturnal cramps.
Lewis JL III. Hypermagnesemia. Merck Manual Professional Edition. Reviewed June 2025; updated December 2025. Hypermagnesaemia is uncommon with normal renal function but occurs particularly in renal failure following exposure to magnesium-containing preparations; severe toxicity can cause hyporeflexia, hypotension, respiratory depression, cardiac conduction abnormalities and cardiac arrest.
Lewis JL III. Overview of Disorders of Magnesium Concentration. Merck Manual Professional Edition. Reviewed June 2025. Useful background on magnesium physiology, serum magnesium interpretation and renal regulation of magnesium balance.

Clinical herbal medicine grounded in science and individualised care.

From Plant to Prescription: Prickly Pear

Sun, 23 Aug 2026 22:10:21 GMT

An ancient medicinal food for blood sugar, digestion and cardiovascular health

One cactus, several medicines

At the end of summer, the prickly pear is difficult to ignore. Broad green pads bend beneath clusters of golden, orange and red fruit, transforming a plant built for drought into an image of abundance.

Yet prickly pear is not one uniform medicinal substance. The succulent pads, ripe fruit, coloured peel and hard seeds contain different proportions of fibre, mucilage, pigments, polyphenols, minerals and oils. They are prepared differently, studied differently and selected for different purposes.

That distinction takes us to the heart of clinical herbal medicine. We do not prescribe a plant simply because its name has become associated with a condition. We ask which part of the plant is appropriate, what preparation will deliver it, and how it fits the individual patient.

Prickly pear at a glance

Botanical name : Opuntia ficus-indica (L.) Mill.

Family : Cactaceae

Common names : prickly pear, cactus pear, Indian fig and nopal; the fruit is called tuna in Mexico

Parts used : young pads or cladodes, flowers, fruit pulp, peel and seeds

The flat “leaves” are actually water-storing stems called cladodes. Both pads and fruits may carry almost invisible barbed hairs called glochids, so careful handling is essential.

From ancient Mexico to the Mediterranean

The relationship between people and prickly pear began long before the first written herbals. Archaeological and botanical evidence places its domestication in Mexico approximately 8,000–9,000 years ago. Generation after generation, people selected plants with larger, sweeter fruit and fewer spines, gradually shaping the cultivated cactus we recognise today.

In Indigenous Mexican practice, food and medicine were not sharply separated. The young pads were cooked as a vegetable; the fruit was eaten fresh, pressed into juice, cooked into preparations and fermented; and the mucilaginous plant juices were incorporated into household medicines. The Nahuatl word nopalli gave us “nopal,” while nochtli referred to the fruit.

One of the earliest surviving written medicinal formulations appears in the 1552 De la Cruz–Badiano manuscript. For burns, juice from nohpalli was combined with the juices of several other plants, then incorporated with honey and egg yolk to produce a preparation that would remain on the skin. It is an early example of deliberate herbal formulation: the moist cactus juice soothed and hydrated, while honey and yolk altered the texture and adhesion of the compound.

During the 1570s, the physician and naturalist Francisco Hernández recorded several medicinal and culinary uses of the nochtli group. The expressed juice of the pads and fruit was used for thirst, intense “hot” fevers and dryness of the bowels. Fruit eaten with its seeds was used for certain forms of diarrhoea, and the pads were prepared with chilli and eaten as a cooling dish. His account includes several varieties of nopal, reminding us that early Mexican medicine worked with a diverse group of cultivated and wild Opuntia, rather than a single standardized botanical product.

Fermentation was also established early. A Nahuatl dictionary published in 1571 records nochoctli—literally prickly-pear wine. This gives us a direct historical link between fresh fruit, medicinal food and fermented preparation, and provides an intriguing predecessor to modern prickly-pear wines and vinegars.

Prickly pear was carried to Spain around the beginning of the sixteenth century and spread through Italy, North Africa and the wider Mediterranean basin. Sailors valued the pads as a fresh vegetable and source of vitamin C on long voyages. In its new landscapes, the cactus became naturalised so completely that golden and red fruit against grey-green pads now appear characteristically Mediterranean.

Across this long history, the same practical understanding keeps returning: the pad, flower, fruit, peel and seeds offer different textures and uses. Modern clinical research has begun to explain the physiology behind distinctions that traditional food and medicine had already preserved for centuries.

How we use prickly pear medicinally

Post-meal glucose and insulin control

We use the young cladode—fresh and cooked with a meal, or as a defined cladode preparation—as a metabolic food in insulin resistance and type 2 diabetes, particularly where glucose rises sharply after carbohydrate-rich meals.

LDL cholesterol and cardiometabolic support

We use the whole fruit as food, together with the cladode when fibre, glucose regulation and satiety are also priorities. It can be incorporated into a wider programme for raised LDL cholesterol, triglycerides, central weight gain and metabolic dysfunction.

Digestion and the gut microbiota

The fibre- and mucilage-rich cladode increases dietary fibre, supports bowel regularity and provides fermentable material for beneficial gut bacteria.

Hangover symptoms

A studied extract made from prickly-pear fruit skin was taken before alcohol. It reduced nausea, dry mouth, loss of appetite and the likelihood of a severe hangover.

Antioxidant and inflammatory support

The ripe yellow, orange, red or purple fruit can be eaten fresh, juiced or infused in vinegar. It supplies vitamin C, betalains, carotenoids and polyphenols.

1. Blood sugar control

The strongest clinical use belongs to the young green pad, or nopal, eaten with a meal.

In adults with type 2 diabetes, 85 g of nopal added to three traditional Mexican breakfasts reduced the rise in post-meal glucose by approximately 20–48%, depending on the meal. In a later study, 300 g of steamed nopal eaten with breakfast reduced post-meal glucose and insulin responses. The effect was especially marked when the breakfast was rich in carbohydrate.

This makes the cladode particularly relevant when a patient experiences post-meal sleepiness, hunger or cravings; rising HbA1c; insulin resistance; central weight gain; or a combination of dysglycaemia and sluggish bowel function.

The preparation matters. These food trials used a meaningful portion of cooked nopal, not a token quantity of fruit or an unspecified capsule.

2. Cholesterol and cardiometabolic support

Prickly pear also has a useful place in lipid management. A systematic review of human studies found that prickly-pear fruit frequently reduced total cholesterol and LDL cholesterol. The pads add a complementary action through their soluble fibre and their effect on the glucose–insulin response.

In practice, the fruit suits a food-led cardiovascular plan, while the cladode is the more obvious choice when raised lipids occur alongside insulin resistance, appetite dysregulation or constipation.

A meta-analysis of randomized trials also found reductions in body-fat percentage, blood pressure and total cholesterol. Prickly pear is therefore best understood as part of a broader cardiometabolic prescription rather than as a single-purpose “blood sugar herb.”

3. Digestion and the microbiota

The cladode contains soluble and insoluble fibre together with water-binding mucilage. This combination helps bulk and soften the stool, supports satiety and provides fermentable material for the colonic microbiota.

In a double-blind trial involving 80 adults, an extract prepared from cladode juice was taken daily for eight weeks. Participants reported improved digestive symptoms and quality of life, alongside favourable changes in the intestinal microbiota. This supports a particularly useful clinical pattern: prickly pear for the patient whose metabolic concerns are accompanied by irregular stools, digestive discomfort and a low-fibre diet.

4. Hangover symptoms

Prickly pear has one of the more interesting human trials in the field of hangover prevention. In a randomized, double-blind crossover study, participants took a prickly-pear fruit-skin extract five hours before drinking alcohol. The extract reduced nausea, dry mouth and loss of appetite, and cut the likelihood of a severe hangover by about half.

The trial used a specific fruit-skin extract before alcohol. That is the preparation and timing connected with this result; it should not be confused with eating a piece of fruit after symptoms have begun.

5. Antioxidant and inflammatory support

The brilliant colour of the fruit is medicinally meaningful. Yellow, orange, red and purple fruits contain varying mixtures of betalains—including indicaxanthin and betanin—together with vitamin C, carotenoids and polyphenols.

In a randomized crossover feeding study, healthy adults ate 200 g of yellow prickly-pear pulp twice daily for two weeks. The fruit reduced several inflammatory markers, including C-reactive protein and pro-inflammatory cytokines, while improving antioxidant status. A separate placebo-controlled study using nopal fruit juice found improvements in spinal mobility and a reduction in C-reactive protein among participants who began the study with moderately raised levels.

This makes the ripe fruit a valuable functional food where the therapeutic aim includes vascular protection, antioxidant intake and regulation of inflammatory activity.

6. Digestive and mucosal health

The young Opuntia pad contains abundant water-binding mucilage. When the pad is sliced and simmered, this mucilage disperses into the water and produces a slightly viscous demulcent drink. It coats, hydrates and soothes irritated mucous membranes and may be used for the burning and discomfort associated with gastritis, acid reflux and peptic ulceration. Its soothing action also extends along the intestinal and urinary tracts, making mucilaginous Opuntia preparations useful where digestive irritation, cystitis or urethral discomfort is present.

Experimental research supports this traditional use. Orally administered Opuntia ficus-indica mucilage helped restore the gastric mucus barrier and reverse mucosal damage in chronic gastritis, while prickly-pear fruit juice and its betalain pigment betanin protected gastric mucus and reduced inflammatory injury in models of gastric lesions. The flower petals are also strongly mucilaginous and may be prepared as a cool infusion or syrup for dry cough, irritated throat, gastric irritation and urinary discomfort.

7. Topical and wound-healing use

The clear gel inside the pad can be used externally in a similar way to aloe. Fresh gel or mashed inner pad forms a cooling, hydrating poultice for minor burns, small cuts, abrasions, rashes and locally irritated skin. Its polysaccharide-rich mucilage holds water against the tissue, softens dry or inflamed areas and helps maintain the moist environment needed for surface repair. The gel also makes an effective base for combining other freshly crushed or powdered herbs in a poultice.

8. Joint and inflammatory support

The fruit supplies betalain pigments, flavonoids, vitamin C and polyphenols that contribute antioxidant and anti-inflammatory activity. This makes the fresh fruit and its juice useful where joint stiffness, muscular discomfort or raised inflammatory activity form part of the clinical picture.

In a double-blind, placebo-controlled study, adults with chronic joint and muscle discomfort drank 90 mL of nopal fruit juice daily for eight weeks. The preparation improved cervical, thoracic and lumbar mobility; among participants who began with moderately raised C-reactive protein, inflammatory activity also decreased. Traditional external practice complements this internal use by applying a warmed, mashed pad as a moist poultice over stiff or uncomfortable areas.

Using prickly-pear seed oil

Prickly-pear seed oil is a light but concentrated topical oil, particularly rich in linoleic acid, together with oleic acid, tocopherols, phytosterols and other antioxidant constituents. Linoleic acid supports the lipid structure of the epidermal barrier, while tocopherols and polyphenolic compounds help protect skin lipids from oxidative stress. The oil is particularly useful for dry, mature, weather-exposed or barrier-impaired skin, including skin that has become thinner and less resilient during and after menopause.

And what about the flowers and pad gel?

Traditional herbal practice gives us two further preparations that are worth remembering.

The flower petals are strongly mucilaginous and are used as a demulcent and mucosal vulnerary. Fresh or dried petals may be prepared as a cool infusion or syrup for dry, irritated tissues of the respiratory, digestive and urinary tracts—for example, a dry cough, irritated throat, reflux-type irritation or urinary discomfort.

The clear gel inside the pad is used externally in a similar way to aloe: cooling and soothing minor irritation, and providing a moist base for a poultice. This is distinct from the metabolic food use of the cooked cladode.

From Food to Formulation: Other Ways to Prepare Prickly Pear

Prickly pear can be used in several different medicinal forms. The fresh pads and fruit are eaten as medicinal foods, either raw or cooked, while juices and teas prepared from the fruit or pads provide refreshing, nutrient-rich or mucilaginous drinks. Dried cladodes and fruit are also available as powders or capsules, offering a concentrated source of fibre and other plant constituents. Externally, the fresh pad gel may be used directly on the skin or incorporated into poultices for minor burns, wounds, rashes and local irritation.

Prickly pear fruit infused in vinegar

Yes—the ripe fruit can be infused beautifully in vinegar. This gives us a vivid, tart preparation that brings prickly pear into everyday food as a salad vinegar, marinade or diluted drink.

A traditional-style recipe published by herbalist Mimi Prunella Hernandez uses the pulp and seeds of cleaned prickly pears. The fruit fills approximately half the jar, vinegar is poured over it to fill the jar, and the mixture is infused for two weeks before straining. Lemon verbena may be added for a bright aromatic note.

This is an infused vinegar: ready-made vinegar extracts the fruit. It is different from a true prickly-pear vinegar produced by first fermenting the fruit sugars into alcohol and then converting the alcohol into acetic acid.

Practical notes

Use thick gloves or tongs when harvesting. Remove every glochid before cutting the fruit or pad.

Introduce the fibre-rich pad gradually if it is unfamiliar, particularly where digestion is sensitive.

When prickly pear is used alongside insulin or glucose-lowering medication, glucose readings should be monitored so that the wider treatment plan can be adjusted appropriately.

Take fibre-rich cladode preparations separately from medicines whose absorption may be affected.

People with severe constipation, impaired gut motility, bowel narrowing or a history of obstruction should avoid consuming large quantities of the hard seeds.

Disclaimer

This article is for educational purposes and does not replace individual medical assessment or treatment. Prickly pear preparations should be selected with regard to the plant part, dose, existing health conditions and current medicines. People taking insulin or other glucose-lowering medication should use medicinal quantities under professional guidance and monitor their blood glucose appropriately.

References

Mayo Clinic. Does prickly pear cactus have health benefits? Mayo Clinic.

Bacardí-Gascón M, Dueñas-Mena D, Jiménez-Cruz A. Lowering effect on postprandial glycemic response of nopales added to Mexican breakfasts. Diabetes Care. 2007;30(5):1264–1265. DOI: 10.2337/dc06-2506.

López-Romero P, et al. The effect of nopal (Opuntia ficus-indica) on postprandial blood glucose, incretins, and antioxidant activity in Mexican patients with type 2 diabetes after consumption of two different composition breakfasts. J Acad Nutr Diet. 2014;114(11):1811–1818. DOI: 10.1016/j.jand.2014.06.352.

Gouws CA, Georgousopoulou EN, Mellor DD, McKune A, Naumovski N. Effects of the consumption of prickly pear cacti (Opuntia spp.) and its products on blood glucose levels and insulin: a systematic review. Medicina. 2019;55(5):138. DOI: 10.3390/medicina55050138.

Gouws CA, et al. The effects of prickly pear fruit and cladode (Opuntia spp.) consumption on blood lipids: a systematic review. Complement Ther Med. 2020;50:102384. DOI: 10.1016/j.ctim.2020.102384.

Onakpoya IJ, O'Sullivan J, Heneghan CJ. The effect of cactus pear (Opuntia ficus-indica) on body weight and cardiovascular risk factors: a systematic review and meta-analysis of randomized clinical trials. Nutrition. 2015;31(5):640–646. PubMed.

Mellai M, et al. Effect of an eight-week supplementation with Opuntia ficus-indica cladode extract on gastrointestinal quality of life and gut microbiome in adults with gastrointestinal discomfort: a randomized clinical trial. Nutrients. 2024;16(5):586. DOI: 10.3390/nu16050586.

Wiese J, McPherson S, Odden MC, Shlipak MG. Effect of Opuntia ficus-indica on symptoms of the alcohol hangover. Arch Intern Med. 2004;164(12):1334–1340. PubMed.

Attanzio A, et al. Short-term cactus pear fruit supplementation ameliorates the inflammatory profile and is associated with improved antioxidant status among healthy humans. Food Nutr Res. 2018;62:1262. Full text.

Jensen GS, et al. Nopal cactus fruit juice for joint mobility and systemic inflammation: a double-blind, placebo-controlled trial. Clin Interv Aging. 2020;15:1565–1574. DOI: 10.2147/CIA.S267451.

Hernandez MP. Prickly Pear and Lemon Verbena Infused Vinegar from National Geographic Herbal. 2023. Recipe.

Prickly Pear: Survival Plant. Herbal Medics Academy. Monograph.

De la Cruz M, Badiano J. Libellus de Medicinalibus Indorum Herbis (1552), Plate 90: “Burns of the Body.” Badianus Manuscript Digital Gallery.

Hernández F. Historia de las Plantas de Nueva España: “Del Nochtli o género de tunas.” Instituto de Biología, Universidad Nacional Autónoma de México.

Universidad Nacional Autónoma de México. Gran Diccionario Náhuatl: nochoctli—“vino de tunas,” recorded in Molina (1571). Dictionary entry.

Kiesling R. Origen, domesticación y distribución de Opuntia ficus-indica. Journal of the Professional Association for Cactus Development. Full paper.

Headache Through the Ages: From Herbal Remedies to Modern Physiology

Thu, 20 Aug 2026 10:08:52 GMT

How different medical traditions understood, classified and treated head pain

Headache is one of the oldest symptoms described in medical writing. Across ancient Egyptian, Greco-Roman, Persian, Arabic and medieval European medicine, physicians repeatedly turned to plants, resins, oils, vinegars and other preparations to relieve pain in the head.

But the most interesting part of this history is not simply that herbal remedies were used. It is that physicians gradually recognised something that remains fundamental today: not every headache is the same.

A pain affecting one side of the head was distinguished from more general head pain. Acute headache was treated differently from chronic headache. Trauma-related head pain was approached differently from recurrent headache. Later physicians developed increasingly elaborate classifications based on location, accompanying symptoms, triggers and perceived underlying physiology.

Modern headache medicine has taken that differentiation much further. For clinical herbal medicine, therefore, the important question is not simply: “Which herb is good for headaches?”

It is: “What kind of headache is this, and what physiology is generating it?”

Ancient Egypt: Headache, Observation and Early Pharmaceutics

Egyptian medicine was already highly organised during the Old Kingdom, more than four thousand years ago. Some of the earliest surviving Egyptian medical traditions, particularly the material preserved in the Edwin Smith Papyrus, show a remarkably structured approach to trauma: examination, localisation of injury, diagnosis, prognosis and treatment.

This is important in the history of headache because the earliest Egyptian physicians did not necessarily regard pain in the head as a disease in itself. Head symptoms could arise from structural injury and needed to be examined in context.

Later Egyptian medical texts preserve a much larger pharmacological tradition. The Ebers Papyrus, copied around 1550 BCE, contains a series of remedies for painful conditions of the head. Scholars have identified several different locations of head pain in the Egyptian material, although the descriptions are not sufficiently precise to retrospectively diagnose modern migraine.

One of the clearest plant-based formulations is prescription Eb 254 :

An Egyptian Headache Balm

Frankincense — 1 part
Cumin — 1 part
Prickly juniper berries — 1 part
Goose fat — 1 part

The ingredients were cooked together and rubbed onto the painful head. Nearby prescriptions repeatedly use related materials, including frankincense, juniper, myrrh, conifer resins, aromatic seeds, oils and fats.

This repeated combination suggests more than simple plant selection. It suggests an early form of pharmaceutical formulation : aromatic and resinous materia medica + a lipid vehicle + direct topical application.

The lipid base would have altered consistency, helped disperse fat-soluble plant constituents and kept the preparation in prolonged contact with the skin.

A Recurring Pattern: Aromatic Berries, Seeds and Resins

One particularly interesting feature of these historical formulas is the repeated use of aromatic fruits and seeds . Ancient Egyptian headache remedies include juniper berries and cumin .

Later Greco-Roman and medieval remedies include laurel berries, cardamom and black cumin .

Many of these plants contain substantial volatile terpene fractions. Juniper berries, for example, contain monoterpenes such as α-pinene, sabinene, myrcene and limonene. Laurel berries are chemically different, but they too contain aromatic terpenoid constituents.

We cannot conclude from this that historical physicians were deliberately targeting a particular modern pain pathway. However, the recurrence raises a legitimate question: Were generations of practitioners repeatedly observing useful local sensory effects from aromatic, terpene-rich topical medicines? That remains an interesting subject for modern investigation.

Greece and Rome: Headache Begins to Be Classified

Greek medicine introduced increasingly detailed clinical descriptions of headache. A well-known Hippocratic case describes visual disturbance followed by severe pain beginning near one temple and spreading through the head and neck. Although retrospective diagnosis must always be cautious, the description has often been compared with migraine with aura.

Later, Aretaeus of Cappadocia distinguished three principal headache patterns:

cephalalgia — relatively acute head pain;
cephalaea — more persistent or chronic headache;
heterocrania — severe one-sided headache associated with symptoms including nausea and aversion to light and odours.

Galen later used the term hemicrania , meaning pain affecting half the head. The linguistic descendants of hemicrania eventually gave rise to the word migraine .

The physiological explanations of these physicians were based largely on humoral medicine and are no longer medically accepted. But the observational advance was important: headache was becoming a group of different clinical patterns rather than a single symptom requiring one universal remedy.

Greco-Roman Headache Formulations

The pharmaceutical literature of the Greco-Roman world shows a striking resemblance to some earlier Egyptian preparations. One historical formulation for chronic headache combined approximately equal amounts of: myrrh + spikenard + cardamom carried in rose oil .

Another used: cardamom + vinegar + rose oil to make a preparation applied to the forehead.

Importantly, historical “rose oil” generally did not mean the concentrated steam-distilled rose essential oil familiar today.

It was commonly a rose-infused fixed oil , often prepared using olive oil or another fatty carrier.

Once again, the formulation architecture is notable: aromatic material + resin + fixed oil or

aromatic plant + oil + vinegar.

Why Vinegar?

Vinegar appears repeatedly in Greek, Persian and medieval European headache preparations.

It probably served several functions simultaneously. It could act as:

an acidic extraction medium;
a wetting agent;
an aqueous phase in freshly prepared pastes and poultices;
a modifier of consistency and drug release;
and possibly a therapeutically active sensory ingredient.

Historical practitioners did not describe acid-sensing ion channels or trigeminal nociceptors.

Modern physiology, however, shows that acidic substances can influence sensory nerve signalling.

Avicenna: Different Headaches, Different Treatments

By the time of Ibn Sina — Avicenna — around the early 11th century , headache medicine had become considerably more elaborate. In the Canon of Medicine, Avicenna described different types and possible origins of headache and modified treatment accordingly. His classifications were based on the physiological concepts of his period, including distinctions such as “hot”, “cold”, “dry” and other humoral states. The clinical principle remains interesting: different headache patterns required different treatment strategies.

Historical local preparations associated with Avicennian and later Persian medicine include combinations involving:

rose oil;
rue;
mint;
myrrh;
galbanum;
asafoetida;
other aromatic gum-resins;
vinegar.

Some preparations were topical; others were administered through the nose. Persian medical literature eventually described more than twenty different headache categories and used a very large botanical materia medica across oral, topical and nasal preparations.

Again, the message was not: “This is the herb for headache.” It was: “What type of headache is this?”

The Formulation Was Part of the Medicine

Another lesson from historical headache treatment is that physicians were not simply selecting “active herbs”. They were also selecting vehicles and excipients .

Across the traditions we find:

Oils - Used to extract and deliver fat-soluble and aromatic constituents.
Vinegar - Used as an acidic aqueous vehicle and extraction medium.
Milk - Used in some later medical traditions as a mixed aqueous-lipid vehicle, diluent and modifier of potent preparations.
Plant gums and mucilages - Used to thicken preparations, suspend powders and help medicines remain in contact with the skin.
Waxes and resins - Used to alter consistency, adhesion and persistence.
Egg white and flour - Used in some medieval preparations to structure topical pastes and poultices.

Anglo-Saxon England: The “Half-Headache”

Around the 10th century, Bald’s Leechbook preserved several remedies specifically for “half-headache. Preparations included:

laurel berries + vinegar + oil crushed and applied externally;
nettle + vinegar + egg white applied to the affected side;
and various preparations involving rue, mustard and other aromatic plants.

The resemblance to earlier Mediterranean formulas is striking. The Egyptian physicians had used juniper berries in lipid-based topical preparations. The Anglo-Saxon tradition used laurel berries in vinegar and oil.

These are different plants and different medical traditions, and similarity alone does not prove direct transmission. But both belong to a broader recurring pattern: aromatic berries or seeds + a pharmaceutical vehicle + direct application to the painful area.

Medieval Ireland

Medieval Irish medical manuscripts preserve their own headache treatments. A medical compendium associated with Connla Mac an Leagha , a member of an Irish hereditary medical family, contains a versified remedy for severe head pain involving ivy gathered from several different host trees . The ivy was boiled to produce a wash that was applied to the head.

These texts are important because medieval Irish medicine was not simply oral folk medicine.

Irish hereditary physicians worked within a learned medical culture that absorbed and adapted material from wider European medical traditions while preserving vernacular Irish therapeutic knowledge.

Salerno, France and the European Herbal Tradition

The medieval School of Salerno became one of the great centres through which Greek, Latin and Arabic medicine entered later European medical practice. From the Salernitan tradition emerged important materia-medica texts such as the Circa instans, which later circulated in French as the Livre des simples médecines and in other European languages.

One plant became particularly associated with the head:

Betonica officinalis / Stachys officinalis

Betony appears repeatedly in medieval and early-modern European headache medicine. Other frequently mentioned plants included:

rose;
violet;
rue;
vervain;
lavender;
rosemary;
water lily;
aromatic spices.

Again, remedies were sometimes varied according to whether the headache was believed to arise from “heat”, “cold” or other humoral states.

What Modern Medicine Now Calls “Headache”

Today we understand much more clearly that headache is not one disease. The International Classification of Headache Disorders distinguishes numerous primary and secondary headache disorders. Major clinical categories include:

Migraine

A neurological disorder that may involve throbbing or pulsating pain, sensory sensitivity, nausea and sometimes aura.

Migraine biology involves complex interactions between the nervous system, trigeminovascular signalling, sensory processing and mediators such as CGRP.

Tension-Type Headache

Usually characterised by pressing or tightening pain rather than the typical pulsating quality of migraine.

Peripheral muscular or myofascial input may contribute, while chronic forms can also involve altered central pain processing.

Cluster Headache and Other Trigeminal Autonomic Cephalalgias

These are very different neurological disorders involving severe unilateral pain and characteristic autonomic symptoms. They should not be approached as ordinary “stress headaches”.

Cervicogenic Headache

Headache arising from cervical structures. The clinical problem may therefore involve cervical joints, muscles and associated neural pathways rather than primarily intracranial mechanisms.

Medication-Overuse Headache

Repeated use of acute headache medicines can itself contribute to chronic headache in susceptible people.

Secondary Headaches

Head pain can also occur secondary to infection, vascular disease, trauma, medications, sinus or dental disease and many other medical conditions.

NICE therefore recommends diagnosing migraine, tension-type headache and cluster headache according to their characteristic clinical features rather than treating “headache” as a single category.

How Clinical Herbal Medicine Approaches Headache

Modern clinical herbal medicine should begin with the same fundamental question that gradually emerged throughout this history: What is actually producing this person's headache?

The formulation may therefore differ substantially depending on the dominant physiology.

A clinical assessment might consider:

Neurological and trigeminovascular signalling . Particularly relevant in migraine.
Cervical and muscular contribution. Important in some tension-type and cervicogenic presentations.
Autonomic and stress physiology . Sleep deprivation, sustained sympathetic activation and stress can alter headache thresholds in susceptible individuals.
Hormonal pattern. Some migraine is strongly influenced by fluctuations in ovarian hormones, particularly around menstruation and other reproductive transitions.
Sleep and circadian rhythm. Changes in sleep and circadian organisation can influence several headache disorders.
Inflammatory or infectious causes. These require appropriate diagnosis before any botanical strategy is considered.
Medication use. Frequent use of acute analgesics or migraine medicines can itself become part of the headache physiology.
Nutrition, hydration and metabolic context. These may modify headache thresholds in some individuals, although they should not automatically be assumed to be the primary cause.

The objective is therefore not to select a fashionable “headache herb”.

It is to understand the dominant physiological pattern , identify anything requiring medical investigation, and then decide whether botanical medicine has an appropriate supportive role.

What the History Teaches Us

The history of herbal headache treatment is not a straight progression from superstition to science. Ancient physicians could sometimes be remarkably observational. Empirical medicine, pharmacology, religious medicine and magical practices often existed alongside one another.

Knowledge was transmitted, modified, translated, lost and rediscovered. But one idea appears repeatedly: head pain was not always treated as one homogeneous disorder.

Ancient Egyptian physicians distinguished different locations and causes of head pain. Greco-Roman physicians classified different headache patterns. Avicenna developed increasingly elaborate distinctions. Medieval European physicians changed remedies according to the pattern they believed they were treating. Modern medicine has replaced those older physiological explanations with increasingly detailed neurological and clinical classifications. But the practical principle remains: There is no single herb for “headache” because headache is not a single disease.

Clinical herbal medicine therefore begins not with the herb. It begins with the person, the headache phenotype, the underlying physiology and the question: What is generating this pain?

Only then should treatment be chosen.

References

Karenberg A, Leitz C. Headache in magical and medical papyri of ancient Egypt. Cephalalgia. 2001.

Sächsische Akademie der Wissenschaften zu Leipzig. Papyrus Ebers, digital scholarly edition and translation, including prescriptions Eb 252–255.

Koehler PJ. History of migraine. 2023.

Koehler PJ, van de Wiel TWM. Aretaeus on migraine and headache. Journal of the History of the Neurosciences.

International Headache Society. International Classification of Headache Disorders, 3rd edition (ICHD-3).

National Institute for Health and Care Excellence. Headaches in over 12s: diagnosis and management. CG150. Updated 2025.

Educational and Medical Disclaimer

This article is provided for educational and informational purposes only . It does not constitute medical advice and is not intended to replace consultation, diagnosis or treatment by a suitably qualified healthcare professional.

Historical formulations are included to illustrate the development of herbal medicine and pharmaceutical practice. They should not be interpreted as instructions for self-treatment, and historical use does not establish modern safety or efficacy.

Headache can occasionally be a symptom of serious disease. New, severe, rapidly changing or otherwise concerning headaches require appropriate medical assessment.

Scientific understanding and clinical evidence continue to evolve.

Wildberry Clinic
Clinical herbal medicine grounded in science and individualised care.

Research in Focus: Can We Repair Molecular Damage Associated With Ageing?

Wed, 19 Aug 2026 16:13:20 GMT

A new study has shown that an engineered enzyme can remove a specific form of age-associated chemical damage from proteins in human tissues.

First, the simple explanation

As we get older, our bodies gradually accumulate small amounts of damage. Some of that damage happens to the proteins that help build our tissues — including the proteins in our skin, blood vessels, eyes and connective tissues.Think of these proteins a little like the structural materials in a building.

When they are new, they are organised and able to do their jobs properly. But over many years, chemical changes can gradually build up on them. One of these changes is caused by glycation .

Glycation happens when sugars and other reactive molecules attach themselves to proteins without the body deliberately controlling the process.

Over time, some of these reactions produce substances known as advanced glycation end products , or AGEs . AGEs tend to accumulate as we get older, particularly in proteins that remain in the body for a long time.

So what did the researchers do?

Scientists have now engineered an enzyme that can remove one particular type of AGE-related damage from proteins. The damaged molecule they targeted is called CML .

In laboratory experiments, the researchers treated proteins and samples of older human skin, artery and eye tissue with the enzyme. The amount of CML in those samples fell substantially.

In other words, rather than simply trying to prevent further damage , the scientists were able to remove some damage that had already accumulated. And that is what makes this study interesting.

Does that mean they reversed ageing?

No. This is the most important point. Some reports about this research have suggested that scientists made old tissue “younger” or reversed decades of ageing. That is not what the study showed.

The researchers removed one particular chemical modification from proteins. They did not show that the whole tissue became young again. They did not show that an old artery became as flexible as a young artery. They did not show that old skin regained youthful structure or function.

And the enzyme has not been used as an anti-ageing treatment in people.

Ageing involves hundreds of interconnected changes throughout our cells and tissues. Removing one type of molecular damage is therefore very different from reversing ageing itself.

So why is the study exciting?

Because it raises an important possibility. Most discussions about healthy ageing concentrate on trying to slow down damage . Eat well. Exercise. Don't smoke. Control blood glucose. Sleep properly. Reduce unnecessary metabolic stress. All of those approaches remain important.

But researchers are now beginning to ask another question: What if some of the damage that has already accumulated could actually be repaired?

This study suggests that, at least for one very specific form of protein damage, that might be possible. That does not give us an anti-ageing treatment today, but it introduces a fascinating idea for future medicine: instead of only slowing damage, we may eventually be able to identify particular forms of molecular damage and repair them directly.

For Those Who Want the Science. What is glycation?

Proteins in the body are continually exposed to sugars and other reactive molecules. Some of these can react spontaneously with amino acids in proteins through a process known as non-enzymatic glycation .

Over time, these reactions can generate a diverse group of chemically modified structures known as advanced glycation end products, or AGEs . AGEs are particularly relevant in proteins that remain in the body for long periods, including components of the extracellular matrix such as collagen.

Rather than being a single substance, “AGEs” describes a large and chemically varied family of modifications. That distinction matters because different AGEs can have different biological effects. Some may change the structure or turnover of proteins. Some AGE-related modifications and crosslinks may contribute to changes in tissue stiffness and elasticity, while others can participate in cellular signalling and inflammation.

CML: one particular AGE

The researchers focused on Nε-carboxymethyl-lysine, or CML . CML forms when a lysine residue within a protein becomes chemically modified. It accumulates in long-lived proteins with age and has been identified in tissues including the skin, vascular wall and eye. CML is also potentially important because it can interact with the receptor for advanced glycation end products — RAGE .

Activation of RAGE can influence inflammatory signalling pathways, including NF-κB. This creates an interesting possible connection between accumulated molecular damage and changes in inflammatory signalling.

However, it is important to distinguish a plausible mechanism from a proven therapeutic effect: this study did not demonstrate that removing CML from living human tissues reduces RAGE signalling or inflammation.

Could an enzyme remove CML?

The researchers set out to engineer an enzyme capable of recognising and removing CML that had already formed on proteins. They began with enzymes known as glycine oxidases and used computational approaches followed by directed evolution .

Directed evolution involves generating large numbers of enzyme variants and repeatedly selecting those that perform the required task most effectively. Through this process the researchers developed an engineered enzyme referred to as CMLase , or CrGO-897 .

The enzyme acquired the ability to act upon CML attached to peptides and proteins. Most interestingly, it could chemically convert the modified CML residue back towards the original amino acid, lysine .

This is why the research can be considered an example of direct molecular repair . The goal is not merely to stop further damage forming. It is to repair a molecular modification that is already present.

What happened when they tested human tissue?

The researchers tested the enzyme on proteins and human tissue samples containing CML that had accumulated naturally over many years. Experiments included proteins from human lens tissue and samples of older human arterial and skin tissue. Treatment substantially reduced measurable CML.

This provides proof of principle that CML accumulated in aged human proteins is not necessarily chemically irreversible.

But this was not rejuvenation

This is where interpretation becomes extremely important. If an old tissue sample contains more CML than a young tissue sample, and treatment reduces CML to the level seen in younger tissue, we cannot conclude that the entire tissue has become biologically young.

CML is simply one measurement . Ageing also involves changes in:

mitochondrial function;
DNA and epigenetic regulation;
cellular senescence;
immune activity;
extracellular-matrix organisation;
vascular function;
stem and progenitor-cell activity;
protein quality control;
cellular communication; and
tissue repair and regeneration.

Removing one molecular lesion does not automatically restore all of these systems.

CML is also not the same thing as all AGE damage

The term AGE describes many different chemical modifications. CML is only one of them.

Other glycation-derived structures may influence tissue ageing differently. Some are capable of forming chemical crosslinks between proteins, which may be particularly important in long-lived extracellular-matrix proteins such as collagen.

One important example is glucosepane , which accumulates in ageing human tissues.

An enzyme capable of removing CML therefore cannot automatically be described as an enzyme that “removes AGEs”. It removes a particular AGE-related modification. That distinction is scientifically important.

Did removing CML improve the tissue?

We do not yet know. The researchers demonstrated that they could remove CML chemically.

They did not establish that this restored normal tissue function.

For example, the study did not demonstrate that treated arteries became more elastic or that treated skin regained youthful mechanical or biological properties. Nor did it show improvement in organ function. These are important questions for future research.

A molecular repair becomes clinically meaningful only if repairing that molecule produces a useful improvement in the functioning of the cell, tissue or organism.

Could this enzyme currently be given to people?

No. The human tissue experiments were performed outside the living body . This is known as ex vivo research. Using an enzyme inside a living person would create additional challenges.

The enzyme would need to:

reach the right tissues;
penetrate deeply enough to find CML-modified proteins;
remain active for long enough to work;
avoid damaging other molecules;
and do so without producing unacceptable immune or other adverse reactions.

The engineered enzyme is derived from a bacterial protein, so potential immunogenicity would be one of several safety questions requiring careful investigation.

There are currently no clinical trials demonstrating that CMLase can safely reverse tissue ageing in humans.

Where might this lead?

This study is best viewed as proof of concept for molecular repair . It suggests that some chemical modifications traditionally regarded as accumulated molecular damage may eventually become therapeutic targets.

The next questions are much harder:

Can the enzyme work inside living tissue?
Can it reach enough of its target?
Does removing CML improve tissue physiology?
Does it reduce harmful signalling?
Does it improve health?
And can it do all of this safely?

Only animal studies and eventually carefully controlled human trials can answer those questions.

The Wildberry Perspective

This study does not show that scientists have discovered a treatment that reverses ageing.

But neither should its importance be dismissed. It demonstrates something conceptually important: a chemical modification that accumulates on ageing human proteins can be deliberately targeted and removed.

That represents a different approach to ageing biology. Instead of thinking only about how we might slow the accumulation of molecular damage, researchers are beginning to explore whether some forms of damage that are already present could eventually be repaired .

The important distinction is between repairing a molecule and rejuvenating an organism .

This research has demonstrated the first. Whether direct molecular repair can eventually contribute to restoration of tissue function, resilience and ultimately healthier ageing remains one of the fascinating questions for the future of ageing medicine. But the study also raises a complementary question: Can we reduce the formation of this type of protein damage before it accumulates in the first place?

This is where nutrition, metabolic health and potentially botanical medicine become particularly interesting. Herbal medicines and plant compounds cannot currently be said to reverse established CML damage in the way this engineered enzyme did. However, several botanicals and their constituents have shown promising antiglycation activity in experimental research.

Rather than acting at one single point, they may potentially influence several stages in the process by which proteins become damaged.

1. Reducing the metabolic pressure that drives glycation

Glycation is influenced partly by the amount and duration of exposure of proteins to glucose and other reactive sugar-derived molecules.

Supporting healthy glucose regulation and insulin sensitivity may therefore reduce some of the metabolic conditions that favour excessive glycation.

This may be relevant to botanicals such as cinnamon and berberine-containing plants , although it is important to distinguish their effects on glucose metabolism from evidence of a direct antiglycation effect on proteins.

In other words, improving the metabolic environment may help reduce the amount of new damage being generated.

2. Trapping reactive carbonyl compounds before they damage proteins

Glycation does not occur only through glucose attaching directly to proteins. During normal metabolism, highly reactive compounds known as reactive dicarbonyls can also form. One of the most important is methylglyoxal .

Methylglyoxal is considerably more reactive with proteins than glucose itself and can contribute to the formation of advanced glycation end products.

Experimental research suggests that compounds found in turmeric, particularly curcumin, and cinnamon, including certain procyanidins , may help trap or scavenge some of these reactive intermediates before they modify proteins.

This represents an interesting form of molecular protection: intervening before a damaging chemical reaction becomes fixed into the protein .

3. Supporting the body's own detoxification systems

The body already possesses mechanisms for dealing with reactive carbonyl compounds such as methylglyoxal.

One of the most important is the glyoxalase system , particularly the enzymes GLO1 and GLO2.

This system helps convert methylglyoxal into less reactive compounds before it can extensively modify proteins.

In experimental studies, curcumin has influenced glyoxalase-1 activity and expression. This raises the possibility that some botanical compounds may work not simply by acting as antioxidants themselves, but by supporting endogenous cellular damage-control systems .

This is an important distinction. Rather than thinking of herbs simply as substances that “neutralise free radicals”, we can begin to ask whether particular plant compounds influence the body's own mechanisms for detecting, processing and limiting molecular damage.

4. Protecting proteins while glycation is occurring

Rosemary , and particularly its constituent rosmarinic acid , is especially interesting from this perspective. Experimental research has shown that rosmarinic acid can reduce methylglyoxal-induced glycation of human proteins and also reduce protein aggregation .

That matters because protein ageing is not simply about the presence of a chemical marker.

A modification may alter the way a protein folds, interacts with other proteins, or maintains its normal structure.

Protecting the structural integrity of a protein while limiting glycation may therefore be biologically more meaningful than simply reducing a laboratory marker of oxidative stress.

5. Reducing the biological consequences of AGE accumulation

Preventing every AGE from forming is unlikely to be possible. But even when advanced glycation end products have accumulated, their biological consequences may potentially be modified.

Some AGEs interact with the receptor for advanced glycation end products, or RAGE , which can activate downstream pathways including NF-κB and contribute to inflammatory signalling.

Phytochemicals such as curcumin have influenced AGE/RAGE-related signalling experimentally.

This means botanical intervention may potentially occur at another level: not necessarily removing the AGE itself, but reducing some of the inflammatory signalling associated with its presence .

Prevention and repair are not the same thing

This distinction is crucial. The engineered CMLase used in this study represents an experimental form of direct molecular repair : it acted on an existing CML modification and removed it.

The botanical research described above is different. Rosemary, cinnamon, turmeric and other plant compounds appear more likely to work by reducing the conditions that allow damage to form, intercepting reactive molecules, supporting endogenous detoxification systems, protecting protein structure, or modifying the biological response to accumulated AGEs .

These mechanisms are scientifically interesting, but most of the direct antiglycation evidence remains experimental or preclinical. We cannot currently say that taking these herbs prevents age-related protein glycation in humans, removes established CML from human tissues, or rejuvenates aged extracellular matrix.

What the research does suggest, however, is a broader and potentially important therapeutic concept. Future approaches to healthy ageing may ultimately involve both sides of the process:

reducing the creation of new molecular damage while developing ways to repair selected forms of damage that have already accumulated.

From a Wildberry perspective, this is particularly interesting because it shifts the discussion away from the idea of a single “anti-ageing” substance. Instead, it invites us to think about ageing as an ongoing relationship between damage, defence, repair and biological organisation — and to ask how nutrition, metabolism, botanical medicine and future molecular technologies might each contribute at different points within that system.

References

Trabosh N, Smith J, Hsu MYH, et al. Reversal of protein chemical aging by enzymatic deglycation. Nature Communications. 2026;17:5926. doi:10.1038/s41467-026-75141-2.
— The central study describing the engineered CMLase/CrGO-897 enzyme and removal of CML from proteins and human tissue samples.
Shamsi A, Ahmed A, Khan MS, Husain FM, Bano B. Rosmarinic acid restrains protein glycation and aggregation in human serum albumin: Multi spectroscopic and microscopic insight. International Journal of Biological Macromolecules. 2020;161:187–193.
— Supports the discussion of rosmarinic acid , protein glycation and protection against glycation-associated protein aggregation.
Peng X, Cheng KW, Ma J, et al. Cinnamon bark proanthocyanidins as reactive carbonyl scavengers to prevent the formation of advanced glycation endproducts. Journal of Agricultural and Food Chemistry. 2008.
— Supports the proposed role of cinnamon polyphenols , including procyanidins, in trapping reactive carbonyl compounds involved in AGE formation.
Peng X, Ma J, Chao J, et al. Beneficial effects of cinnamon proanthocyanidins on the formation of specific advanced glycation endproducts and methylglyoxal-induced impairment on glucose consumption. Journal of Agricultural and Food Chemistry. 2010.
— Examined cinnamon constituents against specific AGEs, including CML and methylglyoxal-derived AGEs .
Ishikawa M, Taniguchi R, Taniguchi T, Yang Z, Nishikata T. Re-evaluation of the anti-glycation activity of herbal extracts using multiple anti-glycation assays. Bioscience, Biotechnology, and Biochemistry. 2026.
— Particularly relevant to Cinnamomum, Pueraria and Coptis , and useful because it distinguished activity during glycation from effects observed when extracts were added after glycation-related modifications had already developed.
Cardoso FN, Dos Santos Nunes EV, Figueiredo ID, et al. Cissus verticillata leaf extract decreases the production of AGEs and ROS in vitro. Molecules. 2026;31(4):697. doi:10.3390/molecules31040697.
— Emerging evidence for Cissus verticillata , including inhibition of AGE formation, protein carbonyl formation and glycoxidative stress.
Amin A, Ávila-Quezada GD. Polyphenol-based modulation of the Glo1–Nrf2–RAGE axis in diabetes and neurodegeneration: mechanistic evidence, translational constraints, and critical appraisal. Frontiers in Pharmacology. 2026;17:1877182. doi:10.3389/fphar.2026.1877182.
— Useful mechanistic review for curcumin and other polyphenols , particularly their potential influence on glyoxalase-1, Nrf2 antioxidant defence and AGE/RAGE inflammatory signalling.
Li M, Zhang C, Ma J, et al. Curcumin attenuates liver injury by modulating the AGE-RAGE axis and metabolic homeostasis in high-fat diet/streptozotocin-induced type 2 diabetic mice. Frontiers in Nutrition. 2025;12:1710380. doi:10.3389/fnut.2025.1710380.
— Preclinical support for curcumin’s effects on AGE–RAGE, NF-κB and metabolic/inflammatory signalling ; this should not be interpreted as evidence of AGE removal in humans.
Kim J, Kim KM, Kim CS, et al. Protective effects of Puerariae radix extract and its single compounds on methylglyoxal-induced apoptosis in human retinal pigment epithelial cells. 2014.
— Supports the discussion of Pueraria/kudzu in relation to methylglyoxal-associated glycation stress.
Ghodsi R, Kheirouri S. Carnosine and advanced glycation end products: a systematic review. Amino Acids. 2018;50(9):1177–1186. doi:10.1007/s00726-018-2592-9.
— Useful supporting reference for the optional discussion of carnosine as a nutritional antiglycation compound . Human evidence remains much more limited than the laboratory and animal evidence.
Tanwar V, Kapahi P, Newman JC, Stubbs B. Reduction of glycation stress as a geroscience intervention: protocol for a pilot RCT in postmenopausal women. npj Aging. 2026. doi:10.1038/s41514-026-00373-x.
— The GRACE trial , testing the GLYLO formulation containing alpha-lipoic acid, nicotinamide, pyridoxine, benfotiamine and piperine against AGEs and methylglyoxal in postmenopausal women. This is currently a trial protocol, not evidence of efficacy.

Clinical herbal medicine grounded in science and individualised care.

When “Normal Iron” Does Not Tell the Whole Story

Wed, 19 Aug 2026 06:43:43 GMT

Why normal serum iron can coexist with depleted stores—and how we investigate low ferritin and support healthy iron status at Wildberry Clinic.

A normal serum iron result is not the end of the investigation

“My blood iron was normal, so why did I still feel as though something was being missed?” At Wildberry Clinic, we recently saw a familiar clinical pattern. A patient’s serum iron result sat within the laboratory range, yet they were experiencing fatigue that did not improve with sleep, recurrent mouth ulcers, occasional palpitations, brain fog, dizziness, brittle nails and persistently cold hands and feet.

These symptoms do not diagnose iron deficiency. They overlap with many other problems, including anaemia, vitamin B12 or folate deficiency, thyroid disease, sleep disorders, infection, inflammation and cardiovascular conditions. What they did tell us was that one serum iron result should not be treated as the whole story. The useful clinical question is not simply, “Is the blood iron normal?” It is: "Are iron stores adequate, is iron available to the tissues that need it, and why does the overall pattern look the way it does?"

“Blood iron” is not one test

Iron status is better understood as a pattern than as a single number.

Serum iron - The iron circulating in the blood at that moment. It can vary with time of day, recent food or supplements, illness and other factors.

Ferritin - A protein that broadly reflects stored iron. A genuinely low ferritin usually indicates depleted iron stores, but a normal or high result can be influenced by inflammation and liver or metabolic health.

Transferrin or TIBC - The blood’s capacity to bind and transport iron.

Transferrin saturation (TSAT) - The proportion of transferrin that is carrying iron. It helps assess how much iron is available in circulation and is especially useful when ferritin is raised.

Full blood count (FBC/CBC) - Whether anaemia or changes in red-cell size and haemoglobinisation are present.

CRP and/or ESR - Whether inflammation may be affecting ferritin and iron availability.

A person can have depleted iron stores before haemoglobin falls outside the laboratory range. In other words, “not anaemic” does not always mean “iron stores are adequate.” A normal serum iron result can also be reassuring in isolation while ferritin, TSAT or the full blood count points to a different stage of the problem.

What does low ferritin mean?

In the absence of significant inflammation, a low ferritin is strong evidence that iron stores are depleted. Iron deficiency often develops in stages: storage iron falls first, iron delivery may then become restricted, and anaemia may appear later. Possible symptoms can include:

persistent fatigue or reduced exercise tolerance;
poor concentration, brain fog or headaches;
dizziness, breathlessness or palpitations;
restless legs;
hair shedding;
a sore tongue, cracks at the corners of the mouth or recurrent mouth symptoms;
brittle or spoon-shaped nails; and
feeling unusually cold.

None of these symptoms is specific to iron deficiency, and some people with low stores have few obvious symptoms. The result has to be interpreted alongside the person’s history, examination and other tests.

The most important question: why are the stores low?

Low ferritin is a finding, not a complete diagnosis. Replacing iron without understanding the cause can allow ongoing blood loss, malabsorption or another condition to remain untreated. Possible reasons include:

menstrual or other blood loss;
pregnancy or increased requirements;
low dietary iron intake;
frequent blood donation;
reduced absorption, including coeliac disease or other gastrointestinal disease;
previous gastrointestinal surgery;
medicines that contribute to bleeding or affect absorption;
bleeding from the stomach or bowel; or
several smaller factors acting together.

The likely explanation changes with age, sex, menstrual status and clinical history.

Perimenopause: iron loss may increase before it stops

It is easy to assume that iron loss must diminish as menopause approaches. In reality, perimenopause can bring irregular, prolonged or heavier bleeding. Some women therefore reach menopause with significantly depleted iron stores.

Fatigue, poor concentration, hair shedding, palpitations or reduced exercise tolerance may be attributed entirely to “hormones,” while abnormal uterine bleeding and iron depletion are also contributing.

The clinical task is to separate three overlapping layers:

hormonal symptoms ↔ consequences of abnormal uterine bleeding ↔ iron depletion

Giving iron without assessing heavy or abnormal bleeding is incomplete care. The bleeding needs its own evaluation.

After menopause: low ferritin deserves a clear explanation

Once menstrual loss has ceased, there should no longer be routine monthly iron loss. Low ferritin after menopause therefore becomes more of a signal to investigate the cause.

Diet can contribute, but clinicians may also need to consider gastrointestinal blood loss, coeliac disease, malabsorption, regular use of medicines such as NSAIDs, blood donation and other causes. New postmenopausal bleeding requires medical assessment in its own right.

In men: do not assume diet is the whole answer

The same principle applies to men. When iron stores are depleted, it is important to consider gastrointestinal loss, coeliac disease, malabsorption, blood donation, medicines and other causes rather than simply recommending iron and moving on.

High ferritin does not automatically mean iron overload

Raised ferritin can be confusing because ferritin is both an iron-storage protein and an acute-phase protein. It may rise when the body is responding to inflammation or tissue stress, even when there is no harmful excess of stored iron. Common causes of raised ferritin include:

infection or inflammation;
fatty liver or other liver injury;
higher alcohol intake;
metabolic dysfunction or obesity;
kidney disease;
iron supplementation or repeated transfusion;
hereditary haemochromatosis or another iron-loading condition; and
less commonly, some malignancies or inflammatory disorders.

Ferritin alone cannot diagnose iron overload. A raised ferritin with a persistently raised TSAT is more suggestive of excessive iron loading than a raised ferritin with a normal or low TSAT, but the whole clinical context still matters.

What symptoms occur when ferritin is high?

Often, raised ferritin itself causes no symptoms. Symptoms usually arise from the condition that is raising ferritin or, where true iron overload is present, from iron accumulating in tissues and organs. Possible features of haemochromatosis or more advanced iron overload can include:

persistent fatigue — a deep, lasting tiredness that may not improve with sleep;
joint pain — classically involving the second and third knuckle joints;
upper abdominal discomfort — sometimes felt on the right side near the liver;
skin pigmentation changes — a grey or bronze appearance;
sexual or hormonal symptoms — including lower libido or erectile dysfunction;
unexplained weight loss in some underlying illnesses; and
heart rhythm or cardiac problems in advanced iron overload.

These symptoms are not a reliable way to identify high ferritin or haemochromatosis. They are reasons to investigate appropriately, not to self-diagnose.

What symptoms signal low ferritin?

Low ferritin can produce symptoms before haemoglobin falls into the anaemic range because iron is needed not only for red-blood-cell production, but also for mitochondrial energy, muscle function, temperature regulation and nervous-system activity.

People may experience persistent fatigue, reduced stamina, breathlessness on exertion, palpitations, dizziness, headaches, brain fog, poor concentration, restless legs, hair shedding, brittle nails, a sore tongue, cracks at the corners of the mouth, recurrent mouth ulcers and unusually cold hands and feet.

The pattern varies between individuals, but symptoms that persist despite a “normal iron” result are a reason to assess ferritin and the wider iron profile.

Which tests help clarify the picture?

A sensible starting panel often includes:

a full blood count with red-cell indices;
ferritin;
serum iron;
transferrin or total iron-binding capacity;
transferrin saturation;
CRP and/or ESR when inflammation is relevant;
liver and kidney function tests; and
a review of medicines, supplements, alcohol intake, menstrual history, blood donation and possible blood loss.

Further testing depends on the pattern. It may include vitamin B12 and folate, coeliac serology, thyroid testing, reticulocyte haemoglobin, soluble transferrin receptor testing, gynaecological assessment or gastrointestinal investigation. Persistently raised ferritin and TSAT may prompt HFE genetic testing or specialist assessment; selected cases may need MRI measurement of liver iron.

No single universal ferritin cut-off fits every laboratory, pregnancy stage or inflammatory state. Results should be interpreted using the reporting laboratory’s reference information and the person’s clinical context.

Hepcidin: the hormone that controls the iron gate

Hepcidin helps explain why ferritin and circulating iron can sometimes seem to tell different stories. It is a hormone made mainly by the liver. It binds to ferroportin , the transport protein that allows iron to leave intestinal cells and storage cells and enter the circulation.

When hepcidin rises , ferroportin is removed from the cell surface. Less iron is absorbed from the gut and less stored iron is released into the blood.
When hepcidin falls , more iron can pass into the circulation.

Inflammation commonly raises hepcidin. This can create functional iron restriction : the body may have iron in storage, and ferritin may be normal or high, but less iron is available for red-blood-cell production and other tissues.

At the other end of the spectrum, hereditary haemochromatosis can involve inadequate hepcidin signalling. The intestinal “gate” remains too open, allowing excessive iron absorption over time.

Hepcidin is clinically important, but it is not yet a routine diagnostic test in most everyday settings. We usually infer its effects from the wider laboratory and clinical pattern.

Dietary advice for low iron stores

Food is an important part of the plan, although diet alone may not correct significant deficiency, ongoing blood loss or malabsorption.

Build meals around iron-containing foods

Heme iron: meat, poultry, fish and seafood. This form is generally absorbed more efficiently.
Non-heme iron: lentils, beans, chickpeas, tofu, nuts, seeds, leafy greens and iron-fortified foods.

Improve absorption where possible

Pair plant sources of iron with vitamin-C-rich foods such as peppers, tomatoes, citrus fruit, kiwi, berries or broccoli. Tea and coffee can reduce non-heme iron absorption, so people with low stores may benefit from taking them away from iron-rich meals. Large calcium-rich servings can also compete with iron absorption; timing matters more than eliminating nutritious foods.

If iron stores are low despite a seemingly adequate diet, the answer is not always to eat more iron. Ongoing loss, impaired absorption, inflammation and medicines may need attention.

Dietary advice when ferritin is raised

Do not start an iron-restricted diet—or continue an iron supplement—until the cause of the raised ferritin and the TSAT are understood.

When ferritin is raised because of liver or metabolic health, attention may need to focus more on alcohol intake, liver risk, metabolic health and the underlying inflammatory condition than on removing every iron-containing food. Confirmed iron overload requires a medically supervised plan; it should not be managed by extreme dietary restriction alone.

How we treat low iron and ferritin at Wildberry Clinic

Our therapeutic objective is to restore iron availability, rebuild physiological reserve and correct the conditions that allowed depletion to develop. We treat the whole pattern: iron intake and absorption, blood loss, digestive function, inflammatory regulation, energy production, recovery and the person’s wider hormonal and metabolic context.

Our care pathway

Using the history and test pattern described above, we identify the likely source of depletion or restriction and build treatment around it. This may involve management of heavy or abnormal menstrual bleeding, gastrointestinal or coeliac investigation, treatment of digestive disease, correction of dietary insufficiency and coordination with the person’s GP or specialist. Iron replacement is selected and adjusted for the severity of depletion, absorption and digestive tolerance, while nutrition and herbal medicine rebuild the broader conditions needed for recovery.

Herbal medicine is an active part of the treatment strategy

Herbs are selected to work across the physiology surrounding iron restoration rather than being reduced to a single mineral value. A formula may combine nutritive rebuilding, digestive and hepatobiliary support, improved assimilation, bowel regulation, inflammatory modulation, menstrual support and restoration after prolonged fatigue or depletion.

Nutritive and mineral-rich rebuilding:

Nettle leaf as a long infusion, food or formula herb;

alfalfa leaf as a nutritive tonic;

moringa leaf powder for its concentrated nutritional profile;

spirulina as an iron-, protein- and phycocyanin-containing supplemental food;

goji berries as a nourishing food-herb used in food, teas or decoctions.

Digestive function and assimilation:

Dandelion root as a bitter decoction or tincture;

yellow dock root within a traditional blood-building formula;

ginger where digestive warmth, circulation or tolerance of iron preparations needs support.

Inflammatory and hepcidin context:

An individually designed anti-inflammatory formula where chronic inflammatory signalling appears to be restricting iron availability. The herbs are chosen according to the source of inflammation, digestive function, medicines and the wider clinical pattern.

Restoration, stress resilience and recovery:

Ashwagandha root or another suitable adaptogen when prolonged stress, poor sleep, weakness or slow recovery is part of the presentation. This is integrated with the nutritive and iron-restorative elements of the formula.

Supplements are matched to the biochemical pattern

Iron may be suggested as a conventional ferrous salt or a better-tolerated form such as iron bisglycinate, depending on the person’s laboratory results, symptoms, digestive tolerance and treatment response. Vitamin C may be paired with iron to support absorption. Folate, vitamin B12, vitamin B6, riboflavin, copper and other erythropoietic cofactors are assessed and corrected where relevant rather than assuming that iron is the only missing component.

We monitor restoration and adjust the plan

Follow-up brings symptoms, tolerance and repeat laboratory results back together. We look for recovery of haemoglobin where it was low, replenishment of ferritin, improved iron availability and a corresponding return of energy, cognition, temperature regulation, exercise tolerance and tissue resilience. If recovery is slower than expected, we reassess continued loss, absorption, inflammatory restriction, medicines, adherence and the completeness of the original explanation.

When should you arrange a review?

Please arrange a review with Wildberry Clinic or your GP if you have persistent fatigue, recurrent mouth symptoms, unexplained dizziness, palpitations, breathlessness, restless legs, hair shedding, brittle nails or cold intolerance—especially if symptoms are new, worsening or not explained by a single test result.

You should also seek assessment if ferritin is repeatedly low or high, if bleeding has become heavy or irregular, if low stores are found after menopause or in a man, or if you have abdominal, bowel, liver, joint, skin or hormonal symptoms that need explanation.

Persistent palpitations, chest pain, fainting, marked breathlessness, severe dizziness, black or bloody stools, vomiting blood or heavy uncontrolled bleeding require prompt medical attention.

Key takeaways

A normal serum iron result does not automatically exclude depleted iron stores.
Ferritin, TSAT, the full blood count, inflammation and the clinical history belong together.
Low ferritin should lead to a search for the cause, not only a supplement recommendation.
Perimenopause can increase iron loss through heavier or prolonged bleeding.
Low ferritin after menopause or in men deserves a clear explanation.
High ferritin is often a marker of inflammation, liver or metabolic health; it is not proof of iron overload.
Hepcidin helps explain why stored iron and available iron can move in different directions.
Treatment—dietary, conventional or botanical—should match the confirmed pattern and its cause.

Disclaimer

This article is for educational purposes and does not replace individual medical assessment, diagnosis or treatment. Low or raised ferritin, anaemia, abnormal bleeding, suspected blood loss and possible iron overload require appropriate clinical investigation. Iron supplements, herbal medicines and other treatments should be selected for the individual and reviewed alongside medicines, pregnancy, medical history and blood-test results. Do not start, stop or change prescribed treatment without guidance from an appropriately qualified healthcare professional.

Sources

World Health Organization. G uideline on use of ferritin concentrations to assess iron status in individuals and populations: https://www.who.int/publications/i/item/9789240000124
British Society of Gastroenterology. Guidelines for the management of iron deficiency anaemia in adults: https://pmc.ncbi.nlm.nih.gov/articles/PMC8515119/
European Association for the Study of the Liver. Clinical Practice Guidelines on haemochromatosis: https://easl.eu/wp-content/uploads/2022/06/PIIS01688278220021121.pdf
NIH Office of Dietary Supplements. Iron — Health Professional Fact Sheet: https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/
HSE Ireland. Iron deficiency anaemia: https://www2.hse.ie/conditions/iron-deficiency-anaemia/
NCBI Bookshelf. Physiology, Hepcidin: https://www.ncbi.nlm.nih.gov/books/NBK538257/

From Plant to Prescription: The Olive Tree — One Tree, Two Medicinal Paths

Mon, 17 Aug 2026 07:26:05 GMT

From ancient hearths to modern herbal medicine, the story of a tree that has nourished, illuminated and cared for humanity for thousands of years.

An olive tree never looks hurried.

Its trunk thickens and twists; its bark records heat, wind and drought. The leaves are green above and silver beneath, so the whole crown appears to change colour when the wind moves through it. Small pale flowers become hard green fruits, which slowly darken as they ripen.

Its beauty is inseparable from its usefulness. For communities around the Mediterranean and Near East, the olive tree offered fruit, oil, wood, fuel, shade and leaves. Its oil fed people, burned in lamps, perfumed and anointed the body, accompanied ritual, and carried medicines. Because a grove takes years to mature but can serve generations, the olive also came to represent continuity, peace and endurance.

The medical history of the olive makes most sense when we begin with that larger relationship. Humanity did not discover an “olive remedy” at one particular moment. People first learned to use the whole tree. Medicine emerged from that accumulated knowledge.

From wild olive to cultivated grove

The earliest chapter begins long before agriculture or writing. In two caves on the Atlantic coast of Morocco, archaeologists found wild-olive wood and fragmented olive stones dating to around 100,000 years ago. The evidence suggests that early Homo sapiens used the fruit and then burned the broken, oil-rich stones as fuel.

Much later, people learned to separate the oil from the fruit. At Kfar Samir, a submerged settlement on the Carmel coast, archaeologists found thousands of crushed olive stones together with stone basins and woven baskets interpreted as strainers. The site, dated to approximately 7,500–7,000 years ago, provides some of the earliest evidence of organised olive-oil extraction.

The next transformation was horticultural. At Tel Tsaf in the central Jordan Valley, charred olive wood dating to about 7,000 years ago was found outside the wild olive’s natural range. Fruit might have arrived through trade; quantities of wood suggest that the trees themselves were growing nearby. People were no longer simply gathering olives. They were establishing groves.

That decision changed the relationship between plant and people. Annual crops promise food for the next season. An olive grove asks a family or community to think in decades: who owns the land, who tends the young trees, and who will inherit their harvest? The olive became part of settlement, trade and continuity between generations.

When olive oil entered the written record

Archaeology shows us stones, wood and pressing equipment. Writing later shows us how societies organised the oil.

Among the earliest surviving written records are cuneiform tablets from the palace archive at Ebla in northern Syria, dating to approximately 2350–2250 BCE, which document olive cultivation and oil production. Mycenaean Linear B tablets from the second millennium BCE later recorded olive oil within palace economies, including perfumed oils and religious offerings. By then, olive oil was not merely something to eat. It was measured, stored and traded. It illuminated houses and sanctuaries. It was used in fragrance, body care, ceremony and the preparation of remedies.

This helps explain why olive oil appears so naturally in one of the earliest substantial medical texts to survive.

Olive oil enters medicine: an Egyptian facial preparation

The Ebers Papyrus, compiled around 1550 BCE, includes a preparation for a concern that remains familiar today: wrinkles.

Egyptian facial preparation, c. 1550 BCE
Ingredients: incense cake, wax, fresh olive oil, cyperus and fresh milk.
Method: crush and grind the solid ingredients, combine them with fresh milk and apply for six days.
Recorded use: “to drive away wrinkles from the features.”

This is an early example of compounding. The finished preparation was not simply olive oil placed on the skin. Oil, wax, aromatic resin, plant material and milk were combined to create a preparation with texture, spreadability and staying power.

Why was olive oil used in topical preparations?

Olive oil could perform several jobs at once:

It spread easily. A small quantity could carry other ingredients over the skin.
It softened and lubricated. This made it useful in preparations for dry or rough surfaces.
It dispersed other materials. Crushed plants, powders and aromatic resins could be distributed through the oil rather than applied separately.
It carried oil-soluble constituents. Fragrant and resinous components could move into the oily phase of a preparation.
It combined with wax. Oil supplied softness and movement; wax supplied body. Together they could form an ointment-like preparation that remained where it was applied.

Olive oil was also familiar. People already used it for washing, massage, anointing and fragrance. Its entry into topical medicine was therefore an extension of everyday knowledge about how oil behaved on the body.

The leaf becomes a medicine of its own

Olive oil dominated domestic and ceremonial life, but the leaf followed a separate medical path.

In the first century CE, Pliny the Elder described olive leaves as strongly astringent, cleansing and binding. He also recorded how their juice was prepared and preserved.

Pliny’s concentrated olive-leaf preparation
Ingredients: olive leaves, wine and rainwater.
Method: crush the leaves with the liquids, draw off the juice, dry it and work it into small “lozenges”.
Recorded use: a concentrated material for medicinal salves, particularly preparations for the eyes and skin.

The “lozenges” were not sweets. They were small dried medicinal cakes or tablets. Drying made the leaf preparation easier to store; a compounder could later take a measured portion and add it to a salve.

This recipe marks an important change in the story. The leaf was no longer a secondary part of the tree. It had become a medicinal material in its own right, with its own extraction method, dosage form and uses.

From traditional preparation to official pharmacy

For centuries, olive oil continued to serve as both a substance in its own right and a base for extracting other plants. By the nineteenth century, pharmacopoeias began to define that work more precisely.

The 1884 French Codex medicamentarius gave a formula for chamomile oil:

French chamomile oil, 1884
Ingredients: 100 g dried Roman chamomile flowers and 1,000 g olive oil.
Method: heat in a covered water bath for two hours, stirring occasionally; then press and filter.
Use: an external medicated oil, used by itself or incorporated into liniments for rubbing over painful, stiff or spasmodic areas.

The 1909 Italian Pharmacopoeia recorded a related preparation, but used a different proportion and method:

Italian chamomile oil, 1909
Ingredients: one part fresh chamomile flowers and four parts olive oil.
Method: macerate for several days in a covered vessel; then strain through cloth, press and filter.
Use: a chamomile-infused oil for external application and topical compounding.

The pharmacopoeial entries standardised how pharmacists were to make the oil; they did not attach it to one diagnosis. Contemporary dispensatories supply the missing context. They classed medicated oils as external medicines, and Dorvault’s L’Officine instructed pharmacists to combine equal parts of chamomile oil and camphorated olive oil to make huile de camomille camphrée. An earlier French materia medica described a liniment of lavender, St John’s wort and chamomile oils for rubbing in cases of rheumatism, paralysis and what the text called “convulsive movements”.

The purpose was therefore topical soothing through friction: chamomile supplied the medicinal flower constituents, while olive oil extracted them, spread them over the skin and made massage possible.

The leaf enters the modern pharmacopoeia

The leaf’s route into modern pharmacy was different. European practitioners used olive leaf as a bitter febrifuge during the nineteenth century. In 1854, the pharmacist Daniel Hanbury described an olive-leaf tincture used for severe and intermittent fevers. Spanish physicians and French medical officers had also used the leaves in this way.

Modern pharmacopoeias shifted the emphasis from a list of traditional uses to verifiable identity and composition. The European Pharmacopoeia defines Oleae folium as the dried leaf of Olea europaea L. containing at least 5% oleuropein, a bitter constituent. A separate monograph covers dry olive-leaf extract. The European Medicines Agency’s historical review also records a water preparation:

Traditional olive-leaf decoction
Ingredients: up to 10 g dried olive leaves and 300 mL water.
Method: boil until 200 mL remains, then filter.
Recorded use: a traditional mild diuretic preparation used to promote renal water elimination.

The sequence is now clear. Pliny concentrated fresh leaf juice for salves. Later European practice prepared the dried leaf in water or as powder and tincture. Modern pharmacopoeias then defined the identity and chemical quality of the medicinal leaf.

Olive oil and olive leaf today: one tree, two modern paths

Thousands of years after the first olives were gathered and pressed, the tree still contributes to health in two distinct ways. The fruit gives us an oil whose strongest evidence comes from regular dietary use; the leaf has become a herbal medicine prepared as tea, powder, tincture or concentrated extract.

Olive oil: medicine through nourishment

Extra-virgin olive oil is not usually taken as a short course of treatment. Its value emerges through regular use as part of a Mediterranean dietary pattern—alongside vegetables, legumes, whole grains, nuts, fish and other minimally processed foods.

This was demonstrated in the PREDIMED trial, which followed people at high cardiovascular risk. Those assigned to a Mediterranean diet supplemented with extra-virgin olive oil or nuts experienced fewer major cardiovascular events than those following the control diet.

The European Union supports the claim that olive-oil polyphenols help protect blood lipids from oxidative stress when the oil supplies the required amount of hydroxytyrosol and related compounds. Not every olive oil contains the same quantity: variety, ripeness, harvesting, processing and storage all influence its polyphenol content.

Olive leaf: a more concentrated herbal preparation

The leaf follows a different route. Clinical research has explored its possible influence on blood pressure, vascular function, blood lipids, glucose regulation, oxidative stress and inflammatory markers. The results vary, partly because “olive leaf” can describe several quite different preparations.

A cup of leaf tea, a tincture and a standardised extract do not necessarily deliver the same constituents in the same concentrations. The form of the medicine is therefore central to understanding both its purpose and the evidence behind it.

The European Medicines Agency recognises olive leaf’s longstanding use for promoting renal water elimination in mild fluid retention, once more serious causes have been excluded. This reflects one of the leaf’s oldest surviving roles in European herbal medicine.

How olive leaf is prepared today

Modern herbal practice continues to use the leaf in several forms:

Infusion or decoction: dried olive leaf is prepared in hot water. This is the form most closely connected with older European practice and its use in supporting renal water elimination.
Powdered leaf: the whole dried leaf is milled and supplied in capsules or tablets, providing a measured quantity of the plant material.

Tincture or liquid extract: medical herbalists may include olive leaf within an individually formulated prescription. A liquid extract makes it possible to combine the leaf with other herbs and adjust its proportion according to the purpose of the formula.

Standardised dry extract: frequently used in clinical studies and manufactured products because it provides a defined concentration of selected olive-leaf constituents, commonly expressed according to its oleuropein content.

In contemporary practice, olive leaf is often placed within a broader cardiovascular or metabolic formulation. It may be considered when the clinical picture includes mildly raised blood pressure, altered vascular function, blood-lipid concerns or impaired glucose regulation. Its traditional renal action may also be relevant when mild fluid retention forms part of the wider picture.

A new question: olive leaf and SIBO

One of the newest areas of interest comes from digestive research. In 2025, a small randomised, open-label study followed 49 adults with breath-test-confirmed small intestinal bacterial overgrowth, or SIBO.

Participants in the treatment group prepared a tea using 1.7 grams of powdered olive leaf in 250 millilitres of hot water, taken twice daily for two months. Their gastrointestinal symptom scores improved, and 88% had a normal follow-up breath test, compared with 4.2% of the control group.

This was the first small study to examine olive-leaf tea used alone in this setting. It does not yet place SIBO among the leaf’s established applications, but it opens an intriguing new direction for research—particularly because the preparation was a simple tea rather than a highly concentrated extract.

The plant is chosen; the person guides the prescription

Olive leaf is rarely considered in isolation. Its place within a herbal prescription depends on the individual: their blood pressure, metabolic and digestive pattern, the purpose of the formula, the other herbs being used and any medicines already being taken.

The wider plan may also address food, movement, sleep, stress, body composition and appropriate medical monitoring. The leaf becomes one carefully selected part of that plan rather than the whole of it.

The two modern paths of the olive tree are therefore quite different. Olive oil works principally through nourishment and regular dietary use. Olive leaf is prepared as a more targeted herbal medicine. One comes from the fruit and the other from the silver-green canopy—but both continue the tree’s remarkable relationship with human health.

One tree, two medicinal paths

Olive oil began as food, fuel, light and body care. These physical uses made it a natural ingredient in ancient topical preparations and, later, a valuable pharmaceutical carrier for medicated oils, ointments and liniments. Today, its strongest evidence belongs to nutrition and the Mediterranean dietary pattern.

Olive leaf began as an astringent plant material that could be crushed, extracted, dried or boiled. It later became a pharmacopoeial substance defined by botanical identity and oleuropein content. Today, it remains a preparation-dependent herbal medicine with a narrower recognised traditional use and several areas of ongoing research.

One tree, two medicinal paths: the fruit gave an oil that nourished, illuminated, softened and carried remedies; the leaf became a medicine with its own preparations, purposes and place in the pharmacopoeia. Their histories diverged, but their gifts came from the same silver-green crown.

Across thousands of years, the olive tree has given humanity food and shade, wood and fuel, light for the darkness, oil for the skin, a carrier for medicines and leaves for the healer’s store. It has stood beside households, temples, farms, apothecaries and modern laboratories, quietly offering one useful part after another.

So the final word belongs to the tree itself: thank you, olive tree —for your abundance, patience and endurance, and for all the ways you have helped human life to continue and flourish. For thousands of years, humanity has tended the olive; for thousands of years, the olive has helped to tend humanity.

References

Marquer L, et al. The first use of olives in Africa around 100,000 years ago. Nature Plants. 2022;8:204–208. Research article .
Langgut D, Garfinkel Y. 7000-year-old evidence of fruit tree cultivation in the Jordan Valley, Israel. Scientific Reports. 2022;12:7463. Research article .
Galili E, et al. Evidence for earliest olive-oil production in submerged settlements off the Carmel coast, Israel. Journal of Archaeological Science. 1997;24:1141–1150. Publication .
Archi A. Culture de l’olivier et production de l’huile à Ebla. 1991. Cuneiform Digital Library Initiative record .
Melena JL. Olive oil and other sorts of oil in the Mycenaean tablets. Publication record .
Bryan CP. The Papyrus Ebers. London: Geoffrey Bles; 1930. English text .
Pliny the Elder. Natural History, Book XXIII. Olive passages .
Codex medicamentarius: Pharmacopée française. Paris; 1884. “Huile de camomille.” Digitised text .
Farmacopea ufficiale del Regno d’Italia. 1909. “Olio di olive” and “Olio di camomilla.” Digitised text .
Dorvault F. L’Officine ou Répertoire général de pharmacie pratique. Paris: Labé; 1844. “Huiles médicinales”, “Huile de camomille” and “Huile camphrée”. Digitised book .
Chomel PJB, Maillard JBN. Histoire abrégée des plantes usuelles. Paris: Duprat-Duverger; 1804. Chamomile-containing liniment. Digitised book .
European Medicines Agency. Assessment report on Olea europaea L., folium. Assessment report .
Estruch R, et al. Primary prevention of cardiovascular disease with a Mediterranean diet supplemented with extra-virgin olive oil or nuts. N Engl J Med. 2018. PubMed .
Zafar A, et al. Therapeutic effects of olive leaf tea (Olea europaea L.) on gastrointestinal symptoms and body composition in adults with small intestinal bacterial overgrowth. Front Nutr. 2025;12:1659500. Research article .
A GRADE-assessed systematic review and meta-analysis of olive leaf or olive pomace supplementation. 2026. PubMed .
European Commission. Authorised health claim for olive-oil polyphenols and protection of blood lipids from oxidative stress. EU Register .

IBS: The Person Before the Formula

Fri, 14 Aug 2026 08:49:28 GMT

Herbal medicine begins with plants, but choosing the right herbs begins with the person. That distinction matters in IBS, because the same diagnosis can describe very different digestive patterns.

IBS is one diagnosis, not one experience

Irritable bowel syndrome (IBS) is a recognised disorder of gut-brain interaction. It is commonly associated with recurrent abdominal pain and a change in bowel habit, but it does not look the same in everyone. One person may be mainly constipated; another may have diarrhoea, alternating stools, urgency, bloating or painful spasm. Symptoms may also change over time.

For this reason, the diagnostic label is only the beginning of the clinical conversation. Current gastroenterology guidance supports a positive diagnosis when the symptom pattern fits and appropriate focused checks have been completed. The next question is not simply, "What treats IBS?" It is, "What is happening in this person's digestion, and what appears to influence it?"

What a herbal consultation looks for

The aim is to build a clear picture of the pattern rather than drawing conclusions from one isolated symptom. A consultation may explore stool frequency and form, pain, bloating, urgency, incomplete emptying, the relationship to meals, and whether symptoms improve after a bowel movement. The sequence and timing often matter as much as the symptom itself.

The wider context is equally important: usual diet, recent dietary restriction, appetite, reflux or upper-digestive symptoms, sleep, stress, physical activity, menstrual or menopausal timing, previous infection or antibiotic use, medication and supplement history, and other medical conditions. Where appropriate, a short symptom-and-food diary can make patterns easier to see without assuming that every food eaten before a flare is necessarily the cause.

This is also where a practitioner checks whether the presentation still fits IBS or whether further medical investigation is needed. A carefully taken history is not merely preparation for choosing herbs; it identifies the treatment priorities and helps determine what kind of formula is needed.

From assessment to treatment priorities

Herbal treatment does not begin with a shelf of digestive remedies. It begins by deciding what treatment needs to achieve for this person. Two people may share an IBS diagnosis while requiring very different first priorities. The dominant bowel pattern, the timing of symptoms and the wider health context guide the order in which those priorities are addressed.

Regulating the bowel pattern

Where constipation, diarrhoea or alternating stools dominate, treatment is organised around the direction and variability of the bowel pattern. The aim is not simply to push the bowel in the opposite direction, but to encourage a more predictable rhythm, improve stool consistency and reduce the instability that makes symptoms difficult to manage.

This requires attention to transit time, hydration, fibre tolerance, urgency, incomplete emptying and the possibility that more than one process is operating. A mixed pattern is not treated as separate episodes of constipation and diarrhoea without first asking what may be driving the alternation.

Reducing spasm, pain and digestive reactivity

When cramping, bloating, painful gas or urgency are prominent, one treatment priority may be to reduce excessive digestive reactivity. The practitioner considers where discomfort occurs, whether it changes after eating or passing stool, and whether the abdomen feels tense, distended, tender or relieved by warmth. These details help distinguish a predominantly spasmodic presentation from one driven more by stool retention, fermentation or another factor.

Treatment can then be formulated to calm spasm, improve comfort and make digestive responses less abrupt, while still preserving normal movement. Symptom relief is important, but it is linked to the wider aim of helping the digestive system respond more steadily to food, stress and daily activity.

Supporting digestive processing

IBS is often discussed as a condition of the lower bowel, but the consultation may reveal that symptoms begin earlier in digestion. Appetite, chewing, meal size, fullness, nausea, reflux, belching and the timing of bloating after food can all help show how effectively a meal is being processed before it reaches the colon.

Where this is relevant, treatment may include actions intended to support the coordinated digestive process rather than concentrating only on the final bowel symptom. This is one reason two people with similar bloating may receive different formulas: the symptom looks similar, but its timing and digestive context suggest different priorities.

Working with gut-brain and hormonal influences

Stress does not explain every case of IBS, and symptoms are not "all in the mind". The gut and nervous system are nevertheless in continuous two-way communication. If symptoms reliably change during anxiety, poor sleep or sustained pressure, the treatment strategy can include nervous-system regulation alongside digestive actions.

The same applies when symptoms vary predictably with the menstrual cycle or during a hormonal transition. The purpose is not to assume that stress or hormones are the cause, but to recognise when they are part of the pattern and to formulate with that wider communication network in mind.

How an individual formula is built

Once the treatment priorities are clear, the practitioner selects herbal actions that correspond to them. A formula usually has a leading purpose, supported by additional actions that address associated features or improve the way the mixture works as a whole. The aim is coherence: each component should have a reason for being present.

The preparation is also part of the treatment decision. An infusion, powder, tincture or capsule does not deliver herbs in exactly the same way, and the most suitable form depends on the actions required, the person's tolerance, the practicalities of taking it and how consistently it can be used.

The formula is kept clear enough to review. If symptoms improve, worsen or change direction, the practitioner can reconsider the original interpretation and adjust the balance of the treatment. Personalisation is therefore an ongoing process, not a single decision made at the first appointment.

A staged approach to treatment

Treatment may be organised in stages. The first phase often concentrates on the most disruptive symptoms and on creating greater stability. Once the bowel pattern is more predictable, the focus can widen to food tolerance, digestive resilience and the circumstances that make relapse more likely.

This does not make the process rigid. Priorities may need to change as the body responds. What matters is that each stage has a clear purpose, observable outcomes and a point at which the plan is reviewed.

The formula is only one part of the plan

Herbal treatment may sit alongside changes to meal timing, fibre intake, hydration, movement, sleep and stress regulation. A limited low-FODMAP trial can help some people, but it is a structured process of restriction followed by reintroduction and personalisation, ideally supported by a suitably trained dietitian. It is not intended to become an indefinitely restrictive diet.

Progress is then reviewed rather than assumed. Useful measures may include pain frequency, bloating, urgency, stool form and frequency, food tolerance, sleep and quality of life. If a formula is not helping, or aggravates symptoms, the working interpretation and treatment need to be reconsidered. Individualisation is not only how a formula begins; it is also how it is monitored and changed.

When medical assessment is important

Seek medical assessment for new or changing bowel symptoms, rectal bleeding, unexplained weight loss, anaemia, fever, persistent night-time symptoms, severe or progressive pain, a family history of bowel cancer or inflammatory bowel disease, or any presentation that does not behave like a previously assessed IBS pattern.

Depending on the presentation, medical assessment may include a blood count, inflammatory markers, coeliac testing and, particularly with diarrhoea, faecal calprotectin or other targeted investigations. IBS can often be diagnosed positively without exhaustive testing, but safety-netting remains essential.

The person before the formula

There is no single "IBS herb" because IBS is not a single, identical experience. A thoughtful herbal approach begins by understanding the person's symptom pattern, digestive function, wider health and triggers. Only then can herbal actions be selected and combined with a clear purpose.

The plants matter. The preparation matters. But the person comes first.

Educational and safety note.

This article provides general educational information and is not a substitute for medical diagnosis or individual clinical advice. Herbal medicines can cause adverse effects and interact with prescription medicines. Their suitability depends on the person, preparation and dose.

References and further reading

National Institute for Health and Care Excellence (NICE). Irritable bowel syndrome in adults: diagnosis and management. Clinical guideline CG61. View guidance

Vasant DH, Paine PA, Black CJ, et al. British Society of Gastroenterology guidelines on the management of irritable bowel syndrome. Gut. 2021;70:1214-1240. doi:10.1136/gutjnl-2021-324598. View guideline

Lacy BE, Pimentel M, Brenner DM, et al. ACG Clinical Guideline: Management of Irritable Bowel Syndrome. American Journal of Gastroenterology. 2021;116(1):17-44. doi:10.14309/ajg.0000000000001036. View guideline

Bone K, Mills S. Principles and Practice of Phytotherapy: Modern Herbal Medicine. 2nd ed. Churchill Livingstone Elsevier; 2013. View publisher record

Research In Focus: Diet for Good Bone Health

Wed, 12 Aug 2026 07:27:02 GMT

Good bone health depends on more than calcium. We explore food, digestion, the ageing microbiome, muscle, menopause and fracture risk—and examine what the evidence really says about popular foods, probiotics and supplements.

When people think about eating for healthy bones, calcium is usually the first nutrient that comes to mind. It is important—but it is only one part of the story. Bone is living tissue. Throughout life, areas of older bone are removed and replaced with newly formed tissue. This continuous renewal helps the skeleton respond to physical demands, repair microscopic damage and maintain its structure. To do this well, the body needs sufficient energy, protein, minerals and vitamins. It also needs movement: the skeleton responds to the forces created by weight-bearing activity and muscle contraction.

This means that a good diet for bone health is not based on a single food, supplement or “superfood”. It is part of a wider maintenance system involving nutrition, muscle strength, hormonal health, balance, physical activity and individual fracture risk.

The evidence in brief

Well established: avoiding nutritional deficiency; obtaining adequate calcium and protein; correcting vitamin D deficiency when present; and combining nutrition with appropriate weight-bearing, resistance and balance exercise.

Supported in particular contexts: correcting low calcium and protein intake in frail older adults; maintaining a varied, nutrient-dense dietary pattern; and protecting muscle as well as bone.

Promising but not yet definitive: soya foods, prunes and particular plant-rich dietary patterns.

Early or emerging research: chia for bone outcomes in humans, and attempts to modify the gut microbiome or its metabolites specifically to prevent osteoporosis.

Bone health begins early—but it remains important throughout life. Most people reach their peak bone mass during their twenties, although the precise timing varies. The amount of bone built during childhood, adolescence and early adulthood provides an important reserve for later life.

After peak bone mass is reached, bone formation no longer consistently exceeds bone breakdown. With increasing age, the balance gradually shifts and bone may be lost more quickly than it is replaced.

We cannot completely prevent the biological changes associated with ageing. However, diet and physical activity continue to matter well beyond the age of 30. They can help reduce avoidable bone loss, preserve the muscles needed for stability and mobility, and address nutritional deficiencies that may otherwise weaken the bone–muscle system.

Why menopause matters

The menopausal transition is a particularly important period for bone health. As oestrogen levels decline, the rate of bone resorption can increase, sometimes producing a period of accelerated bone loss.

This does not mean that osteoporosis is exclusively a women’s condition. Men generally begin adulthood with a higher average bone mass and tend to lose it more gradually, but they also develop osteoporosis and experience fragility fractures as they age.

Osteoporosis often develops without obvious symptoms. For many people, the first sign is a fracture following a fall from standing height or another relatively minor injury. This is why preserving bone strength—and identifying individual risk before a fracture occurs—is so important.

The nutritional architecture of healthy bone

Bone contains a mineral component, principally calcium and phosphate, organised around an organic matrix made largely from type I collagen. Supporting this structure requires more than simply consuming a large amount of calcium. A good bone-supportive diet should provide:

sufficient calcium;
adequate protein distributed across the day;
enough vitamin D to support calcium absorption and normal muscle function;
an overall varied diet providing the energy and micronutrients required for tissue maintenance;
regular meals that make adequate intake sustainable rather than relying on occasional large doses.

Calcium: essential, but not the whole answer

Approximately 99% of the body’s calcium is stored in the bones and teeth. Calcium is also required for nerve signalling, muscle contraction and other essential functions. The body therefore regulates the concentration of calcium in the blood very closely.

If too little calcium is absorbed from the diet over a prolonged period, the skeleton may be used as a reservoir to help maintain blood calcium. Persistently inadequate intake can therefore contribute to the loss of bone mineral.

Calcium requirements differ according to age, sex, pregnancy, health status and national guidance. As one example, the US National Institutes of Health recommends 1,000 mg per day for most adults aged 19–50, increasing to 1,200 mg for women over 50 and men over 70. These figures should not be treated as a personalised prescription: someone with osteoporosis, kidney disease, malabsorption or another relevant condition may require individual advice.

Useful food sources of calcium

Milk, yoghurt and cheese are convenient sources of calcium and also provide protein, phosphorus and other nutrients. However, dairy products are not the only option. Calcium can also be obtained from:

calcium-fortified plant drinks;
tofu made with calcium salts;
sardines and canned salmon when the softened bones are eaten;
kale, broccoli and bok choy;
almonds, pulses and certain seeds, although the amount per usual serving varies.

Check labels carefully. Not every plant drink is fortified, and the calcium content of tofu depends on the coagulant used during manufacture. Fortified drinks should usually be shaken before serving because added calcium can settle at the bottom of the container.

The amount in the food is not the amount absorbed

Calcium bioavailability varies. Spinach, for example, contains calcium but also contains oxalates that bind it and substantially reduce absorption. The proportion absorbed from kale, broccoli and bok choy is higher, although a normal portion may contain less total calcium than a serving of dairy food.

The practical lesson is not to exclude spinach—it remains a nutritious vegetable—but to avoid assuming that every calcium-containing food contributes the same amount of absorbable calcium.

Protein connects bone health with muscle health

Protein is sometimes overlooked in conversations about osteoporosis. Yet bone is not made from mineral alone: protein is needed to form its collagen-rich organic framework.

Protein is also essential for preserving muscle. This matters because bone strength is only one part of fracture prevention. Muscle weakness, poor balance and reduced mobility can make a fall more likely, while stronger muscles help stabilise the body and transmit useful mechanical forces to bone.

Protein can come from fish, eggs, dairy foods, meat, pulses, soya foods, nuts and seeds. Some foods conveniently provide more than one bone-relevant nutrient:

sardines with their edible bones provide protein and calcium;
oily fish provides protein and some vitamin D;
calcium-set tofu provides plant protein and calcium;
yoghurt provides protein and calcium in an easily incorporated food.

The aim is not to adopt an extreme high-protein diet. It is to avoid inadequate intake and to include a suitable source of protein regularly. People with kidney disease or particular metabolic conditions should seek individual advice before substantially changing their protein intake.

A prospective study of 2,160 community-dwelling adults with a mean age of approximately 73 found that those obtaining at least 15% of their energy from protein had higher bone mineral density at several sites than those in the lowest intake group. Higher intake was also associated with fewer clinical vertebral fractures during five years of follow-up. However, protein intake did not predict the rate of change in bone density, the total number of fractures was small, and the observational design cannot prove causation.

This illustrates an important principle: protein is part of the bone-maintenance environment, but it should not be presented as an isolated osteoporosis treatment. Its value is most plausibly understood alongside adequate calcium, total energy, muscle-preserving activity and the person’s overall health.

The whole dietary pattern matters

Research is increasingly moving beyond single nutrients to ask whether the overall pattern and quality of the diet influence skeletal ageing.

A Mediterranean-style pattern

In a 2025 secondary analysis of the PREDIMED-Plus randomised trial, 924 adults aged 55–75 with overweight or obesity and metabolic syndrome were followed for three years. An energy-reduced Mediterranean diet combined with physical-activity support produced some favourable effects on bone mineral density, particularly at the lumbar spine in women, compared with advice to follow a Mediterranean diet without the intensive weight-loss and activity programme.

The finding is interesting, but it cannot be attributed to diet alone because the intervention combined dietary change, energy restriction and physical activity. The participants also represented a specific cardiometabolic-risk population, and the study examined bone density rather than fractures.

The practical value of a Mediterranean-style pattern is therefore not that it has been proven to treat osteoporosis. It is that it can bring several supportive elements together: vegetables, fruit, pulses, nuts, whole grains, olive oil, fish and other protein sources within a varied, minimally processed diet.

“Plant based” is not enough information

A 2024 analysis from the Nurses’ Health Study followed more than 70,000 postmenopausal women. Long-term adherence to a plant-based dietary score was not associated with hip-fracture risk overall. In analyses of more recent intake, however, a plant-rich pattern based on whole grains, fruit, vegetables, nuts and pulses was associated with a lower risk, while a pattern dominated by refined grains, sweetened drinks and desserts was associated with a higher risk.

The authors appropriately cautioned that these recent-diet findings could reflect reverse causation or short-term changes and require confirmation. Nevertheless, the study makes an important conceptual point: a diet does not become protective simply because it contains fewer animal foods. Adequate protein, calcium, vitamin D, energy and overall food quality still need attention.

Vitamin D: important, but supplementation is not automatically protective

Vitamin D supports calcium absorption from the intestine and contributes to normal muscle function. A marked deficiency can impair bone mineralisation and may contribute to muscle weakness, potentially increasing the risk of falling.

There are relatively few natural food sources. Oily fish—including salmon, herring and mackerel—provides vitamin D, as do egg yolks, liver and some mushrooms. Fortified foods may also make an important contribution, depending on the country and product.

However, it is important to distinguish between obtaining enough vitamin D and assuming that taking additional vitamin D will prevent fractures in everyone.

In the large VITAL trial, 25,871 generally healthy middle-aged and older adults received either 2,000 IU of vitamin D daily or placebo. Over a median follow-up of more than five years, supplementation did not reduce total, non-vertebral or hip fractures.

This finding does not mean that vitamin D is unnecessary. The study was not designed specifically for people with vitamin D deficiency, osteoporosis or very low bone density. It tells us that routine additional vitamin D does not guarantee fracture protection in a generally healthy population that was not selected for deficiency.

Does increasing dairy intake prevent fractures?

A notable cluster-randomised trial studied 7,195 older adults living in Australian residential-care facilities. The intervention increased the provision of milk, yoghurt and cheese, raising both calcium and protein intake.

Over two years, residents in the intervention facilities experienced fewer hip fractures, fewer fractures overall and fewer falls than those in the control facilities.

This was an important result, but context matters. The participants were predominantly very old and had relatively low calcium and protein intakes at the beginning of the study. The intervention corrected a nutritional shortfall in a vulnerable population. It does not prove that simply adding more dairy to an already adequate diet will prevent fractures in every person.

The more defensible conclusion is that meeting calcium and protein needs matters—and that correcting inadequate intake can be clinically meaningful in the right population.

Soya foods: nutritious, with promising but incomplete evidence

Soya foods provide high-quality plant protein. Tofu prepared with calcium salts can also be a useful calcium source. Soya additionally contains isoflavones, plant compounds that can interact with oestrogen receptors, although their biological effects are not identical to those of human oestrogen.

Research into soya and postmenopausal bone health has produced mixed findings. A systematic review of observational cohort studies found a possible association between greater soya-food consumption and a lower fracture risk among Asian women, particularly during the earlier years following menopause. The same statistically significant relationship was not identified in men, and evidence from other populations was limited.

This is an interesting signal, not proof that soya prevents or treats osteoporosis. Dietary patterns, genetics, lifelong soya consumption and other lifestyle factors may all influence the observed association.

Soya foods can be included as a nutritious part of a varied diet. However, ordinary foods such as tofu, tempeh and soya milk should not be treated as equivalent to concentrated isoflavone supplements.

Prunes: an interesting result that should not be overstated

Prunes have attracted attention because they contain fibre, minerals and a variety of polyphenolic plant compounds.

In a 12-month randomised trial involving 235 postmenopausal women, eating 50 g of prunes each day helped preserve total hip bone mineral density. In the control group, total hip bone mineral density declined by approximately 1.1%.

This is encouraging, but the distinction between bone density and fracture prevention is important. The trial was not designed to show that prunes prevent fractures. It also does not establish that they can replace adequate calcium, protein, exercise or osteoporosis medication when treatment is indicated.

Prunes may therefore be viewed as a potentially useful food within an overall bone-supportive diet—not as a stand-alone intervention.

People who are increasing their intake should also remember that 50 g is a meaningful daily portion and may affect bowel function or blood glucose responses differently from person to person.

Chia seeds: nutritious food, limited human bone evidence

Chia seeds contain calcium, magnesium, phosphorus, fibre and alpha-linolenic acid, a plant-derived omega-3 fatty acid. These characteristics make them a nutritious addition to many diets.

However, a frequently cited study reporting improved measures of bone mineral content after long-term chia consumption was conducted in male laboratory rats—not humans.

Animal studies can help generate hypotheses, but their findings cannot be assumed to apply directly to postmenopausal women, older adults or people with osteoporosis. At present, chia can be recommended as a nutrient-containing food, but not as a clinically demonstrated method of preventing bone loss or fractures.

What about magnesium and vitamin K?

Calcium does not work in isolation. Magnesium contributes to bone structure and participates in many enzyme systems relevant to vitamin D and mineral metabolism. Vitamin K is required for the activation of osteocalcin and other proteins involved in bone biology.

Foods supplying these nutrients—including leafy vegetables, pulses, nuts, seeds and whole grains—belong naturally within a varied bone-supportive diet. This does not mean that magnesium or vitamin K supplements have been shown to prevent fractures in the general population.

In one prospective cohort, higher magnesium intake was associated with fewer self-reported fractures over eight years. However, this was an observational study in a population recruited for an osteoarthritis initiative, and it cannot establish that magnesium itself caused the difference.

Vitamin K research is similarly mixed. Observational studies have reported associations between dietary vitamin K and fracture risk, but clinical trials of vitamin K supplementation have not produced uniformly convincing improvements in bone density or fracture prevention. Vitamin K supplements can also be inappropriate for people taking warfarin or another vitamin-K-antagonist anticoagulant unless managed by their clinical team.

For both nutrients, the most defensible public-health message is to obtain them through a varied diet rather than assuming that a concentrated supplement will provide additional skeletal protection.

Ageing, digestion and the gut microbiome

Food can only support the skeleton if its nutrients can be digested, absorbed and used. This makes gastrointestinal health an important—although sometimes overlooked—part of an individual bone-health assessment.

The microbiome changes with age

The intestinal microbiome is not fixed. It is influenced by lifelong diet, medicines, illness, infections, physical activity, living environment and ageing itself. Studies of older adults have found greater person-to-person variation than in younger populations. Frailty, restricted diets and residence in long-term care have also been associated with lower microbial diversity and the loss of microbial features commonly observed in healthier community-dwelling adults.

This does not mean that every older person develops the same “unhealthy microbiome”. There is no single list of ideal bacterial strains that applies to everyone. The changes associated with age are highly individual and may partly reflect changes in diet, health, medicines and environment rather than chronological age alone.

How might the gut communicate with bone?

Researchers are investigating a possible diet–microbiome–bone axis. Fibre is fermented by intestinal microorganisms into metabolites including short-chain fatty acids. In laboratory and animal models, some of these metabolites influence intestinal-barrier function, immune signalling, osteoclast development and bone resorption. Microbial activity may also affect the chemical environment in the intestine and therefore the availability of certain minerals.

A 2026 longitudinal analysis followed 223 Swedish women during early postmenopause for two years. Higher fibre intake was associated with a more favourable measure of trabecular bone structure, while several circulating short-chain fatty acids were associated with bone-density or microarchitectural measures.

This is intriguing human evidence, but it remains observational and exploratory. Circulating metabolites are not a simple measurement of intestinal microbial activity, and the direction of cause and effect remains unresolved. The study does not prove that a probiotic, prebiotic or short-chain-fatty-acid supplement can prevent osteoporosis.

What do probiotic trials tell us?

The effects of probiotics are strain-specific. Evidence about one precisely identified microorganism cannot be transferred automatically to another Lactobacillus, to a generic multi-strain product or to fermented food in general.

In a small double-blind trial, 90 women aged 75–80 with low bone mineral density received either Limosilactobacillus reuteri ATCC PTA 6475 or placebo for one year; 70 completed the study. Loss of total volumetric bone mineral density at the tibia was smaller in the probiotic group. However, significant differences were not demonstrated for the principal secondary measurements at the hip and spine, the study did not assess fracture prevention, and the underlying mechanism remained unclear.

This is useful proof-of-concept evidence—not a basis for recommending that all older women take a probiotic for their bones. Larger independent trials must establish which strains, doses and populations might benefit, whether effects persist, and whether any intervention actually reduces fractures.

Digestion and absorption deserve individual assessment

Calcium is absorbed across the intestinal lining, and vitamin D is required for an important active component of that process. Net calcium absorption declines with age. Low vitamin D status, reduced stomach acid, gastrointestinal disease and some medicines can reduce the amount of a nutrient that becomes available even when intake appears adequate. Examples requiring individual consideration include:

coeliac disease, inflammatory bowel disease or chronic diarrhoea;
pancreatic or biliary disease affecting digestion;
previous bariatric or other gastrointestinal surgery;
lactose intolerance or highly restricted diets that reduce calcium intake;
persistent reflux, bloating, abdominal pain or altered bowel habits;
unexplained weight loss, iron or vitamin B12 deficiency, or recurrent low vitamin D;
long-term use of medicines that alter gastric acidity, appetite, digestion, nutrient metabolism or bone remodelling.

Reduced stomach acid is particularly relevant to some calcium supplements. Calcium carbonate depends more heavily on gastric acidity and is generally better absorbed with food, whereas calcium citrate is less dependent on stomach acid. This does not mean everyone taking acid-suppressing medication should change supplements; the person’s dietary intake, clinical indication, kidney function, other medicines and total calcium exposure must all be considered.

Supporting the microbiome should therefore begin with the dietary environment where possible: a varied range of vegetables, fruit, pulses, whole grains, nuts and seeds supplies different fermentable fibres and plant compounds. Fermented foods may also contribute to dietary variety when tolerated. However, neither fibre nor fermented food corrects coeliac disease, pancreatic insufficiency, significant malabsorption or another untreated gastrointestinal disorder.

From general advice to an individual bone-health plan

The same recommendation will not be appropriate for everyone. Before adding multiple supplements or a probiotic, a balanced plan should ask what is limiting bone maintenance in that particular person.

1. Assess intake

Estimate habitual calcium, protein, vitamin D and total-energy intake. Identify avoidable gaps, but also check for duplication across food, multivitamins and separate supplements.

2. Assess digestion and absorption

Review gastrointestinal symptoms, bowel pattern, previous surgery, food tolerance and conditions that may cause malabsorption. Where clinically indicated, investigate rather than assuming that persistent symptoms are simply part of ageing.

3. Review medicines

Medicines may affect bone through different mechanisms. Some alter nutrient absorption or vitamin D metabolism; others affect hormones, bone formation, bone resorption, appetite, balance or fall risk. Relevant examples can include long-term glucocorticoids, certain antiseizure medicines, aromatase inhibitors, androgen-deprivation therapy, excessive thyroid-hormone replacement and prolonged acid suppression. This does not mean these medicines should be stopped. It means their skeletal effects and the reason for treatment should be reviewed as part of the whole picture.

The timing of calcium also matters because it can interfere with the absorption of levothyroxine, some antibiotics, bisphosphonates and iron. A pharmacist or prescribing clinician can advise on safe separation.

4. Assess the person’s wider risk

Consider menopause timing, previous fragility fractures, family history, body weight, muscle strength, falls, smoking, alcohol, medical conditions and bone-density results where available. Laboratory assessment may be appropriate when deficiency, malabsorption or a secondary cause of bone loss is suspected.

5. Build a proportionate plan

The resulting plan may include dietary change, treatment of an underlying digestive problem, medication review, targeted supplementation, appropriate exercise, fall-risk reduction or medical osteoporosis treatment. The aim is not to add everything. It is to restore what is missing, remove avoidable obstacles and coordinate each part safely.

This systems approach helps prevent two common errors: assuming that an adequate intake guarantees adequate absorption, and attempting to correct a complex bone-health problem with increasingly large doses of calcium or vitamin D.

Calcium and vitamin D supplements: when more is not better

A major 2026 systematic review and meta-analysis evaluated 69 randomised trials involving more than 153,000 adults. It concluded that routine calcium, vitamin D or combined supplementation produced little to no clinically meaningful reduction in fractures or falls for most of the adults represented in the evidence.

The interpretation requires care. Most participants were community-dwelling adults at relatively low baseline risk, and the review did not include people receiving osteoporosis medication. Its conclusions should not be applied indiscriminately to patients with diagnosed osteoporosis, previous fragility fractures, confirmed nutrient deficiency or conditions that substantially increase the risk of malabsorption.

Supplements can be appropriate when dietary intake is insufficient, a deficiency has been identified, malabsorption is present or supplementation forms part of a wider osteoporosis-treatment plan. But they should have a clear purpose.

Calcium caution

Calcium supplements can cause constipation and gastrointestinal discomfort. Excessive intake may increase the risk of kidney stones in susceptible people. Calcium can also reduce the absorption of levothyroxine, some antibiotics, bisphosphonates and iron supplements, so the timing of doses may need to be separated.

Vitamin D caution

Excessive vitamin D can cause hypercalcaemia—an abnormally high concentration of calcium in the blood. Possible consequences include nausea, weakness, confusion, excessive thirst and urination, kidney stones, kidney injury and, in severe cases, disturbances of heart rhythm.

Large intermittent doses should not be assumed to be safer or more effective. In one randomised trial, an annual oral dose of 500,000 IU increased falls and fractures among older women.

The useful question is not simply, “Should I take calcium and vitamin D?” It is:

How much am I already obtaining, do I have an identified deficiency or higher-risk condition, and what dose—if any—is appropriate alongside my medicines and treatment plan?

Do not stop prescribed calcium, vitamin D or osteoporosis medication because of general research findings without discussing your circumstances with an appropriately qualified healthcare professional.

What might a bone-supportive day of eating look like?

There is no single ideal menu, and dietary needs vary. The aim is to distribute calcium and protein sources across the day while maintaining an overall varied diet.

One example might include:

Breakfast: plain yoghurt or a fortified soya alternative, with fruit, oats and nuts;
Lunch: a pulse-based soup or salad with calcium-set tofu, leafy vegetables and whole grains;
Dinner: oily fish, eggs, tofu or another protein source, served with vegetables including broccoli, kale or bok choy;
Snacks or additions: fruit, a small portion of prunes, nuts, seeds, kefir or another suitable calcium- and protein-containing food.

This is an illustration rather than a prescription. Allergies, digestive tolerance, kidney function, medication, energy needs, cultural preferences and ethical choices all influence what is appropriate.

Diet cannot replace movement

Even a carefully planned diet cannot provide the mechanical stimulus that bone receives from physical loading.

Weight-bearing activities such as walking, stair climbing and dancing can help load the skeleton. Progressive resistance exercise helps preserve muscle and places controlled forces through bone. Balance and functional training may reduce falls by improving stability and confidence in movement.

People with established osteoporosis, previous vertebral fractures, significant pain or a high risk of falling should seek an individually appropriate exercise programme. Certain loaded spinal movements or poorly controlled exercises may be unsuitable, depending on fracture history and physical capacity.

When should you discuss bone assessment?

Osteoporosis may remain silent until a fracture occurs. Consider speaking with a healthcare professional about bone health and fracture-risk assessment if you have:

experienced a fracture after a minor fall or relatively low level of trauma;
used glucocorticoid medication for a prolonged period;
undergone early menopause;
very low body weight or significant unintentional weight loss;
a parent who experienced a hip fracture;
lost more than approximately 4 cm of adult height;
developed increasing stooping or persistent unexplained back pain;
a medical condition or medicine known to affect bone metabolism.

Loss of height or increasing curvature of the spine can sometimes reflect vertebral compression fractures, which do not always cause severe pain.

The Wildberry perspective: feed, load, protect and assess

The most useful approach to bone health is not to search for one perfect food. It is to support the entire system that maintains skeletal strength and protects the person from fracture.

Feed the bone: provide sufficient calcium, protein, vitamin D and an overall nutrient-rich diet.

Load the bone: use appropriate weight-bearing and resistance exercise to provide a mechanical signal.

Protect the person: preserve muscle, balance and mobility, and address factors that increase the risk of falling.

Assess individual risk: recognise that menopause, age, previous fractures, medicines, medical conditions and family history can change what prevention or treatment is needed.

Calcium matters. But strong bones are not created—or maintained—by calcium alone. They depend on the continuing coordination of nutrition, muscle, movement, hormones and timely clinical care.

Important note

This article is provided for general education and does not replace individual medical assessment, diagnosis or treatment. Dietary requirements and the need for calcium or vitamin D supplementation vary. Do not start or stop supplements or prescribed osteoporosis medication without advice from an appropriately qualified healthcare professional.

References

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Menopausal Skin: Why Taking Collagen Is Not the Same as Maintaining Collagen

Tue, 11 Aug 2026 11:25:12 GMT

A common menopausal skin concern we see in clinic — and why loss of elasticity is about far more than collagen alone.

Collagen supplements have become almost synonymous with ageing skin. As skin becomes thinner, drier or less elastic around menopause, it can seem logical to reach for a collagen powder: collagen is declining, so perhaps we simply need to put more collagen back in.

But skin biology is more complicated — and much more interesting — than that. Taking collagen is not the same as maintaining collagen. And when a woman comes to us because her skin seems to be losing firmness and elasticity after menopause, simply recommending collagen misses an important first step: Why is her skin changing?

What happens to our skin around menopause?

Skin is a hormonally responsive organ, and oestrogen has important effects on its physiology.

Oestrogen receptors are present in several skin cell populations, and oestrogen signalling influences fibroblasts, keratinocytes, vascular function, wound healing, collagen homeostasis and other aspects of tissue maintenance.

As ovarian oestrogen production declines through the menopausal transition, the biological environment in which these cells operate changes. Research describes menopausal skin as becoming more prone to dryness, thinning and atrophy, wrinkling, sagging, reduced vascularity and slower wound healing.

One of the most important cells in this story is the fibroblast . Fibroblasts live within the dermis and help produce and remodel collagen, elastic fibres, proteoglycans and other components of the extracellular matrix. And that extracellular matrix is not simply scaffolding. It is the highly organised structural environment that gives skin much of its strength, resilience and mechanical behaviour.

So menopausal skin ageing isn't simply a story of having “less collagen”. It involves changes in the biological system responsible for producing, maintaining, protecting and organising the matrix in which collagen exists .

Before recommending collagen, we ask why

When a woman tells us that her skin is becoming less elastic after menopause, our first question isn't: “Which collagen supplement should she take?” It is: “Why is her skin changing?”

Menopause may be an important part of the picture, but it isn't necessarily the whole explanation.

Has the change been gradual or sudden?

A gradual alteration in skin thickness, hydration and elasticity may fit with chronological and hormonal ageing.A dramatic change over a short period deserves a broader look.

Has there been rapid or significant weight loss?

Loss of subcutaneous facial fat and other structural changes following substantial weight loss can alter facial contours and produce an appearance of laxity. That is a different problem from simply having insufficient collagen. And adding collagen powder cannot restore lost facial volume.

Is she eating enough?

We need adequate energy and protein to maintain and repair tissue. We also need the nutritional cofactors required for normal connective-tissue biology. Vitamin C, for example, is required for normal collagen synthesis. So before reaching for a specialist supplement, it is worth asking whether the body has the basic nutritional resources required to maintain tissue.

What has her lifetime UV exposure been?

This is enormously important.

Ultraviolet radiation is one of the major environmental drivers of skin ageing. Chronic UV exposure alters fibroblast behaviour and extracellular-matrix turnover and promotes pathways involved in collagen degradation. Menopause does not erase the accumulated effects of decades of sunlight.

Is the skin particularly dry or barrier-impaired?

A woman may describe her skin as suddenly looking “old”, crepey or less elastic when part of what we are seeing is a substantial deterioration in hydration and barrier function. That requires attention in its own right.

What else is happening?

We also consider smoking, alcohol intake, sleep, stress, general dietary quality, medications and wider health. New, rapid or otherwise unexplained skin changes may warrant appropriate medical assessment rather than being automatically attributed to menopause.

And we consider the woman's menopause as a whole. If she has wider menopausal symptoms, discussion of menopausal hormone therapy with an appropriately qualified medical practitioner may be relevant.

There is evidence that menopausal hormone therapy can influence skin collagen, thickness and elasticity, but MHT is not recommended solely as a cosmetic treatment for skin ageing . Decisions about it need to be based on the woman's overall health, symptoms, individual risks and potential benefits.

This assessment matters because two women complaining of “loss of elasticity” may have quite different biological problems — and therefore need very different approaches.

So where does collagen supplementation fit?

This is where the evidence becomes interesting. Several earlier trials and meta-analyses reported improvements in skin hydration and elasticity following oral hydrolysed collagen.

A 2023 systematic review and meta-analysis, for example, included 26 randomised controlled trials involving 1,721 participants and reported statistically significant improvements in hydration and elasticity. The authors also identified biases within the available trials and called for larger studies.

But newer evidence has made the picture less certain.

A 2025 systematic review and meta-analysis specifically examined factors including study quality and pharmaceutical-industry funding. Although the pooled studies initially appeared to favour collagen supplementation, the apparent benefits were no longer demonstrated when the researchers separately analysed higher-quality studies . The authors concluded that the available clinical evidence did not support collagen supplements for the prevention or treatment of skin ageing.

So I don't think the correct message is: “Collagen supplements don't work.” Nor is it: “Everyone over 50 should take collagen.” The evidence is more nuanced than either claim. Certain collagen preparations have produced measurable effects in clinical studies, but the overall evidence base is inconsistent, with important questions around study quality, product differences and funding.

Collagen therefore may be one optional component of an approach to ageing skin. But it is certainly not the whole answer. Because even if we provide collagen-derived peptides and amino acids, the skin still has to know what to do with them .

Taking collagen is not the same as maintaining collagen

Imagine delivering building materials to a construction site. The materials may be useful.

But having timber, bricks and cement sitting outside does not mean that a functioning building will appear. You still need the builders. You need instructions. You need energy. You need communication between different trades. You need the structure to be assembled correctly. And once the building exists, you need to protect and maintain it.

Our skin is considerably more sophisticated than a building, but the analogy illustrates the problem. Providing substrate is not the same as maintaining biological organisation.

That gives us a much more useful framework for menopausal skin.

1. BUILD: Does the body have the materials required to maintain connective tissue?

Collagen is a protein. Adequate overall dietary protein therefore matters. Collagen peptides may contribute particular amino acids and peptides, but they should not be expected to compensate for inadequate overall nutrition.

Vitamin C is also essential for normal collagen biosynthesis. And connective tissue exists within a much wider nutritional and metabolic environment.

So before concentrating on a specialist “beauty supplement”, we should ask a much more fundamental question: Does this woman have sufficient nutritional resources to maintain and repair tissue? That means looking at the diet as a whole rather than assuming that adding one isolated supplement corrects the problem.

2. SIGNAL: Are the cells responsible for maintaining the skin receiving the right instructions?

This is perhaps the most interesting part of menopausal skin biology. Fibroblasts are not passive collagen factories. They are living, responsive cells. Their behaviour is influenced by hormones, growth factors, inflammatory mediators, mechanical forces, neighbouring cells and the condition of the extracellular matrix surrounding them.

Oestrogen is part of that signalling environment. Following menopause, reduced oestrogen signalling is associated with thinner skin, lower collagen, reduced elasticity, dryness and other changes in skin physiology. So imagine that we provide plenty of collagen-derived amino acids.

Those materials are available. But the cellular signalling environment governing tissue maintenance has changed.

This is why postmenopausal skin cannot sensibly be understood simply as a collagen deficiency .

The issue may involve not only whether building materials are available, but whether the biological instructions governing their use have changed. That distinction matters enormously.

3. PROTECT: Are we protecting the collagen that is already there?

Maintaining collagen isn't simply about making more. It is also about regulating its breakdown.

Collagen is continuously remodelled. Enzymes called matrix metalloproteinases — MMPs — participate in normal extracellular-matrix turnover.

But ultraviolet exposure, oxidative stress and inflammatory signalling can alter these pathways and contribute to excessive matrix degradation. This is particularly important in photoageing. And it creates an obvious contradiction: We can take collagen every morning while simultaneously exposing our existing collagen to one of the strongest environmental drivers of its degradation.

That is why sensible photoprotection remains one of the most important evidence-based strategies for preserving ageing skin.

The expensive collagen powder cannot compensate for chronic unprotected UV exposure. Protecting what we already have matters just as much as trying to produce more.

4. ORGANISE: Skin elasticity isn't just about collagen

This is another important misconception. Collagen and elasticity are often spoken about as though they are interchangeable. They aren't.

Collagen contributes substantially to the skin's tensile strength and structural integrity.

But its elastic behaviour also depends upon the elastic-fibre network , including elastin and fibrillin-associated structures. And the extracellular matrix contains far more than collagen and elastin.

It includes proteoglycans, glycosaminoglycans such as hyaluronic acid, water and numerous structural and signalling molecules arranged within a highly organised three-dimensional environment. The relationships between these components matter.

Healthy skin is therefore not simply a bag containing a certain quantity of collagen. It is an organised living matrix. And this may be one of the most important concepts when thinking about ageing.

The biological objective is not merely to manufacture molecules. It is to maintain their correct structure, relationship and organisation within the tissue .

5. HYDRATE & RESTORE THE BARRIER: Don't forget what is happening at the surface

While collagen receives enormous attention, the epidermal barrier is fundamental to how skin looks and feels. The outer skin barrier depends on an organised relationship between cells and lipids, including ceramides, cholesterol and fatty acids.

These lipids help reduce excessive water loss and maintain barrier integrity. When the barrier is impaired, skin may become dry, rough, irritated and less supple. Fine lines and crepey texture can become considerably more apparent.

Menopausal women commonly report increased skin dryness, and declining hormonal signalling can contribute to changes in hydration and skin function.

So if a woman's main concern is that her skin suddenly feels papery, dry and less resilient, simply increasing collagen intake may miss an important part of the problem. Sometimes we need to work from the outside in as well as the inside out .

What about topical treatments?

This is another reason I don't think menopausal skincare should become a debate between supplements and cosmetics. Different interventions act at different levels of the system.

For example, topical retinoids have considerably stronger evidence for photoaged skin than many supplements marketed as “collagen boosters”. A systematic review of randomised controlled trials found evidence that topical tretinoin can improve features of photoageing and stimulate new collagen formation.

That does not mean every menopausal woman should immediately start prescription tretinoin.

Menopausal skin may already be dry or reactive, and retinoids can cause irritation.

But it illustrates an important principle: We should select interventions according to the biological process we are trying to influence — not according to whichever ingredient happens to be fashionable.

Barrier-supporting moisturisers, ceramides, humectants, appropriate retinoids, vitamin C preparations and other topical interventions may therefore have different roles depending upon the woman and the condition of her skin.

And where does herbal medicine fit?

This is where things become particularly interesting for us as herbalists. We should not be searching for a herb that “contains collagen”. Plants do not produce animal collagen.

Instead, we can ask whether particular medicinal plants or their constituents influence processes involved in maintaining the biological environment in which healthy skin is produced and repaired . That might include research into effects on:

fibroblast activity
collagen synthesis and degradation
matrix metalloproteinases
inflammatory signalling
oxidative stress
microcirculation
wound and tissue repair
extracellular-matrix organisation
glycosaminoglycan metabolism
epidermal differentiation
barrier function

One particularly interesting plant is Centella asiatica — gotu kola . Its triterpenoid constituents, including asiaticoside, madecassoside, asiatic acid and madecassic acid, have been investigated in relation to fibroblast behaviour, collagen metabolism and tissue repair.

But this is exactly where we need to remain scientifically careful. Laboratory evidence showing that an extract influences fibroblasts does not automatically demonstrate that drinking gotu kola tea will tighten postmenopausal skin. And evidence from wound healing cannot automatically be translated into treatment of menopausal skin ageing.

Interestingly, a 2026 randomised, double-blind, placebo-controlled trial involving 112 middle-aged women investigated 200 mg/day of a standardised oral Centella asiatica extract for 12 weeks and reported improvements in several skin-ageing parameters, including some wrinkle measurements and transepidermal water loss.

That makes Centella scientifically interesting. It does not yet make it a proven treatment for postmenopausal loss of elasticity. Plant part, extraction method, dose, standardisation, formulation, route of administration and clinical evidence all matter. And that is how herbal medicine should be evaluated. Understand the physiology first. Choose the plant second.

What about menopausal hormone therapy?

We cannot discuss menopausal skin physiology without acknowledging oestrogen. Clinical research indicates that systemic and topical oestrogen can influence skin collagen, thickness, hydration and elasticity, and systematic-review evidence suggests menopausal hormone therapy can improve some measures of skin quality.

But there is an important distinction between: recognising that oestrogen affects the skin

and recommending MHT as an anti-ageing skincare treatment. They are not the same thing.

MHT is not generally indicated solely because someone wants younger-looking skin.

However, if a woman seeking help for skin changes also has menopausal symptoms or other reasons why MHT might appropriately be considered, that conversation belongs with her doctor or menopause specialist. The skin should be considered as part of the woman — not treated as an isolated cosmetic organ.

A better way to think about menopausal skin

Instead of asking only: “How can we get more collagen into the body?” we can think about menopausal skin through five interconnected processes:

BUILD

Are sufficient protein, amino acids, vitamin C and other necessary nutrients available?

SIGNAL

Are fibroblasts and other skin cells receiving and responding appropriately to hormonal, mechanical and biochemical signals?

PROTECT

Are we reducing avoidable drivers of extracellular-matrix damage — particularly ultraviolet exposure and smoking — while addressing relevant inflammatory and oxidative stressors?

ORGANISE

Can the tissue maintain collagen, elastic fibres, glycosaminoglycans and other components as a properly organised and functioning extracellular matrix?

HYDRATE & RESTORE THE BARRIER

Is the epidermal barrier functioning effectively enough to retain water and maintain comfortable, supple and resilient skin?

Now collagen supplementation can be placed in its proper context. It may contribute to BUILD .

But it cannot, by itself, necessarily correct SIGNAL, PROTECT, ORGANISE or BARRIER .

And that is why: Taking collagen is not the same as maintaining collagen.

So should you stop taking collagen?

Not necessarily. If you enjoy taking it, tolerate it well and it fits within your diet and budget, some clinical studies suggest certain hydrolysed collagen preparations may improve measures such as hydration or elasticity.

But the evidence is not as definitive as the supplement industry often implies, and the 2025 evidence review raises legitimate questions about the strength of the apparent effect when study quality and industry funding are considered. Most importantly, don't mistake supplying one possible component for maintaining an entire biological system.

For a woman experiencing changing skin during or after menopause, the better question is not:

“Which collagen should I buy?” It is: “Why is my skin losing resilience — and what does it need in order to build, signal, protect, organise and hydrate effectively?”

Because healthy ageing skin isn't simply about having collagen. It's about retaining the biological capacity to maintain it.

Key Takeaways

Menopausal skin changes involve much more than simply “losing collagen”.

Declining oestrogen signalling affects the cellular environment responsible for skin maintenance.

Collagen supplements are not necessarily useless — but the evidence is mixed.

Some trials and earlier meta-analyses report improvements in hydration and elasticity, while a more recent 2025 meta-analysis found that apparent benefits were not demonstrated in higher-quality studies.

Assessment comes first.

We need to consider menopause alongside nutrition, weight change, UV exposure, smoking, barrier health, medications, lifestyle and wider health.

Skin elasticity isn't determined by collagen alone.

Elastin, fibrillin, glycosaminoglycans, water, fibroblast function and extracellular-matrix organisation all matter.

And ultimately, maintaining menopausal skin means thinking about the whole system:

BUILD → SIGNAL → PROTECT → ORGANISE → HYDRATE & RESTORE THE BARRIER

A Herbalist's Perspective

In clinical herbal medicine, our starting point is not finding a supplement for a symptom. It is trying to understand why the physiology has changed .

For menopausal skin, that means looking at nutrition, hormonal context, cellular signalling, inflammation and oxidative stress, extracellular-matrix biology, circulation, barrier function and the woman's health as a whole.

Medicinal plants may form one part of that strategy. Our overall objective isn't simply to put more ingredients into the body. I t is to support the body's continuing capacity to maintain organised, resilient tissue.

Coming next week

Beyond the Collagen Tub — we’ll explore the evidence for the nutrients, medicinal plants and topical actives that may help support menopausal skin from the inside and outside, following the full pathway of Build → Signal → Protect → Organise → Hydrate & Restore the Barrier.

References

Myung SK, Park Y. Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. American Journal of Medicine. 2025;138(9):1264–1277. doi:10.1016/j.amjmed.2025.04.034.
Pu SY, Huang YL, Pu CM, et al. Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients. 2023;15(9):2080. doi:10.3390/nu15092080.
Thornton MJ. Estrogens and Aging Skin. Dermato-Endocrinology. 2013;5(2):264–270. doi:10.4161/derm.23872.
Archer DF. Postmenopausal Skin and Estrogen. Gynecological Endocrinology. 2012;28(Suppl 2):2–6. doi:10.3109/09513590.2012.705392.
Wolak M, et al. Skin, Hair and Beyond: The Impact of Menopause. Climacteric. 2022. doi:10.1080/13697137.2022.2050206.
Sitohang IBS, Makes WI, Sandora N, Suryanegara J. Topical Tretinoin for Treating Photoaging: A Systematic Review of Randomized Controlled Trials. International Journal of Women's Dermatology. 2022;8(1). doi:10.1097/JW9.0000000000000003.
Skin Rejuvenation in Women Using Menopausal Hormone Therapy: A Systematic Review and Meta-Analysis. 2023.
A Randomized, Double-Blind, Placebo-Controlled Trial Assessing the Effects of Oral Centella asiatica Extract on Skin Aging-Related Parameters in Middle-Aged Korean Women. Nutrients. 2026;18(10):1505.

Educational Disclaimer

Wildberry Clinic – Clinical Insight

This article is provided for general educational purposes and is intended to discuss current scientific understanding of menopause, skin ageing, nutrition, herbal medicine and skincare.

It does not constitute medical diagnosis, individual medical advice or a recommendation to begin, discontinue or alter any medication, supplement, herbal medicine, menopausal hormone therapy, prescription topical treatment or other healthcare intervention.

Changes in skin texture, elasticity and appearance are common with ageing and menopause, but they can also be influenced by significant weight change, nutritional status, ultraviolet exposure, smoking, medications, endocrine or systemic illness and other factors. New, rapid, severe, persistent or otherwise unexplained skin changes should be appropriately assessed by a qualified healthcare professional.

Evidence concerning nutritional supplements and medicinal plants varies considerably according to the specific preparation, extraction method, dose, formulation and population studied. Findings from research involving one particular extract or product cannot automatically be extrapolated to all products containing the same ingredient.

Medicinal herbs and nutritional supplements may cause adverse effects, interact with medicines or be unsuitable for some individuals or medical conditions. Individual professional assessment may therefore be appropriate before use.

Menopausal hormone therapy is a medical treatment with potential benefits, risks and contraindications. Decisions regarding MHT should be made with an appropriately qualified healthcare professional following individual assessment. It should not be initiated solely on the basis of information contained in this article.

Prescription retinoids and other active dermatological treatments may also cause adverse effects and have contraindications and should be used with appropriate professional guidance where required.

Wildberry Clinic does not claim that any herb, nutritional supplement, cosmetic or skincare intervention can reverse menopause, restore ovarian function or permanently reverse biological skin ageing.

Scientific evidence evolves, and recommendations may change as higher-quality evidence becomes available.

© Wildberry Clinic. For educational purposes only.

JUJUBE: FROM TREE TO REMEDY

Mon, 10 Aug 2026 05:42:43 GMT

How a green East Asian fruit becomes Da Zao—a traditional medicine for digestion, recovery and restful sleep, with an unexpected place in eighteenth-century French pharmacy.

Among the glossy leaves of the jujube tree, this year’s fruits are still small and green. Over the coming weeks, they will ripen through shades of yellow and red until their skins become glossy and deep red-brown.

Collected at maturity and dried, these fruits become the red dates known in Chinese medicine as Da Zao . They have been used for more than two thousand years in formulas for people who feel depleted, whose digestion is weak or whose sleep has become unsettled.

Jujube also developed a second medical life far from East Asia. By the eighteenth century, French apothecaries were combining the fruit with barley, liquorice and violet flowers in a sweet syrup for coughs and the chest.

The history of jujube is therefore not one simple story. It is the story of a fruit understood differently by different medical traditions—and still used by herbalists today.

Meet the Plant

Jujube, botanically known as Ziziphus jujuba, belongs to the Rhamnaceae or buckthorn family. It is a deciduous shrub or small tree native to northern and eastern China and the Korean Peninsula, although centuries of cultivation have carried it across Asia, the Middle East and southern Europe.

The tree often has slender, thorny, reddish-brown branches. Its small oval leaves are glossy and finely toothed, with three strong veins rising from near the base. Small yellow-green flowers are followed by smooth green fruits.

As the fruit ripens, its colour and texture change. The skin passes from green through mottled yellow-red to a richer red-brown. Fresh ripe jujubes are crisp and juicy. Drying concentrates their sweetness and transforms them into soft, wrinkled red fruits.

This stage of maturity is important. The medicinal material called Da Zao is the dried ripe fruit , not the unripe green fruit. Ripening and drying both alter the fruit’s sugars, acids, pigments and wider chemical profile.

A Fruit Shaped by East Asia

Jujube has a long history as both a food and a medicine in China. Archaeological and written evidence points to thousands of years of cultivation, during which people selected trees for fruit size, sweetness, texture and suitability for drying.

Fresh fruits could be eaten in season, while drying made the harvest easier to store, transport and use throughout the year. Dried jujubes became familiar ingredients in soups, porridges, drinks, desserts and herbal decoctions.

This overlap between food and medicine remains central to the fruit’s identity. Da Zao is not an exotic substance isolated from ordinary life. It is a nourishing food that also became part of a sophisticated system of herbal prescribing.

Traditional Preparation

Ripe jujubes are collected when their skins have turned red or red-brown. The fruits are then dried, after which they may be used whole or sliced open before preparation. Removing or exposing the stone allows water to reach more of the fruit during simmering.

In Chinese herbal practice, Da Zao is generally simmered with other ingredients as part of a decoction. It may also appear in soups, porridges and simple drinks. Its natural sweetness can soften the bitterness or sharpness of other herbs, but its role is not merely to improve the flavour.

Traditional descriptions associate the fruit with restoring strength, supporting appetite and digestion, replenishing after illness and helping a person feel more settled. It is also used to moderate stronger ingredients and bring the different parts of a prescription together.

Da Zao in Chinese Medicine

Da Zao appears in the early Chinese materia medica tradition preserved in the Shen Nong Ben Cao Jing, a text compiled from knowledge that is more than two thousand years old. The fruit was described in relation to strengthening the body, supporting the digestive centre and moderating other medicines.

Today, herbalists still include it in individualised formulas when someone feels run-down, has a poor appetite or weak digestion, or is recovering from illness. It may also be selected when emotional strain and exhaustion are accompanied by unsettled sleep.

One classical example is Gan Mai Da Zao Tang , a formula containing Da Zao, wheat and liquorice. Traditionally, it is associated with a pattern of emotional distress, restlessness, tearfulness, frequent yawning and difficulty settling.

This is an important example because it shows that the fruit is genuinely used in formulas intended to encourage restful sleep . However, Da Zao is not usually treated as a powerful sleeping herb on its own. Its role is gentler and broader: it supports a depleted person while contributing to the balance of the complete formula.

Fruit and Seed: Two Different Medicines

The jujube fruit is sometimes confused with another important Chinese herbal medicine: sour jujube seed. Da Zao is the dried ripe fruit of Ziziphus jujuba. It is used principally as a nourishing, digestive and restorative ingredient. When it appears in a sleep formula, it is often because poor sleep sits alongside tiredness, emotional strain or digestive weakness.

Suan Zao Ren is the dried mature seed of sour jujube. It is the more directly sleep-focused medicine and is commonly selected for difficulty falling asleep, frequent waking, restlessness and night sweating. The seed is usually crushed before being simmered so that its constituents can be extracted more effectively.

The two materials are related, but they are not interchangeable. Some formulas contain the fruit, some contain the seed, and their place within a prescription is different.

A Place in French Pharmacy

ujube also travelled west, although its exact route into France is not fully documented. The Roman writer Pliny the Elder recorded that a jujube tree had been introduced into Italy during the final years of the emperor Augustus, around the beginning of the first century CE.

By the eighteenth century, the French evidence is much clearer. Jujube trees were growing in Provence and Languedoc, and the dried fruit was kept by apothecaries. The French Encyclopédie described jujubes as one of the sweet “pectoral fruits”—fruits used to soothe coughs and irritation of the chest.

The official Paris Pharmacopoeia of 1748 contains a compound jujube syrup beginning with an unexpectedly generous quantity: sixty jujubes . The fruit was combined with barley, liquorice, maidenhair fern, violet flowers and the seeds of mallow, an ingredient rarely encountered in modern Western herbal practice, quince, white poppy, melon and lettuce. The ingredients were simmered in water, strained and finished with sugar to make a syrup.

This was not a French sleep medicine. Barley provided a soft, slightly viscous base, while liquorice, violets and the other ingredients belonged to the European tradition of soothing preparations for the throat and chest.

The earlier Paris Pharmacopoeia of 1638 does not list a named jujube syrup in its index. By 1748, however, the preparation had gained an official place in Parisian pharmacy. There is currently no reliable primary evidence connecting this particular remedy with French monks; its documented French history belongs to apothecaries.

An Older Mediterranean Story

Related jujube trees appear in the records of ancient Egypt and the classical Mediterranean, but the botanical distinctions matter.

Ancient Egyptian prescriptions used Christ’s-thorn jujube, Ziziphus spina-christi, in remedies for swelling, pain and heat. This was a genuine medicinal jujube, but it was a local species rather than the East Asian Ziziphus jujuba.

The first-century Greek physician Dioscorides described a tree called lotos, which some modern editors identify as a species of Ziziphus. Its sweet fruit and wood were given several astringent uses. Because the name “lotus” was applied to more than one ancient plant, the passage cannot prove that Greek physicians were using Chinese jujube specifically.

These records show that several members of the jujube family entered medicine in different regions. They should not be combined into one continuous tradition or attributed to a single species.

What Is Inside Jujube Fruit?

Jujube fruit contains a complex mixture of nutrients and plant compounds, including:

polysaccharides
flavonoids
phenolic acids
triterpenoids
cyclic nucleotides
organic acids
pigments, including anthocyanins in the coloured skin

The amounts of these constituents vary with the cultivar, growing conditions, stage of ripeness, part of the fruit and method of drying or extraction.

A fresh fruit, a traditional dried red date, a water decoction and a concentrated laboratory extract are therefore not chemically identical preparations. This matters when traditional practice is compared with modern research.

What Does Modern Research Tell Us?

Research on jujube fruit has examined its antioxidant and anti-inflammatory activity, its changing chemistry during ripening and its possible effects on digestion and metabolic health. Much of this work remains laboratory-based or preclinical, while the human studies are still relatively small and use differing preparations.

The direct human evidence for the fruit as a treatment for insomnia is limited. This does not mean that Da Zao has no place in formulas for restful sleep. It means that its traditional use usually occurs within a multi-herb prescription and has not yet been adequately tested as an isolated fruit preparation in large clinical trials.

The seed has been studied more directly. A randomized, double-blind, placebo-controlled crossover feasibility trial published in 2021 investigated a Ziziphus spinosa seed preparation in adults with insomnia. Participants received two grams of encapsulated granules daily or placebo for four weeks before crossing over after a washout period.

The study showed that a carefully designed clinical trial of the seed was feasible and reported encouraging sleep findings. However, it was a small feasibility study rather than definitive proof of effectiveness. Most importantly, its results cannot be transferred automatically to Da Zao fruit.

The modern evidence therefore supports the same distinction found in traditional practice: the fruit is a broader nourishing and formula-balancing medicine, while the seed is the more directly sleep-focused material.

�� Key Takeaways

Jujube is an East Asian fruit that ripens from green to red-brown. Collected ripe and dried, it becomes Da Zao, a traditional Chinese medicine used for more than two thousand years.

The dried fruit is included in formulas for low energy, weak digestion, recovery and restful sleep. It is different from sour jujube seed, which is the more directly sleep-focused medicine.

By 1748, jujube had also entered the official Paris Pharmacopoeia, where sixty fruits were used in a compound syrup for coughs and the chest.

�� A Herbalist’s Perspective

Jujube is a beautiful example of why the role of a herb cannot always be reduced to one symptom or one active compound.

The fruit does not belong only to “digestion” or only to “sleep.” In traditional practice, it is chosen when these functions are connected—when poor sleep accompanies depletion, emotional strain, poor appetite or difficulty recovering. Its contribution comes partly from the fruit itself and partly from the way it changes the balance of the complete formula.

Its European history tells a different but equally valuable story. French apothecaries did not use jujube in the same way as Chinese physicians. They placed it among soothing fruits for the throat and chest.

The interesting question is therefore not simply, “What is jujube for?” It is how the same fruit was observed, prepared and understood within different systems of medicine—and how those older observations can now be examined with botanical precision and modern scientific care.

Clinical herbal medicine grounded in science and individualised care.

This article is for educational and informational purposes only. It does not replace medical advice, diagnosis or consultation with a qualified healthcare professional. Herbal medicines are not appropriate for every person or every condition, and scientific evidence continues to evolve.

References

Royal Botanic Gardens, Kew. Plants of the World Online: Ziziphus jujuba Mill.
Shen Nong Ben Cao Jing. Classical materia medica entry for Da Zao.
Zhang Zhongjing. Jin Gui Yao Lue, chapter 22. Gan Mai Da Zao Tang.
Hong Kong Baptist University. Medicinal Plant Images Database: Da Zao / Jujubae Fructus and Suan Zao Ren / Ziziphi Spinosae Semen.
Codex medicamentarius seu Pharmacopoea Parisiensis. Paris, 1748. Syrupus Jujubinus , pp. 92–93.
Venel. Jujube. Encyclopédie, ou Dictionnaire raisonné des sciences, des arts et des métiers. 1765.
Pliny the Elder. Natural History, Book XV.
Dioscorides. De Materia Medica, Book I, section 171, Lotos .
Kadioglu O, Jacob S, Bohnert S, et al. Evaluating ancient Egyptian prescriptions today: anti-inflammatory activity of Ziziphus spina-christi. Phytomedicine. 2016;23(3):293–306.
Xue X, Zhao A, Wang Y, et al. Composition and content of phenolic acids and flavonoids among different varieties, development stages and tissues of Chinese jujube. PLoS One. 2021;16.
Yan M, Wang Y, Watharkar RB, et al. Physicochemical and antioxidant activity of fruit harvested from eight jujube cultivars at different development stages. Scientific Reports. 2022;12:2272.
Jackson ML, et al. Medicinal seeds Ziziphus spinosa for insomnia: a randomized, placebo-controlled, crossover feasibility trial. Complementary Therapies in Medicine. 2021;57:102657.

Why One Herb Doesn’t Fit Every Case of High Blood Pressure

Fri, 07 Aug 2026 05:43:08 GMT

How Clinical Herbal Medicine Approaches Hypertension

Two people can have exactly the same blood-pressure reading. But the physiology producing that reading may be very different. That distinction matters. It is one of the reasons clinical herbal medicine does not begin with the question:

“What herb lowers blood pressure?”

Instead, we ask a broader question:

“What may be contributing to elevated blood pressure in this particular person?”

Because hypertension is not one single physiological problem — and understanding the pattern behind it can change the way we formulate.

Blood pressure is a measurement, not a mechanism

Blood pressure tells us about the force exerted by circulating blood against the walls of the arteries. It is an extremely important measurement. Persistently elevated blood pressure increases the risk of cardiovascular disease, stroke, kidney disease and other forms of organ damage. Bur the reading itself does not tell us why the pressure is elevated.

Modern cardiovascular physiology recognises hypertension as the product of complex interactions between the kidneys, cardiovascular system, nervous system, hormonal signalling, blood vessels, metabolism, genetics, behaviour and environment.

In most people, hypertension is classified as primary or essential hypertension . This means there is no single identifiable disease responsible for it. Rather, several regulatory systems may gradually become dysregulated and contribute to the development of persistent high blood pressure.

In other people there is an identifiable secondary cause , such as renal disease, primary aldosteronism, obstructive sleep apnoea, certain endocrine disorders or medicines that raise blood pressure. These require appropriate medical investigation and treatment.

So when we talk about the “drivers” of hypertension in clinical herbal medicine, we are usually talking about the physiological processes contributing to the individual picture — not claiming that every case has one hidden underlying cause waiting to be discovered.

The same reading can come from different physiology

Consider several very different possibilities.

1. Kidney and fluid regulation

The kidneys are central to long-term blood-pressure regulation. They regulate sodium, water balance, circulating volume and several hormonal systems involved in vascular tone and blood pressure.

In some people, altered sodium handling, salt sensitivity, renal dysfunction or activation of the renin–angiotensin–aldosterone system may form an important part of the hypertensive picture. Contemporary hypertension guidelines specifically recognise renal and neurohormonal mechanisms as central contributors to blood-pressure dysregulation.

That is a very different physiological situation from hypertension dominated primarily by increased vascular resistance.

2. Increased vascular resistance

Blood pressure is strongly influenced by how constricted or relaxed the arterial system is.

The endothelium — the specialised cellular lining of our blood vessels — is actively involved in regulating vascular tone.

Healthy endothelial signalling helps vessels dilate when required. Nitric oxide is one of the important signalling molecules involved in that process. When endothelial function deteriorates, vascular smooth muscle remains more constricted, oxidative and inflammatory signalling may increase, and resistance to blood flow can rise.

In that person, the therapeutic reasoning may therefore place greater emphasis on vascular tone, endothelial support and the integrity of the vessel wall . This is very different from simply asking whether a plant has demonstrated an average blood-pressure-lowering effect in a clinical trial.

3. Sympathetic nervous-system overactivity

Blood-pressure regulation is also intimately connected with the autonomic nervous system.

The sympathetic nervous system increases heart rate, cardiac output and vascular tone when the body needs to respond to demand or threat.

That response is entirely physiological. The problem arises when sympathetic activation becomes persistently elevated or poorly regulated. Stress, sleep disturbance, obstructive sleep apnoea and other physiological disturbances can all interact with autonomic regulation of blood pressure. Modern hypertension models recognise the central nervous system and sympathetic signalling as important components of the disorder. For this person, simply choosing a vasodilating herb may miss an important part of the picture.

4. Metabolic dysfunction

Hypertension frequently exists within a broader cardiometabolic picture. Obesity, insulin resistance, abnormal glucose regulation, dyslipidaemia and physical inactivity can interact with vascular, renal, inflammatory and sympathetic pathways that influence blood pressure. The WHO identifies obesity, inactivity, dietary factors and diabetes among important hypertension risk factors and associated conditions.

This means that in someone with hypertension alongside insulin resistance, raised triglycerides, central adiposity or impaired glucose regulation, treating blood pressure in isolation may make little physiological sense. The cardiovascular and metabolic systems are communicating with one another. Our treatment strategy should recognise that.

So how does clinical herbal medicine approach this differently?

This is where herbal formulation becomes important. A clinical herbal formula is not simply a collection of plants that have all appeared on a list of “herbs for high blood pressure.”

We identify the dominant physiological picture and then select plants whose actions make sense within that picture .

For example, where increased vascular resistance and endothelial dysfunction appear important, a formula might contain several plants selected for complementary actions relevant to vascular regulation.

Where fluid and renal regulation are more prominent, the formulation logic may be different.

Where metabolic dysfunction is strongly involved, the treatment may place considerably more emphasis on glucose regulation, lipid metabolism, diet, weight management and cardiometabolic function.

And where persistent sympathetic activation, poor sleep and chronic stress are significant contributors, autonomic regulation may need to form part of the therapeutic strategy.

Frequently, of course, these patterns overlap. That is why herbal formulation is a process of clinical reasoning , rather than matching one disease name to one plant.

But don't some herbs lower blood pressure?

Yes. There is human clinical evidence that certain botanical preparations can reduce blood pressure. For example, systematic reviews of Hibiscus sabdariffa have found reductions in systolic and diastolic pressure in people with mild-to-moderate hypertension, although responses vary between populations and studies.

A 2024 systematic review of aged garlic extract trials also found modest reductions in systolic and diastolic pressure among people with hypertension.

Olive leaf (Olea europaea) has increasingly interesting clinical evidence. A 2025 systematic review found potential reductions in blood pressure, while a large randomised placebo-controlled trial subsequently reported reductions in 24-hour systolic pressure alongside improvements in several cardiometabolic markers. The evidence is promising, although preparation, dose and study quality still matter.

Celery preparations have also been investigated. A 2025 systematic review of randomised trials reported improvements in blood pressure as well as some glycaemic and lipid measures, but substantial heterogeneity and relatively small studies mean the findings still require careful interpretation.

These studies are important.But they do not mean that hibiscus, garlic, olive leaf or celery is automatically “the herb for hypertension.” That would take us straight back to the problem we started with. The clinical question remains:

Does this plant — in this preparation, at an appropriate dose — make sense for this particular patient and this particular physiological picture?

From plant action to formulation

This is one of the most important distinctions between simply consuming a medicinal plant and practising clinical herbal medicine. A plant can have several pharmacological actions. A formula can bring together several plants whose actions complement one another. And the formula can be changed according to what we are trying to achieve.

We may be thinking about:

vascular tone;
endothelial function;
nitric-oxide signalling;
renal and fluid regulation;
sympathetic nervous-system activity;
metabolic health;
oxidative and inflammatory vascular stress;
sleep and recovery;
or the wider cardiovascular risk picture.

Not every patient needs every one of these addressed. That is precisely the point: The formulation follows the physiology.

An old principle with a modern physiological basis

The article that inspired this discussion, Eric Yarnell and Kathy Abascal's Treating Hypertension Botanically, was published in 2001. Its opening principle remains remarkably relevant: there is no single botanical treatment for hypertension because hypertension differs according to aetiology, risk factors and the individual.

Twenty-five years later, our understanding of hypertension has become considerably more sophisticated. Current European guidelines describe blood-pressure regulation as an interaction between genes, environment, behaviour, renal function, cardiovascular physiology, central nervous-system signalling, neurohormonal pathways, vascular mechanisms and immune biology.

That complexity does not make treatment less rational. It makes individualisation more important .

Treat the physiology, not simply the label

There is an understandable temptation to reduce herbal medicine to:

Condition → herb.

Insomnia → valerian.
Anxiety → passionflower.
Hypertension → hibiscus.

But clinical herbal medicine can be much more sophisticated than that. Two people may share the diagnosis of hypertension while having substantially different contributing physiology. So rather than beginning with:

“What herb treats hypertension?”

we begin with:

“Why might blood pressure be elevated in this person, and which physiological processes can we reasonably influence?”

From there, the herbs, preparation and formulation can be chosen with purpose. Because the same blood-pressure reading can arise from very different biology. And different biology calls for different treatment.

A note on safety

Hypertension is an important medical condition and herbal treatment should not replace appropriate medical assessment or prescribed antihypertensive therapy. Some medicinal plants can add to the effects of blood-pressure medicines or interact with other medication, and treatment therefore needs to take the person's full medication and health history into account.

Clinical herbal medicine grounded in science and individualised care.

Wildberry Clinic

References

Yarnell E, Abascal K. Treating Hypertension Botanically. Alternative & Complementary Therapies. 2001;7(5):284–290. DOI: 10.1089/107628001753312121.

McEvoy JW, et al. 2024 ESC Guidelines for the management of elevated blood pressure and hypertension. European Heart Journal. 2024;45(38):3912–4018.

World Health Organization. Hypertension. Updated September 2025.

Abdelmonem M, et al. Efficacy of Hibiscus sabdariffa on reducing blood pressure in patients with mild-to-moderate hypertension: a systematic review and meta-analysis of published randomized controlled trials. Journal of Cardiovascular Pharmacology. 2022;79(1)–e74.

Hasanzadeh S, et al. Effects of aged garlic extract on blood pressure in hypertensive patients: a systematic review and meta-analysis of randomized controlled trials. 2024.

Lachovicz R, et al. Efficacy of olive leaf extract in improving blood pressure in pre-hypertensive and hypertensive individuals: a systematic review and meta-analysis. Phytotherapy Research. 2025.

Liu D, et al. Effects of celery (Apium graveolens) on blood pressure, glycaemic and lipid profile in adults: a systematic review and meta-analysis of randomized controlled trials. Frontiers in Nutrition. 2025;12:1597680.

Research Focus: What Happens to the Brain After 50?

Thu, 06 Aug 2026 08:34:33 GMT

New research suggests that brain ageing may involve changes in the cells that protect, nourish and organise the brain—not simply the gradual loss of neurons.

When we think about the ageing brain, we often imagine neurons slowly wearing out or dying. But important new research suggests that something more complex may be happening.

The brain is not simply a collection of nerve cells. It is a living cellular community in which neurons depend upon immune cells, astrocytes, blood vessels, supporting tissues and carefully organised gene activity. Together, these systems continually:

nourish neurons;
remove damaged material;
regulate inflammation;
maintain the blood–brain barrier;
support communication between cells;
preserve memory and learning;
and create the conditions required for repair.

Research published in Science in 2026 suggests that this supporting ecology may undergo substantial reorganisation during midlife and later adulthood.

A closer look at the ageing hippocampus.

The researchers examined postmortem samples of the hippocampus from 40 neurologically healthy adults between the ages of 20 and 95. The hippocampus is a region of the brain that plays a particularly important role in memory, learning and spatial orientation.

Using advanced single-cell and genomic techniques, the researchers studied:

which types of cells were present;
which genes those cells were using;
the epigenetic changes influencing gene activity;
and how DNA was physically arranged inside the cell nucleus.

This final point is especially important. DNA is not stored inside the nucleus as a loose, random thread. It is folded into a highly organised three-dimensional structure. This organisation helps determine which genes can be accessed, which genes remain silent and how a cell preserves its specialised identity.

The study found both gradual and nonlinear changes across adulthood, with a particularly important period of transition appearing between approximately 50 and 75 years of age.

The brain’s resident immune cells appeared to change

Microglia are the specialised resident immune cells of the brain. They constantly survey the surrounding tissue and help to:

remove damaged cells and cellular debris;
respond to infection and injury;
regulate inflammation;
remodel synapses;
and coordinate repair.

Microglia develop from cells established early in embryonic life. They have traditionally been understood as a long-lived, self-renewing population that remains within the brain throughout adulthood.

The new study found that embryonic or yolk-sac-derived microglia progressively declined between approximately 50 and 75 years of age. They were increasingly replaced by cells whose molecular and epigenetic characteristics resembled immune cells derived from circulating blood monocytes.

These replacement-like cells also carried stronger inflammatory signatures. This does not yet prove that researchers directly observed blood monocytes travelling into the brains of living people. The likely origin of the cells was inferred from their molecular and epigenetic identity.

Nevertheless, the finding raises an important possibility: some ageing brains may gradually lose part of their original, highly specialised immune-cell population and replace it with cells that are not identically adapted to the brain environment.

Why might microglial replacement matter?

Microglia are not simply inflammatory cells. In a healthy brain, they are highly specialised maintenance cells. They must be able to distinguish between:

material that should be removed;
healthy cells that should be protected;
synapses that require remodelling;
temporary inflammatory signals;
and genuine threats that require a stronger immune response.

If long-established resident microglia are replaced by cells arriving from the circulation, an important question arises:

Can the incoming cells fully acquire the specialised identity and regulatory behaviour required by the brain?

A cell may begin to resemble a microglial cell and express some of the same markers without necessarily acquiring the same developmental history, chromatin organisation, metabolic programming or relationship with surrounding neurons and astrocytes. The issue may therefore be more complex than a simple change in cell numbers. It may involve a change in the quality, identity and integration of the brain’s immune population.

Astrocytes also declined

The study also found a substantial reduction in astrocytes, including populations involved in regulating synaptic transmission. Changes were also observed in endothelial and other supporting cells.

Astrocytes are sometimes described as support cells, but that description seriously understates their importance. They help to:

supply neurons with metabolic fuel;
regulate neurotransmitters;
maintain water and ion balance;
support the environment around synapses;
regulate local immune activity;
maintain the blood–brain barrier;
and coordinate communication between neurons and the circulation.

A decline in astrocytes could therefore weaken several maintenance systems simultaneously.

These include:

energy provision;
synaptic regulation;
vascular support;
neurotransmitter recycling;
inflammatory control;
and tissue repair.

The ageing neuron may therefore be affected not only by changes within itself, but also by the gradual loss of the cells that feed, protect and organise its environment.

The three-dimensional organisation of the genome deteriorated

One of the most intriguing findings was widespread disruption of three-dimensional genome architecture across multiple brain-cell types. The genome contains the cell’s genetic information, but its physical organisation helps determine how that information is used.

Genes that need to work together may be brought into physical proximity. Other regions may be folded away and kept inactive. This spatial arrangement helps:

a neuron remain a neuron;
an astrocyte remain an astrocyte;
a microglial cell maintain its specialised immune identity;
and each cell respond appropriately to its environment.

As this three-dimensional architecture became less organised with age, the researchers also observed changes in gene regulation and cellular identity. This suggests that brain ageing may involve more than genetic mutations or damaged DNA. Cells may gradually lose some of the regulatory organisation required to:

access the correct genes;
silence inappropriate genes;
respond to stress;
preserve their specialised identity;
communicate with neighbouring cells;
and complete repair successfully.

The ageing brain may be losing organisation

These findings support a broader way of understanding brain ageing. The problem may not simply be that individual neurons deteriorate. The cellular environment that maintains those neurons may progressively lose organisation.

A possible sequence is:

loss or changing identity of specialised microglia

→ increased or poorly regulated inflammatory signalling

→ declining astrocytic and vascular support

→ weaker clearance, metabolism and repair

→ disruption of chromatin organisation and cellular identity

→ poorer synaptic maintenance and plasticity

→ declining network coordination and cognitive reserve.

This remains a systems-level interpretation rather than a proven sequence of causation.

The study cannot yet tell us which change occurs first, whether one change directly causes another, or whether several maintenance systems deteriorate together. But it encourages us to think of the brain as an ecosystem.

Healthy cognition depends not only upon the survival of neurons, but upon preservation of the coordinated environment that nourishes, protects, instructs and repairs them.

Why do some people remain mentally sharp into very advanced age?

Not everyone experiences the same degree of cognitive decline. Some people remain intellectually active, creative and highly capable well into their eighties or nineties. Researchers sometimes describe older adults whose memory remains comparable to that of people several decades younger as SuperAgers .

A separate 2026 study examined adult human hippocampal neurogenesis and identified neural stem cells, neuroblasts and immature neurons in the ageing brain. The researchers found that SuperAgers appeared to have a distinctive pattern of neurogenesis, cellular regulation and cognitive resilience.

Changes involving astrocytes, neurons and chromatin accessibility were also associated with differences in cognitive function. This does not mean that simply producing more neurons is the complete answer. New cells must:

receive the correct signals;
mature successfully;
acquire the correct identity;
migrate to the appropriate location;
connect with existing cells;
and integrate into functioning neural networks.

The presence of stem or progenitor cells does not guarantee successful regeneration if the surrounding tissue environment has become metabolically impaired, inflammatory or disorganised.

Regeneration requires organisation

The two studies together suggest an important principle:

Regeneration requires organisation, and organisation requires signalling.

A healthy brain must be able to:

generate the correct signals;
transmit them through cells and tissues;
maintain receptors capable of receiving them;
interpret those signals accurately;
coordinate their timing;
and provide an environment in which new or repaired cells can integrate successfully.

It is therefore possible that exceptional cognitive longevity reflects preservation of the brain’s governing ecology : the coordinated cellular environment that maintains identity, restrains inappropriate inflammation and permits repair and regeneration.

In this view, the exceptionally ageing brain is not merely composed of unusually resistant neurons.

It has preserved more of the wider system that protects, nourishes, organises and renews those neurons.

Does this mean everyone’s brain changes suddenly at 50?

No. The study describes patterns identified across a relatively small collection of postmortem hippocampal samples. It does not mean that every person undergoes an identical cellular change on their fiftieth birthday.

The research was cross-sectional. It compared different people of different ages rather than following the same individuals continuously throughout life. It also examined the hippocampus rather than every region of the brain.

Although the donors were described as neurologically healthy, the study did not establish that the observed immune-cell transition directly causes:

memory loss;
Alzheimer’s disease;
dementia;
or another neurological condition.

The findings should therefore be viewed as an important biological clue—not as a diagnostic test or an inevitable prediction of decline.

What do these findings mean for an individual?

For the person reading this, the most important message is that these findings are not a prediction of inevitable mental decline . They do not mean that the brain suddenly deteriorates at 50, that everyone undergoes the same immune-cell transition, or that a person’s future cognitive health can be determined from age alone.

The study identified patterns across groups of people. It did not establish a biological timetable that applies equally to everyone. There is also currently no routine clinical test that can tell us whether:

a person’s resident microglia are being replaced;
their three-dimensional genome organisation is deteriorating;
their astrocyte population is declining;
or these particular cellular changes will eventually affect their memory.

What the research does suggest is that healthy brain ageing may depend upon much more than keeping neurons alive. It may depend upon preserving the wider environment that allows neurons to function. That includes:

healthy blood vessels;
an intact blood–brain barrier;
metabolically competent astrocytes;
appropriately regulated immune cells;
effective clearance of damaged material;
adequate sleep and circadian restoration;
continued synaptic activity;
cognitive engagement;
and control of vascular, metabolic and inflammatory burdens.

This changes the emphasis from waiting for memory loss to appear towards supporting the systems that maintain the brain throughout life. Current evidence-based dementia-risk guidance supports:

regular physical activity;
avoiding tobacco;
limiting harmful alcohol exposure;
maintaining social connection;
continuing cognitive and educational engagement;
protecting hearing;
and identifying and managing conditions such as high blood pressure, diabetes and high cholesterol.

These measures cannot guarantee that cognitive decline will be prevented.

They have also not been proven to stop the specific microglial transition or restore the three-dimensional genome changes described in this study. They are, however, among the best-supported ways of reducing avoidable pressure on the ageing brain.

It is also important not to dismiss noticeable cognitive changes as “just ageing.”

Occasional difficulty recalling a name is not necessarily the same as a persistent change in:

memory;
language;
judgement;
orientation;
personality;
or the ability to manage ordinary daily life.

Dementia becomes more common with advancing age, but it is not an inevitable consequence of getting older. Persistent or progressive cognitive changes deserve appropriate medical assessment. Reversible or treatable contributors can include medication effects, sleep disorders, depression, thyroid dysfunction, vitamin deficiencies, hearing impairment and vascular or metabolic disease. The most useful personal question may therefore not be:

“How old is my brain?”

It may be:

“How well are the systems that nourish, protect, organise and repair my brain functioning—and what pressures upon them can be identified and reduced?”

This is a more hopeful and more precise way to approach brain ageing. It recognises that vulnerability may develop long before obvious symptoms, but also that people differ greatly in their biology, health history, exposures and remaining cognitive reserve.

The findings therefore offer neither a reason for complacency nor a reason for fear.

They offer a framework for earlier attention: protect the brain’s vascular, metabolic, immune and regenerative environment before its reserve has been substantially lost.

What does the research mean for treatment?

At present, no medicine, supplement or medicinal herb has been proven to prevent the proposed microglial transition or restore the three-dimensional organisation of the ageing human brain.

The research does, however, change the questions that scientists and clinicians may need to ask.

Rather than focusing only on protecting neurons, future approaches may need to investigate how to:

preserve resident microglial identity;
reduce excessive microglial workload;
support mitochondrial and lysosomal function;
maintain healthy astrocytes;
protect the neurovascular unit;
preserve the blood–brain barrier;
regulate communication between the circulation and the brain;
preserve chromatin organisation;
support the successful maturation and integration of new neurons;
and maintain cognitive and physiological reserve.

The objective would not be to suppress the immune system indiscriminately. Microglia are essential for:

surveillance;
debris removal;
synaptic organisation;
defence;
and repair.

The more precise goal would be to preserve the conditions in which these cells can remain appropriately specialised, metabolically competent and responsive. Future treatments may therefore need to act at several interconnected levels rather than targeting one inflammatory molecule or one cell type.

Supporting the brain’s governing ecology

The emerging aim is not simply to stimulate regeneration. It is to preserve or restore the environment in which regeneration can occur successfully. This may require attention to:

Cellular identity

Can neurons, astrocytes and microglia continue to access the genes required for their specialised roles?

Energy and metabolic support

Can cells produce enough energy to maintain signalling, repair, clearance and synaptic function?

Immune regulation

Can microglia respond to genuine danger without remaining chronically activated?

Clearance and recycling

Can cells remove damaged proteins, lipids, mitochondria and cellular debris efficiently?

Vascular and barrier integrity

Can the brain receive oxygen, nutrients and appropriate immune information while limiting inappropriate entry of inflammatory cells and substances?

Repair and regeneration

Can stem and progenitor cells mature, acquire the correct identity and integrate into functioning networks?

Communication and timing

Can cells generate, receive and interpret the correct signals at the correct time?

Functional reserve

Can the brain still adapt to illness, psychological stress, sleep disruption, metabolic demand and other challenges?

This systems-level approach may ultimately prove more useful than searching for a single “anti-ageing” treatment.

A new way of thinking about healthy brain ageing

This research invites us to move beyond the idea that the brain simply wears out with time.

Ageing may involve a progressive weakening of the systems that maintain:

cellular identity;
communication;
metabolism;
repair;
clearance;
vascular integrity;
and organisation.

The hopeful implication is that decline is unlikely to be governed by neurons alone. It may be influenced by the wider physiological environment in which neurons live.

Understanding that environment may eventually help researchers identify why some brains remain remarkably resilient—and how the conditions supporting healthy cognition might be preserved for longer.

Exceptional cognitive longevity may represent preservation of the brain’s governing ecology—the coordinated cellular environment that maintains identity, restrains inappropriate inflammation and permits regeneration—rather than resistance by neurons alone.

And more broadly:

Ageing is not only the accumulation of damage. It may also be the gradual loss of the organisational and signalling conditions that allow living tissues to maintain, repair and regenerate themselves.

References

Zemke NR, Lee S, Mamde S, et al. Epigenetic and 3D genome reprogramming during the aging of the human hippocampus. Science. 2026;393(6809). doi:10.1126/science.adt8307.

Disouky A, Sanborn MA, Sabitha KR, et al. Human hippocampal neurogenesis in adulthood, ageing and Alzheimer’s disease. Nature. 2026;652:1264–1273. doi:10.1038/s41586-026-10169-4.

World Health Organization. Risk reduction of cognitive decline and dementia: WHO guidelines.

World Health Organization. Dementia fact sheet.

Educational disclaimer

This article is provided for educational purposes only. It does not constitute medical advice, diagnosis or treatment.

The research discussed is emerging and does not establish that the cellular changes described occur in every person or that they can currently be measured, prevented or reversed in routine clinical practice.

Anyone experiencing persistent or progressive changes in memory, language, judgement, orientation, personality or daily functioning should seek assessment from an appropriately qualified healthcare professional.

Clinical Insight: When Years of Stress Begin to Affect Energy and Blood Sugar

Wed, 05 Aug 2026 06:16:55 GMT

He did not describe himself as stressed. He said he was simply tired.

A clinical story about chronic stress, fatigue and metabolic regulation

Case confidentiality statement
This article is inspired by a clinical pattern encountered in practice. The name, personal circumstances, chronology and other identifying details have been changed, omitted or combined to protect client confidentiality. It should not be interpreted as the complete history or treatment record of any identifiable individual.

When Daniel first came to the clinic, he did not describe himself as stressed. He said he was simply tired. For years, he had managed a demanding workload, financial pressures and responsibilities at home. He was accustomed to solving problems, meeting deadlines and carrying on regardless of how he felt. Even when life became difficult, he rarely stopped.

“I’ve always been able to push through,” he explained. “But now it feels as though my body has stopped cooperating.”

His tiredness began before he even got out of bed. He could sleep through the night and still wake feeling as though he had barely rested. Getting dressed and preparing for the day required more effort than it once had. By late morning, his concentration was already declining. After lunch, the fatigue became overwhelming. Instead of feeling replenished by food, he often felt as though someone had switched off his energy. His eyelids became heavy, his thinking slowed and he struggled to continue working. Whenever possible, he would lie down and sleep.

The nap helped temporarily, but by early evening he frequently wanted to sleep again.

He had also developed an almost constant desire for sugar. Biscuits, chocolate and sweet drinks gave him a brief lift, allowing him to continue for another hour or two. The improvement never lasted. His energy would fall again, and the search for something sweet would begin once more.

Over time, other changes appeared. His eyesight seemed to be deteriorating. His eyes looked puffy underneath, particularly in the morning. He experienced persistent discomfort across his lower back. He caught colds and flu-like infections more easily than he once had and appeared to take longer to recover.

Perhaps most worrying to him was the change in his thinking. He struggled to remember names and details that would once have come easily. He would enter a room and forget why he was there. During conversations, he sometimes found it difficult to retrieve the word he wanted.

“I don’t feel as sharp as I used to,” he said. “It feels as though my brain is working through fog.”

At first glance, these symptoms might seem unrelated:

waking exhausted;
needing to sleep during the day and again in the evening;
severe fatigue after meals;
persistent sugar cravings;
slower thinking and poor concentration;
changes in eyesight;
recurrent colds and flu-like illnesses;
puffiness beneath the eyes;
lower-back discomfort.

Clinical practice, however, asks us to look beyond each symptom in isolation.

The history behind the fatigue

Daniel’s exhaustion had not appeared suddenly. For many years, his body had been responding to ongoing psychological and practical pressure. During a short-lived stressful event, the stress response is protective. Cortisol and other stress hormones help make fuel available so that the brain and muscles can respond to an immediate challenge. Glucocorticoids such as cortisol can increase glucose production by the liver and reduce glucose uptake and utilisation in tissues such as skeletal muscle and adipose tissue. In an acute emergency, this helps preserve fuel for the brain and other immediate demands.[1,2]

Once the challenge has passed, the body should be able to move back towards rest, restoration and metabolic balance. Daniel’s difficulty was that the challenge never seemed to pass. There was always another deadline, another responsibility or another problem requiring his attention. His body repeatedly received the message that energy needed to remain immediately available. Over time, prolonged activation of stress pathways and increased cortisol exposure can contribute to adverse metabolic effects, including impaired insulin sensitivity, particularly when combined with insufficient sleep, physical inactivity, visceral adiposity, dietary factors or an underlying susceptibility.[1,2]

Insulin is the hormone that helps cells take up and use glucose. When tissues become less responsive to insulin, the pancreas may initially compensate by producing more of it.

This compensation can sometimes maintain blood glucose within the reference range for a period, despite increasing metabolic strain beneath the surface.

In Daniel’s case, the combination of prolonged stress, disrupted recovery, persistent sugar cravings and marked fatigue after meals raised a clinical suspicion that insulin and blood-glucose regulation might have become part of the wider picture. It did not, by itself, confirm insulin resistance.

Post-meal fatigue can have several possible causes. Insulin resistance, prediabetes and diabetes must be assessed through appropriate medical history, examination and testing rather than diagnosed from symptoms alone.

The stress–sugar cycle

Daniel had become caught in a cycle that many exhausted people will recognise. Stress increased the demand for readily available energy. Fatigue made him crave sugar. Sugar gave him a temporary lift. The lift was followed by another decline. The decline created another craving.

Because he felt so tired, he moved less. Reduced movement meant that his skeletal muscles had fewer opportunities to use glucose through physical activity.

His low energy also made it harder to plan and prepare balanced meals. Quick, sweet foods became the easiest way to keep functioning. Meanwhile, the pressures contributing to his stress response remained unresolved.

This was not simply a failure of willpower. His body was searching for fuel in the fastest way it knew. The problem was that the strategy providing short-term relief was no longer creating long-term stability.

Why he felt tired and alert at the same time

One of the confusing features of chronic stress is that a person can feel profoundly exhausted while still finding it difficult to settle fully. Daniel needed to sleep during the day, but his sleep did not always leave him restored. His body was fatigued, yet part of his stress-response system appeared to remain watchful.

This can create the experience often described as being “tired but wired” : physically depleted, mentally restless and unable to move smoothly between activity and recovery. The body becomes increasingly practised at responding to demand, while the transition back into rest and repair becomes less successful.

Why he was catching more colds

Daniel had also noticed that he seemed to catch every cold circulating around him. The immune system does not operate separately from the nervous, endocrine and metabolic systems. Large analyses of human studies have found that chronic psychological stress is associated with changes in immune function, while prospective research has linked psychological stress with increased susceptibility to upper-respiratory infections.[3,4]

This does not mean that stress alone explains every cold or flu-like illness. Exposure to viruses, sleep, nutrition, existing health conditions, vaccination status and many other factors influence whether someone becomes unwell. However, recurrent illness formed another part of Daniel’s wider clinical picture: a body experiencing persistent demand without sufficient restoration.

What about his eyesight and mental fog?

Changes in eyesight and cognitive function should never simply be dismissed as consequences of stress. Fatigue, disrupted sleep and fluctuating energy availability can affect concentration and mental performance. However, worsening vision, persistent cognitive changes and severe daytime sleepiness may also have other medical explanations.

Fatigue and blurred vision are among the symptoms that can occur with diabetes, although many people with prediabetes or type 2 diabetes have few or no noticeable symptoms.[5,6] The presence of these symptoms does not prove that diabetes is present. It means that appropriate assessment is important. Depending on the individual presentation, investigation of persistent fatigue may include consideration of:

fasting glucose and HbA1c;
blood pressure and cardiovascular risk;
full blood count and iron status;
thyroid function;
vitamin B12, folate or vitamin D where clinically appropriate;
kidney and liver function;
sleep quality and possible sleep apnoea;
medication or alcohol effects;
infection, inflammatory illness or other medical conditions.

An eye examination may also be necessary when eyesight is changing. The purpose of identifying a clinical pattern is not to force every symptom into one explanation. It is to recognise possible connections while remaining alert to conditions that require separate investigation.

The clinical turning point

Daniel initially wanted something that would give him more energy. But stimulating an already overworked system was not the answer. The goal was not to help him push harder. It was to understand why his energy was no longer being regulated and restored effectively.

His clinical plan therefore focused on reducing the repeated metabolic and stress-related demands being placed on his body. This included reviewing meal composition and timing, reducing reliance on sugar, supporting more stable glucose regulation, improving sleep and recovery, introducing appropriate physical movement and addressing the long-standing pressures that kept his stress response activated.

Medical assessment and relevant investigations were also important, particularly because of his severe fatigue, post-meal symptoms, eyesight changes and cognitive concerns.

The work was gradual. His body had spent years adapting to chronic demand. It could not be expected to reorganise itself in a few days. The first positive change was not that he suddenly felt full of energy. It was that he could eat lunch without feeling that he had to lie down immediately afterwards. His cravings became less urgent. His energy began to feel more predictable. He could think for longer without losing focus, and he gradually became less dependent on naps to complete the day.

These changes represented the progress of one individual clinical pattern. They do not predict how another person will respond or establish that the same approach is appropriate for everyone.

The wider clinical lesson

Chronic stress is not confined to the mind. Through interactions among cortisol, sleep, appetite, behaviour, glucose availability and insulin action, long-term stress may contribute to a wider disturbance of metabolic regulation.[1,2]

Fatigue is sometimes described as though the body has simply run out of energy. In some cases, however, the deeper problem may involve how energy is being mobilised, distributed, used and restored.

Fuel may be repeatedly made available in response to stress, while the tissues responsible for using that fuel become less responsive. Sugar may provide temporary rescue while contributing to a pattern of fluctuating energy. Persistent fatigue may then reduce movement, impair food choices and make restorative behaviour more difficult. The clinical question is therefore not only:

“Why is this person tired?”

It is also:

“What has happened to the body’s ability to regulate energy, respond to food and recover from demand?”

Daniel’s body had not suddenly failed him. It had adapted for years to an environment of persistent pressure. His symptoms emerged when those adaptations could no longer maintain stability without cost.

Recovery began when the focus shifted away from forcing more performance and towards restoring the conditions required for metabolic balance, immune resilience and genuine physiological recovery.

The body can survive prolonged stress by continually making energy available. But health also depends on being able to stop mobilising energy and begin restoring it.

Medical disclaimer

This article is provided for general education and does not constitute medical advice, diagnosis or treatment. The case narrative has been adapted and anonymised and should not be used to diagnose insulin resistance, diabetes, a cortisol disorder, immune dysfunction or any other condition.

Symptoms such as persistent or severe fatigue, worsening eyesight, cognitive changes, recurrent infections, excessive thirst, frequent urination, unexplained weight change or marked sleepiness should be discussed with a qualified medical professional. Insulin resistance and diabetes require appropriate clinical assessment and testing.

Sudden changes in vision, severe confusion, fainting, breathing difficulty or rapidly worsening symptoms require urgent medical attention.

Herbal medicines, nutritional supplements and significant dietary changes may not be appropriate for everyone and can interact with medicines or existing health conditions. Treatment should be individualised and, where appropriate, coordinated with the person’s medical practitioner.

References

Mazgelytė E, Karčiauskaitė D. Cortisol in metabolic syndrome. Advances in Clinical Chemistry. 2024;123:129–156. doi: 10.1016/bs.acc.2024.06.008.
Kuo T, McQueen A, Chen T-C, Wang J-C. Regulation of glucose homeostasis by glucocorticoids. Advances in Experimental Medicine and Biology. 2015;872:99–126. doi: 10.1007/978-1-4939-2895-8_5.
Segerstrom SC, Miller GE. Psychological stress and the human immune system: a meta-analytic study of 30 years of inquiry. Psychological Bulletin. 2004;130(4):601–630. doi: 10.1037/0033-2909.130.4.601.
Pedersen AF, Zachariae R, Bovbjerg DH. Influence of psychological stress on upper respiratory infection: a meta-analysis of prospective studies. Psychosomatic Medicine. 2010;72(8):823–832. doi: 10.1097/PSY.0b013e3181f1d003.
Centers for Disease Control and Prevention. Symptoms of Diabetes. Updated 15 May 2024.
National Health Service. Symptoms of Type 2 Diabetes and How It Is Diagnosed. Reviewed 10 February 2025.
National Health Service. Tiredness and Fatigue. Reviewed 2 June 2023.

Camu-Camu: The Amazonian Fruit Beyond Vitamin C

Sun, 02 Aug 2026 17:42:50 GMT

From riverbank tradition to emerging research on the gut–liver axis

Along the flooded riverbanks of the Amazon grows a small fruit that is easy to overlook. Camu-camu begins life green, ripening through shades of red into a deep crimson-purple. Its flavour is intensely sour, which is why it has traditionally been mixed with water rather than eaten by the handful.

For many years, the fruit became known internationally for one striking feature: its exceptionally high vitamin C content. Yet modern research is beginning to suggest that camu-camu may be more interesting than a simple source of one nutrient.

Its polyphenols, pigments and other plant compounds are now being investigated for their possible influence on inflammation, the gut microbiome and metabolic liver health.

Meet the Plant

Camu-camu, botanically known as Myrciaria dubia, belongs to the Myrtaceae family—the same botanical family as guava, cloves, eucalyptus and myrtle. It is a shrub or small tree native to tropical regions of South America, including Peru, Brazil, Colombia, Ecuador, Bolivia and Venezuela. It grows particularly well in wet tropical environments and is closely associated with the margins of Amazonian rivers, lakes and seasonally flooded areas.

The berries are small and round, usually measuring approximately one to three centimetres across. As they ripen, the skin changes from green to red and then to a darker violet-purple, reflecting changes in pigments such as anthocyanins.

The relationship with water is an important part of the plant’s identity. Wild populations can spend part of the year surrounded by floodwater, and the fruit has traditionally been collected from shrubs growing close to the river.

A Fruit Shaped by the Amazon

Camu-camu is not simply a tropical crop that happens to grow in the Amazon. It is part of a river landscape. The plant is adapted to the seasonal rise and fall of the water. Its fruit is eaten by fish and other animals, helping to move seeds through the flooded ecosystem.

Historically, people could gather the berries from canoes as they travelled along the waterways.

Older accounts describe different relationships with the fruit across the Amazon. In the Peruvian Amazon, local and Indigenous communities consumed camu-camu fresh or used it in drinks. In some Brazilian regions, it was historically better known to fishing communities as bait and as an indication that fish were gathering beneath fruiting shrubs. This regional variation reminds us that there is rarely one single “traditional use” for a plant.

Traditional Preparation

Because fresh camu-camu is extremely acidic, it has often been crushed or pulped, diluted with water and sweetened to create a refreshing drink. In the Peruvian Amazon, the fruit has also been used in juices, soft drinks, jellies, ice creams, frozen treats, desserts, wines and liqueurs. Its use as a food appears to be better documented than its use as a formal medicinal preparation.

Some ethnobotanical sources also describe regional medicinal uses of the leaves, peel or fruit for colds, digestive complaints, arthritis and other conditions. These reports are interesting, but the documentation is uneven and can not be taken as proof of clinical effectiveness. The most accurate description is therefore that camu-camu has traditionally been a local Amazonian food and drink , valued for its sharp flavour and refreshing qualities, with additional medicinal uses reported in some communities.

What Is Inside Camu-Camu?

Vitamin C is the fruit’s best-known constituent, but it is only one part of a much larger chemical mixture. Camu-camu contains several groups of biologically active compounds, including:

anthocyanins, which contribute to the red-purple colour of the ripe fruit
flavonols such as quercetin and myricetin
ellagic acid and ellagitannins
proanthocyanidins
carotenoids
organic acids and volatile aromatic compounds

The quantity of these constituents can vary considerably depending on where the plant was grown, the stage of ripeness, the part of the fruit used and the way it was dried, stored or extracted.

The peel and seeds may also contain a different chemical profile from the pulp. This is important because a glass of juice, a whole-fruit powder and a concentrated polyphenol extract are not chemically identical preparations.

Beyond the “Superfruit” Story

Camu-camu is often marketed as an antioxidant superfruit. Although the term is attractive, it can flatten a complex plant into a single, rather vague claim. Plant polyphenols do not necessarily work simply by travelling through the body and “neutralising free radicals.” Many are transformed by digestion and by intestinal microorganisms. Their metabolites may then influence signalling pathways, inflammatory activity, microbial ecology and communication between the intestine and other organs.

This has led researchers to investigate camu-camu through the gut–liver axis —the two-way relationship between the intestine, its microbial inhabitants and the liver. The liver receives nutrients, microbial metabolites and other compounds arriving from the digestive tract through the portal circulation. Changes within the intestinal environment can therefore influence the metabolic and inflammatory signals reaching the liver.

The 2024 Human Trial

One of the most interesting camu-camu studies to date was a randomized, double-blind, placebo-controlled crossover trial published in Cell Reports Medicine in 2024. The study involved 30 adults with overweight and raised triglycerides. Participants consumed either 1.5 grams of a polyphenol-rich camu-camu preparation each day or a placebo for 12 weeks , before crossing over to the other intervention following a washout period. Liver fat was measured using magnetic resonance imaging.

During the camu-camu phase, liver fat decreased by 7.43%. During the placebo phase, it increased by 8.42%, producing a relative difference of 15.85% between the interventions. Levels of the liver enzymes ALT and AST also decreased during camu-camu supplementation.

The researchers also detected changes in the relative abundance of several intestinal bacterial groups. However, camu-camu did not completely restructure the microbiome, nor did it significantly change overall microbial diversity. The findings suggest a selective microbiome-modulating effect rather than a simple transformation from an “unhealthy” to a “healthy” microbiome.

Earlier Human Research

An earlier study explored whether camu-camu behaved differently from isolated vitamin C.

Twenty male smokers received either 70 millilitres of camu-camu juice or vitamin C tablets containing the same quantity of vitamin C for seven days. Several markers associated with oxidative stress and inflammation decreased in the camu-camu group but not in the vitamin C group.

Because the study was very small, short and conducted only in male smokers, it cannot establish broad clinical benefits. However, it supports an important idea: the effects of a whole fruit may not be explained by vitamin C alone. The interaction between vitamin C, polyphenols, pigments, organic acids and microbial metabolism may be more biologically relevant than any one constituent in isolation.

�� Key Takeaways

Camu-camu is an intensely sour Amazonian fruit that has traditionally been used in drinks and foods along the river regions of Peru.

It contains far more than vitamin C, including anthocyanins, ellagitannins, flavonols, proanthocyanidins and other polyphenols.

A small 2024 human trial found that a specific camu-camu preparation reduced liver fat and liver enzyme levels in adults with overweight and raised triglycerides, while also changing parts of the gut microbiome.

�� A Herbalist’s Perspective

Camu-camu is a beautiful example of why plants should not always be reduced to their most famous nutrient. Its story begins with a fruit growing at the edge of the Amazonian river. Modern science then asks a much wider question: could the complete chemical pattern of that fruit interact with the microbial and metabolic organisation of the human body?

The most interesting possibility may not be that camu-camu acts directly on one organ or one biochemical marker. It may be that its polyphenols influence the relationships between the intestine, its microorganisms and the liver.

That remains an emerging area of research—but it is precisely where this small Amazonian fruit becomes far more interesting than a vitamin C supplement.

This article is for educational purposes and does not replace individual medical assessment, diagnosis or treatment.

References

Agrinier A-L, et al. Camu-camu decreases hepatic steatosis and liver injury markers in overweight, hypertriglyceridemic individuals: a randomized crossover trial. Cell Reports Medicine. 2024.
García-Chacón JM, et al. Camu Camu (Myrciaria dubia): An Amazonian Fruit with Biofunctional Properties—A Review. ACS Omega. 2023.
Inoue T, et al. Tropical fruit camu-camu has anti-oxidative and anti-inflammatory properties. Journal of Cardiology. 2008.
Kew Science. Plants of the World Online: Myrciaria dubia.
Andrade JS, Andrade DS. Camu-camu: Historical rescue as a basis for its valorization in the Amazon. 2023.

Can Medicinal Plants Influence Telomeres?

Thu, 30 Jul 2026 06:31:39 GMT

What emerging research on Astragalus, Monarda, Centella, Epimedium and Scutellaria may reveal about healthy ageing

Telomeres are protective structures found at the ends of our chromosomes. They are often compared to the plastic tips on shoelaces because they help prevent chromosome ends from becoming damaged, degraded or incorrectly joined together.

Each time many of our cells divide, their telomeres become slightly shorter. Eventually, when telomeres become critically short or dysfunctional, the cell may stop dividing, enter a state of cellular senescence or undergo programmed cell death.

This does not mean that telomere shortening alone causes ageing. Ageing is shaped by a much broader network involving mitochondrial function, inflammation, DNA repair, cellular senescence, metabolic regulation and tissue renewal. Nevertheless, telomere attrition is recognised as an important feature of biological ageing and has become an active area of longevity research.

Researchers are now investigating whether certain plant compounds may help preserve telomere integrity, reduce the rate of telomere shortening or influence the activity of telomerase—the enzyme capable of adding new DNA sequences to telomere ends.

The research remains at an early stage, but several medicinal plants are producing particularly intriguing results.

Astragalus: the most extensively studied botanical

Astragalus membranaceus has attracted the greatest attention in telomere research.

The principal focus has been on specialised Astragalus-derived preparations containing compounds such as cycloastragenol and astragaloside IV. These preparations have been investigated for their potential to influence telomerase activity and support the maintenance of short telomeres.

In a 2016 randomised, double-blind, placebo-controlled study involving 117 adults aged between 53 and 87, participants received either a placebo or one of two doses of the proprietary Astragalus-derived preparation TA-65 for one year.

The lower-dose group showed a statistically significant increase in telomere length, while telomere length declined in the placebo group. Interestingly, the higher-dose group showed a positive trend, but the change did not reach statistical significance.

A second randomised controlled study, published in 2024, followed 40 healthy middle-aged adults for six months. Participants receiving a standardised Astragalus-based supplement showed increases in both median telomere length and the length of their shortest telomeres, together with a reduction in the proportion of very short telomeres. No comparable change was observed in the placebo group.

These findings are encouraging, particularly because the shortest telomeres may be more relevant to cellular function than average telomere length alone. However, the studies remain relatively small, and some investigators were connected to the companies developing or supplying the extracts. The results therefore require confirmation through larger, fully independent trials.

It is also important to understand that these studies evaluated highly specialised, standardised preparations. Their findings cannot automatically be applied to ordinary Astragalus tea, tincture or powdered root.

Monarda didyma: encouraging new human evidence

Monarda didyma—also known as scarlet beebalm or bergamot—is emerging as another fascinating botanical candidate.

A 2025 study combined laboratory experiments with a randomised, double-blind, placebo-controlled clinical trial. The human study included 81 adults aged between 45 and 65, who received either 100 mg of a formulated Monarda extract or a placebo each day for 12 weeks.

Participants receiving the Monarda extract showed an improvement in leukocyte telomere length and greater stability in measures of DNA methylation age. Improvements were also reported in aspects of physical quality of life, movement and sleep.

The accompanying laboratory work suggested several possible mechanisms. The extract demonstrated antioxidant activity, reduced oxidative DNA damage, slowed telomere shortening, decreased markers of cellular senescence and supported endothelial function.

This is particularly interesting because it suggests that Monarda may not act solely by stimulating telomerase. It may also help create a cellular environment in which telomeres are exposed to less oxidative and inflammatory damage.

The research is promising, but it remains a single pilot trial using a specific commercial extract developed in collaboration with an ingredient manufacturer. Replication by independent research groups will be essential.

Centella asiatica: supporting cellular resilience

Centella asiatica is already widely studied for wound repair, collagen organisation, vascular health and neurological function. Its possible relationship with telomere biology is much less established, but early experimental findings are intriguing.

A proprietary Centella extract known as DLBS1649 was tested in mammalian cells and in fruit flies. In cultured cells, the extract reduced the degree of telomere shortening over repeated cell passages and influenced the expression of several genes associated with ageing, including TERT, SIRT1, SIRT2 and Klotho. The extract also extended survival time in the fruit-fly model.

Another laboratory study examined a combination of Centella with pomegranate, sweet orange and Cistanche extracts. The botanical blend reduced telomere shortening in human dermal fibroblasts, including cells exposed to oxidative stress, and temporarily increased telomerase activity.

These findings indicate potential, but they do not yet demonstrate that Centella alone can lengthen telomeres in humans. At present, its telomere evidence should therefore be described as preclinical. Its relevance may lie in supporting broader cellular resilience through antioxidant defence, mitochondrial function, extracellular-matrix regulation and modulation of cellular senescence.

Epimedium: telomere protection without telomerase activation

Epimedium provides an especially interesting example because its effects may involve telomere protection rather than direct telomerase stimulation.

In an experimental study using ageing human diploid fibroblasts, an Epimedium flavonoid fraction extended the cells’ replicative lifespan and helped protect telomere length.

The researchers also observed reduced expression of the cell-cycle inhibitor p16 and changes in retinoblastoma protein signalling. Importantly, telomerase itself was not activated.

This distinction matters.

A substance does not necessarily need to stimulate telomerase to support telomere biology. It may instead reduce the oxidative stress, inflammation or cellular signalling disturbances that accelerate telomere attrition.

Scutellaria baicalensis and baicalin

Scutellaria baicalensis contains several flavonoids, including baicalin, baicalein and wogonin.

Baicalin has been studied in human skin fibroblasts exposed to ultraviolet A radiation—a form of cellular stress capable of promoting oxidative damage, DNA injury and premature cellular ageing.

In the untreated cells, UVA exposure shortened telomeres and increased markers associated with oxidative stress, DNA damage and cellular senescence.

Pretreatment with baicalin helped protect the cells against this telomere shortening. It also reduced oxidative damage and altered several ageing-associated signals, including p53, p16 and p66Shc.

This was a laboratory experiment rather than a human clinical trial. It does not demonstrate that taking Scutellaria orally—or applying it to the skin—will lengthen telomeres in people.

Nevertheless, the study provides useful mechanistic evidence that plant flavonoids may help preserve telomere integrity by protecting cells from environmental and oxidative stress.

Lengthening, protecting and maintaining are not the same thing

When discussing telomere research, it is important to distinguish between several different effects:

Telomere lengthening: an increase in the measured length of telomeres.
Reduced telomere shortening: slowing the rate at which telomeres are lost.
Protection of short telomeres: reducing the proportion of critically short telomeres.
Telomerase activation: increasing the activity of the enzyme that extends telomeres.
Senescence modulation: influencing the signals that determine whether a cell continues dividing, enters senescence or undergoes cell death.

A plant compound may influence one of these processes without affecting the others.

This is why the emerging research should not be reduced to the question, “Does this herb make telomeres longer?”

A more useful question may be:

Can this botanical help preserve the cellular environment required for effective DNA protection, repair, communication and tissue renewal?

Is activating telomerase always beneficial?

Telomerase is essential in certain stem cells, reproductive cells and immune cells because these cells must continue dividing. However, telomerase activity is also used by many cancer cells to maintain their ability to replicate. Telomere lengthening or telomerase activation should therefore not automatically be interpreted as beneficial in every tissue or clinical context.

The objective of healthy-ageing research is not simply to make every cell divide indefinitely.

It is to understand how telomere maintenance can be appropriately regulated alongside DNA repair, immune surveillance, apoptosis, cellular senescence and normal tissue renewal.

What does the research tell us so far?

The strongest botanical evidence currently relates to specialised Astragalus-derived preparations, supported by several small human studies.

Monarda didyma has now produced encouraging results in a recent controlled human trial, although independent replication is needed.

Centella, Epimedium and Scutellaria baicalensis have demonstrated intriguing effects in laboratory and preclinical studies, particularly in relation to oxidative protection, cellular senescence and reduced telomere shortening.

Together, these findings suggest that medicinal plants may influence telomere biology through more than one pathway. Some may affect telomerase directly. Others may help protect DNA from oxidative stress, regulate inflammatory signalling, support mitochondrial function or reduce the premature transition of cells into senescence.

�� Key Takeaways

Telomeres help protect chromosome ends and contribute to genomic stability. Certain standardised Astragalus-derived extracts have increased measures of telomere length in small controlled human trials.

A recent study of a formulated Monarda didyma extract reported improved leukocyte telomere length after 12 weeks.

Centella, Epimedium and baicalin from Scutellaria baicalensis have shown telomere-related effects in laboratory or preclinical research.

Telomere lengthening, telomere protection and telomerase activation are different biological processes and should not be treated as interchangeable.

The evidence is promising, but it remains too early to translate these studies into general recommendations for ordinary herbal preparations.

�� A Herbalist’s Perspective

Medicinal plants rarely influence only one molecular target. Their potential value in healthy ageing may arise from their ability to interact with several connected processes at once: oxidative stress, inflammation, mitochondrial function, endothelial health, DNA protection, extracellular-matrix renewal and cellular senescence.

Telomeres provide one fascinating window into these wider effects. The emerging research does not yet offer a simple “telomere herb.” Instead, it invites us to investigate how carefully selected and properly standardised botanical compounds might help preserve the cellular organisation required for long-term tissue function and resilience. That is where the real scientific interest lies.

Educational disclaimer

This article is provided for educational purposes only and does not constitute medical advice. The studies discussed often used specialised or proprietary botanical extracts that are not equivalent to ordinary teas, tinctures, powders or supplements. Botanical medicines may interact with medication and may not be appropriate for everyone. Please consult a suitably qualified healthcare professional before beginning any new supplement or herbal preparation.

References

Salvador L, Singaravelu G, Harley CB, et al. A natural product telomerase activator lengthens telomeres in humans: a randomized, double-blind and placebo-controlled study. Rejuvenation Research. 2016;19(6):478–484.
de Jaeger C, Kruiskamp S, Voronska E, et al. A natural Astragalus-based nutritional supplement lengthens telomeres in a middle-aged population: a randomized, double-blind, placebo-controlled study. Nutrients. 2024;16(17):2963.
Campisi M, Cannella L, Paccagnella O, et al. Unveiling the geroprotective potential of Monarda didyma L.: insights from in vitro studies and a randomized clinical trial on slowing biological aging and improving quality of life. GeroScience. 2025;47(3):4253–4290.
Karsono AH, Tandrasasmita OM, Tjandrawinata RR. Potential antiaging effects of DLBS1649, a Centella asiatica bioactive extract. Clinical Interventions in Aging. 2021.
Borras-Linares I, et al. In vitro determination of the skin anti-aging potential of a four-component plant-based ingredient. International Journal of Molecular Sciences. 2022.
Zhang Z, et al. Experimental study on the effect of Epimedium flavonoids in protecting telomere length in senescent cells. 2005.
Min W, Liu X, Qian Q, et al. Effects of baicalin against UVA-induced photoaging in skin fibroblasts. American Journal of Chinese Medicine. 2014;42(3):709–727.

Clinical Insight: Supporting Patients Using GLP-1 Medicines

Sun, 26 Jul 2026 18:57:24 GMT

Why successful treatment involves more than the number on the scales

How do we support patients using GLP-1 medicines? By looking beyond the number on the scales.

GLP-1 and related medicines can be highly effective tools for weight management and blood-glucose control. By reducing appetite, increasing feelings of fullness and slowing the movement of food through the stomach, they can help people achieve substantial and clinically meaningful weight loss. Tirzepatide acts on both GLP-1 and GIP receptors but is commonly discussed alongside GLP-1 medicines because of its similar effects on appetite, glucose regulation and body weight.

However, successful treatment involves more than losing weight. As appetite, food intake and digestion change, attention must also be paid to nourishment, bowel function, hydration, electrolyte balance, muscle and bone health, sleep, cardiovascular function and the gallbladder. Some patients may also need their diabetes, blood-pressure or other medicines reviewed as their physiology changes.

At Wildberry Clinic, our role is to work alongside the prescribing team. We create an individual plan using nutrition, clinical herbal medicine and adapted physical exercise , with the aim of supporting bowel regularity, adequate nourishment, muscle preservation and long-term digestive and metabolic health.

Digestion: when fullness becomes excessive slowing

One of the ways GLP-1 medicines reduce food intake is by slowing gastric emptying. This helps people remain full for longer, but it can also contribute to:

nausea
reflux and indigestion
abdominal fullness or bloating
vomiting
constipation
reduced tolerance of normal-sized meals

With semaglutide, nausea, diarrhoea, vomiting and constipation are among the most frequently reported adverse effects. In clinical trials, constipation affected approximately 24% of patients receiving semaglutide and lasted longer than many of the other gastrointestinal symptoms, with a reported median duration of 47 days.

Tirzepatide is also associated with nausea, vomiting, diarrhoea, constipation, reflux and delayed gastric emptying. Gastrointestinal symptoms tend to be more common during dose escalation and often lessen with time, but persistent or worsening symptoms should not simply be accepted as an unavoidable part of treatment.

Supporting bowel regularity

Constipation during treatment may be influenced by several factors:

slower movement through the digestive tract
smaller food portions
reduced fluid intake
lower intake of fibre and dietary fats
reduced physical activity
other medicines that slow the bowel

The answer is not always to add large quantities of fibre. In someone with severe bloating, marked early fullness, vomiting or possible delayed stomach emptying, rapidly increasing bulky fibre may make symptoms worse.

Our assessment therefore considers the person’s usual bowel pattern, hydration, food intake, fibre tolerance, activity, current medicines and the presence of pain, reflux or nausea. The plan is adjusted to the individual rather than following a standard “GLP-1 protocol.”

Persistent vomiting, substantial abdominal swelling, severe pain, or an inability to pass stool or wind requires medical assessment.

Gallbladder health during weight loss

Gallstones and gallbladder inflammation are recognised complications during treatment with semaglutide and tirzepatide. The risk appears to be influenced partly by the degree and speed of weight loss, as rapid mobilisation of stored fat can change the composition and movement of bile.

In pooled tirzepatide weight-management trials, acute gallbladder events were positively associated with weight reduction. Gallbladder inflammation occurred more frequently in tirzepatide-treated participants than in those receiving placebo, although the overall event rate remained low.

Supportive care cannot guarantee the prevention of gallstones. Our role is to reduce avoidable physiological strain and recognise concerning symptoms early by considering:

the speed of weight loss
whether the person is eating regular, nutritionally adequate meals
hydration and bowel regularity
previous gallstones or gallbladder disease
abdominal symptoms and their timing
medicines and other risk factors

Symptoms requiring medical review include persistent or severe pain in the upper abdomen—particularly on the right side—pain extending towards the back or shoulder, fever, repeated vomiting, jaundice, pale stools or unusually dark urine.

Clinical herbal medicine must never be used to delay investigation of suspected gallstones, gallbladder inflammation or bile-duct obstruction.

Pancreatic awareness

Acute pancreatitis is an uncommon but recognised adverse effect of GLP-1 and dual GIP/GLP-1 medicines. In January 2026, the UK Medicines and Healthcare products Regulatory Agency strengthened warnings after receiving rare reports of severe, necrotising and fatal pancreatitis.

The principal warning symptom is:

Severe, persistent abdominal pain that may travel through to the back, with or without nausea and vomiting.

This requires urgent medical assessment. Because nausea and abdominal discomfort can also occur as ordinary treatment side effects, persistent or unusually severe pain should not be dismissed as the body simply “adjusting” to the medicine.

Hydration, electrolytes and kidney function

GLP-1 medicines do not usually deplete electrolytes directly in the way that a diuretic might.

The concern is more often indirect. Reduced appetite can lead to reduced drinking, while vomiting or diarrhoea can cause a loss of both fluid and electrolytes. Significant dehydration can, in turn, contribute to dizziness, weakness, low blood pressure and deterioration in kidney function.

The current European product information for tirzepatide specifically advises precautions to avoid both fluid depletion and electrolyte disturbances. The risk deserves particular attention in older patients and in people with kidney disease or medicines that influence fluid balance.

We monitor:

daily fluid intake
thirst and dry mouth
dark urine or reduced urination
headaches or unusual fatigue
dizziness, especially when standing
persistent vomiting or diarrhoea
kidney function where clinically appropriate
diuretics, blood-pressure medicines and other relevant prescriptions

Electrolyte drinks are not automatically required for everyone taking a GLP-1 medicine. Where significant fluid loss has occurred, an appropriate oral rehydration preparation may be useful. Patients with kidney disease, heart disease, hypertension or medicines affecting sodium or potassium should seek professional advice before using electrolyte products routinely.

Adequate nourishment in a smaller volume of food

Reduced appetite is part of the intended treatment effect. However, if food intake becomes too low, appetite reduction can become under-nutrition. Patients may begin skipping meals, avoiding food because of nausea, or eating portions too small to supply sufficient:

protein
iron
vitamin B12 and folate
calcium and vitamin D
zinc
essential fatty acids
total energy

Signs such as fatigue, weakness, hair shedding, dry skin, poor recovery, feeling cold or reduced exercise capacity may point towards rapid weight loss or inadequate nutritional intake rather than being isolated cosmetic concerns.

Our nutritional planning focuses on the quality and density of the food that can be tolerated , not merely on reducing calories further. Depending on the person, this may involve smaller meals containing sufficient protein, distributing food across the day and addressing digestive symptoms that are preventing adequate eating.

Muscle preservation—and why it matters

Weight loss does not come entirely from body fat. Some lean tissue can also be lost. In the SURMOUNT-1 body-composition substudy, tirzepatide reduced both fat mass and lean mass. Approximately three-quarters of the weight lost was fat mass and one-quarter was lean mass, although the precise balance varied between participants.

Muscle is not simply about physical appearance. It contributes to:

glucose disposal and metabolic health
balance and fall prevention
mobility and independence
bone loading
recovery from illness
long-term physical resilience

For this reason, exercise should not be viewed merely as a way to burn additional calories. An adapted programme may include progressive resistance work, physiotherapy-led strengthening, walking, balance exercises and gradual increases in everyday movement. Adequate protein and energy are needed alongside exercise if the aim is to preserve or rebuild muscle.

Bone health and healthy ageing

Muscle and bone function are closely connected. Loss of muscle strength can reduce mechanical loading on the skeleton, while low protein, calcium or vitamin D intake may further compromise musculoskeletal resilience.

This is particularly important for:

postmenopausal women
older adults
people with osteopenia or osteoporosis
patients at risk of falls
anyone losing weight rapidly
people whose food intake has become very restricted

Our adapted exercise planning therefore includes weight-bearing movement, resistance work, balance and fall prevention where appropriate—not weight loss alone.

Sleep and recovery

Sleep may change during treatment, but not always in the same direction. For some patients, nausea, reflux, abdominal fullness, constipation, dehydration or insufficient food intake can disturb sleep or contribute to fatigue. Hypoglycaemia may also affect sleep when GLP-1 medicines are used alongside insulin or sulfonylureas.

For others, sleep may improve as weight decreases—particularly where obesity has contributed to obstructive sleep apnoea. In the SURMOUNT-OSA trials, tirzepatide substantially reduced sleep-apnoea severity in adults with obesity and moderate-to-severe obstructive sleep apnoea. This does not mean that existing CPAP or other treatment should be stopped without specialist review.

We ask about:

sleep duration and quality
snoring and pauses in breathing
morning headaches
daytime sleepiness
reflux or nausea disturbing sleep
caffeine, alcohol and meal timing
whether fatigue could reflect dehydration, under-eating or deficiency

Possible sleep apnoea requires appropriate medical investigation rather than being managed as ordinary tiredness.

Cardiovascular health: benefits and monitoring

Cardiovascular health is an important part of the GLP-1 story. In the SELECT cardiovascular-outcomes trial, semaglutide 2.4 mg reduced the relative risk of cardiovascular death, non-fatal heart attack or non-fatal stroke by 20% in adults with established cardiovascular disease and overweight or obesity who did not have diabetes. This benefit relates to a defined patient population and should not be assumed to apply identically to every GLP-1 medicine or every patient.

Weight loss may also improve blood pressure, glucose regulation and blood lipids. However, some patients can experience dizziness, hypotension or postural hypotension—particularly if food and fluid intake fall or existing antihypertensive treatment becomes too strong for their changing physiology. Small increases in resting heart rate have also been observed with semaglutide and tirzepatide.

We therefore consider:

blood pressure and postural symptoms
pulse and palpitations
hydration
cardiovascular history
antihypertensive and diuretic medicines
cholesterol and blood-glucose changes
the need for review by the prescribing clinician

Medicines should not be reduced or stopped without the relevant prescriber.

Blood glucose and diabetes medicines

GLP-1 and related medicines can lower blood glucose. The risk of significant hypoglycaemia is generally greater when they are combined with insulin or medicines such as sulfonylureas.

Patients using these combinations may require closer glucose monitoring and a prescriber-led adjustment of medication.

A GLP-1 medicine must not be treated as a substitute for insulin. Insulin should not be rapidly reduced or stopped without specialist medical direction, because this can result in serious loss of glycaemic control.

Oral medicines and delayed stomach emptying

Because these medicines alter gastric emptying, the rate at which some oral medicines are absorbed may change—particularly when treatment begins or the dose is increased.

European product information advises caution with medicines that depend upon rapid absorption or have a narrow therapeutic range. Tirzepatide guidance specifically recommends monitoring medicines such as warfarin and digoxin during initiation and dose escalation.

This does not mean that every oral medicine will become ineffective. It means that the person’s complete medication list should be reviewed rather than assuming that timing and absorption remain unchanged.

For oral HRT or other medicines where consistent exposure is important, concerns should be discussed with the prescriber or pharmacist. There is not currently enough evidence to claim that oral HRT absorption is routinely or significantly impaired in every patient.

Contraception and pregnancy

Pregnancy should be avoided during treatment. Current European product information advises stopping semaglutide at least two months and tirzepatide at least one month before a planned pregnancy.

Advice concerning tirzepatide and oral contraception differs between regulators. European product information states that no dose adjustment is required, while current UK guidance advises additional barrier contraception for four weeks after starting tirzepatide and for four weeks after each dose increase. Patients should follow the advice of their local prescriber, pharmacist and applicable national guidance.

Surgery and anaesthesia

Patients taking a GLP-1 or related medicine should tell the surgical and anaesthetic team before undergoing general anaesthesia or deep sedation.

Because gastric emptying may be delayed, food can remain in the stomach despite ordinary fasting. This may increase the risk of stomach contents entering the airways during a procedure. The anaesthetic team may alter fasting instructions or the anaesthetic approach. Patients should not stop their medicine independently unless instructed by the relevant clinician.

Eye health

Semaglutide requires particular awareness of eye health. Rapid improvement in glucose control can temporarily worsen diabetic retinopathy in some people with diabetes. Current European and UK safety information also identifies a very rare association between semaglutide and non-arteritic anterior ischaemic optic neuropathy, or NAION.

Sudden painless loss of vision or rapidly worsening eyesight requires urgent medical and ophthalmological assessment.

Planning beyond the active weight-loss phase

GLP-1 treatment should not be approached as a short sprint towards a target weight.

In an extension of the STEP 1 trial, participants regained around two-thirds of their previous weight loss during the year after semaglutide was withdrawn, and many cardiometabolic improvements moved back towards baseline.

This does not mean that every patient must remain on the same treatment indefinitely. It does mean that any reduction, discontinuation or maintenance plan should be discussed with the prescribing clinician and accompanied by a longer-term strategy for:

nutrition
physical activity and muscle preservation
sleep
appetite regulation
psychological support
cardiovascular and metabolic monitoring
follow-up care

How we support patients at Wildberry Clinic

Our approach brings together three connected areas.

Nutrition

We assess food tolerance, meal size, hydration, protein, micronutrients, fibre tolerance and the possible need for electrolyte replacement where fluid loss is present.

Clinical herbal medicine

Where appropriate, an individual prescription may be developed to support digestive comfort, bowel regularity, sleep or wider physiological resilience.

Clinical herbal medicine is not used as a substitute for GLP-1 treatment, emergency assessment or investigation of possible gallbladder, pancreatic or gastrointestinal disease. Each prescription

is built around a full understanding of the patient’s current medication, medical history, digestive motility and potential interactions.

Adapted physical exercise

Movement is planned to preserve muscle, maintain bone loading, improve balance and support cardiovascular and metabolic health. Exercise is adapted to the individual’s strength, symptoms and starting capacity and may be coordinated with physiotherapy where appropriate.

Monitoring and communication

We also monitor how the patient is responding as treatment progresses and encourage appropriate communication with the prescribing clinician. Our aim is not simply a lower number on the scales. It is to help the person remain strong, nourished, well hydrated and physiologically supported throughout treatment .

When urgent medical review is needed

Seek urgent medical advice for:

severe or persistent abdominal pain, especially if it travels to the back
pain in the upper-right abdomen with fever or jaundice
repeated vomiting or inability to retain fluids
signs of substantial dehydration or markedly reduced urination
severe abdominal swelling or inability to pass stool or wind
sudden loss of vision or rapidly worsening eyesight
severe weakness, fainting or suspected significant hypoglycaemia
symptoms of a serious allergic reaction

Dose changes and decisions to pause or stop treatment should be made with the prescribing clinician.

�� Key Takeaways

GLP-1 medicines can produce significant metabolic and cardiovascular benefits, but good care must extend beyond weight loss.
Digestion, bowel motility, gallbladder health, hydration, electrolytes and kidney function may all need attention.
Adequate nourishment and adapted resistance exercise are important for protecting muscle, bone and physical resilience.
Sleep may improve with weight loss but can also be disturbed by digestive symptoms, under-nutrition, dehydration or changes in blood glucose.
Medication absorption, blood pressure, glucose treatment, pregnancy planning, surgery and eye symptoms may require individual review.
Wildberry Clinic combines nutrition, clinical herbal medicine and adapted physical exercise alongside prescribed medical care.

�� A Herbalist’s Perspective

The purpose of integrative care is not to interfere with effective medical treatment. It is to ask what the rest of the body needs while that treatment produces change.

Weight loss affects far more than body size. It can alter appetite, digestion, bile flow, fluid balance, nutritional intake, muscle loading, sleep and medication requirements.

By paying attention to these changes early, we can support the patient as a whole person—not simply measure the outcome on the scales.

Educational and medical disclaimer

This article is provided for educational and informational purposes only. It does not replace medical diagnosis, treatment or consultation with a doctor, prescribing clinician, pharmacist, dietitian, physiotherapist, medical herbalist or another appropriately qualified healthcare professional.

GLP-1 and related medicines must be prescribed, monitored and adjusted by the appropriate prescribing clinician. Do not stop, delay or alter a prescribed dose or another medicine without medical advice. Clinical herbal medicines and supplements may interact with prescribed treatment and require individual assessment. Scientific evidence and medicine-safety guidance continue to evolve.

References and further reading

European Medicines Agency. Wegovy: European Public Assessment Report and Product Information, updated March 2026.
European Medicines Agency. Mounjaro: European Public Assessment Report and Product Information, updated February 2026.
Medicines and Healthcare products Regulatory Agency. GLP-1 medicines for weight loss and diabetes: what you need to know, updated February 2026.
Medicines and Healthcare products Regulatory Agency. Strengthened warnings on acute pancreatitis, January 2026.
Lincoff AM, et al. Semaglutide and cardiovascular outcomes in obesity without diabetes. New England Journal of Medicine. 2023.
Malhotra A, et al. Tirzepatide for the treatment of obstructive sleep apnoea and obesity. New England Journal of Medicine. 2024.
Look M, et al. Body-composition changes during weight reduction with tirzepatide in SURMOUNT-1. Diabetes, Obesity and Metabolism. 2025.
Wilding JPH, et al. Weight regain and cardiometabolic effects after withdrawal of semaglutide: STEP 1 trial extension. Diabetes, Obesity and Metabolism. 2022.

From Plant to Prescription: Meadowsweet

Sun, 26 Jul 2026 14:19:51 GMT

What does Meadowsweet have to do with aspirin—and indigestion?

In midsummer, Meadowsweet rises above damp meadows, riverbanks and roadside ditches in clouds of creamy-white flowers. Its fragrance is sweet, warm and slightly almond-like—so distinctive that the dried flowers were once scattered across floors to perfume homes and great halls. Meadowsweet was also used to flavour mead, placing it at the centre of domestic life, ceremony and celebration long before it entered the modern herbal dispensary.

Yet behind its delicate appearance lies an intriguing medicinal story. Meadowsweet has a long association with inflammation, fever and aching joints, while herbalists have also valued it for soothing and supporting an irritated stomach lining.

How can one plant have such apparently different uses? The answer lies in the whole plant—not in one isolated chemical.

Meet the plant

Botanical name: Filipendula ulmaria
Older botanical name: Spiraea ulmaria
Family: Rosaceae
Common names: Meadowsweet, Queen of the Meadow, Bridewort, Meadwort
Parts used: The flowering tops and flowers

Meadowsweet is a perennial member of the rose family. It is native to Ireland, Britain and much of Europe, extending eastwards across temperate Asia. It favours moist ground and is commonly found in wet meadows, marshes, ditches and beside streams. The plant usually grows to around a metre tall. Its leaves are deeply divided and toothed, often with a pale or whitish underside. During summer, the upright stems carry broad, frothy clusters of many tiny, strongly scented flowers.

In herbal medicine, it is primarily the dried flowering tops or flowers that are used. European medicinal records describe them as herbal teas, powdered preparations, liquid extracts and tinctures.

A brief history

The history of Meadowsweet extends beyond medicine. Its lasting fragrance made it a valued strewing herb : the flowers were scattered across floors to freshen rooms and halls. It was reportedly favoured by Elizabeth I for perfuming her chambers. Meadowsweet was also used during Anglo-Saxon times to flavour mead, which may help explain the old name Meadwort .

Its documented European medicinal use reaches back at least to the late sixteenth and seventeenth centuries. Over time, it was used in relation to inflammatory and rheumatic complaints, fevers, colds, urinary elimination and digestive conditions. Historical British herbal sources also described it as an antacid, astringent and stomachic, with uses that included acid dyspepsia, gastritis and peptic ulceration.

This history gives Meadowsweet an unusual position: it belongs both to the story of the European household herb and to the development of modern pharmaceutical medicine.

The connection with aspirin

Meadowsweet was previously classified botanically as Spiraea ulmaria . The name Aspirin is generally understood to combine the “A” from acetyl with “spir” from Spiraea, followed by “in,” a common ending used for medicines at the time. However, Meadowsweet is not aspirin in plant form .

Aspirin is acetylsalicylic acid: one chemically defined and manufactured compound with well-characterised pharmacological actions.Meadowsweet contains a much broader and more variable mixture, including:

salicylaldehyde and methyl salicylate
salicylate-related glycosides
flavonoids such as spiraeoside, quercetin and kaempferol derivatives
hydrolysable tannins, including rugosin and tellimagrandin compounds
aromatic constituents, organic acids and smaller quantities of other plant compounds

The quantities also vary according to the part of the plant, habitat, stage of flowering, drying and method of extraction. Studies of Meadowsweet essential oil, for example, have found salicylaldehyde and methyl salicylate to be its dominant volatile salicylates, while the flowering herb also contains substantial flavonoid and tannin fractions. This is why the medicinal plant cannot be understood by looking only at its relationship with aspirin.

Traditional herbal medicine

Supporting an irritated stomach lining

One of Meadowsweet’s most interesting traditional uses is in prescriptions intended to soothe and support the gastric lining . This is not the same as using a bitter herb to stimulate digestion. Meadowsweet has traditionally been selected where the stomach itself appears irritated—for example, in acid dyspepsia, gastritis-like presentations or ulcer-related irritation.

Its tannins provide an astringent influence on tissues, while its flavonoids and other polyphenols may contribute antioxidant and inflammatory-modulating effects. In experimental research, Meadowsweet flower preparations and isolated constituents helped preserve the integrity of the gastric mucosa in animal models of acute injury.

Colds and fever

Meadowsweet has also traditionally been used during colds, influenza-like illnesses, chills and fever. Warm infusions were used as part of the traditional approach to encouraging perspiration and supporting the body during a febrile illness. European monographs continue to recognise its long-standing use as supportive therapy for common-cold symptoms.

Muscles and joints

Its association with inflammation also led to its use for:

aching muscles
rheumatic and arthritic pain
minor painful joint conditions
stiffness and musculoskeletal discomfort

European herbal records describe the flowering tops as infusions, liquid extracts and tinctures for rheumatic muscle and joint pain. The EMA’s medicinal-plant assessment places Meadowsweet within the therapeutic areas of pain, inflammation, coughs and colds.

Phytochemistry: more than salicylates

Salicylate-related compounds

These are the compounds most closely associated with Meadowsweet’s reputation for inflammation, pain and fever. They include salicylaldehyde, methyl salicylate and related glycosides.

However, the total salicylate content of the dried herb is relatively low and much of it is present in bound forms. Meadowsweet therefore should not be treated as a dose-for-dose substitute for aspirin or other anti-inflammatory medicines.

Flavonoids

Meadowsweet contains several flavonoids, including:

spiraeoside
rutin
hyperoside
isoquercitrin
quercetin derivatives
kaempferol derivatives

A 2023 laboratory study found that digestion and transformation by gut microorganisms changed Meadowsweet’s flavonoids from glycoside forms into compounds including quercetin, kaempferol and apigenin. Both the original extract and its transformed metabolites demonstrated anti-inflammatory activity in laboratory assays, suggesting that the biological effect may arise from the combined activity of several constituents and their metabolites.

Tannins

The flowering herb contains hydrolysable tannins, including rugosin D and tellimagrandins.

Tannins interact with proteins at tissue surfaces and are traditionally associated with astringent and protective actions. In Meadowsweet, they may be particularly relevant to its use for irritated mucous membranes and the gastric lining. Experimental gastroprotective research has identified both flavonoid and tannin constituents as potential contributors.

What does modern research tell us?

Modern research broadly supports three areas of interest.

1. Inflammatory pathways

Cell and laboratory studies suggest that Meadowsweet extracts and their metabolites can influence inflammatory pathways, including cyclooxygenase activity, prostaglandin production and NF-κB signalling. The effect appears to involve the interaction of flavonoids, tannins, salicylate-related compounds and their metabolites rather than one single “active ingredient.”

2. Gastric mucosal protection

Animal research has shown that Meadowsweet preparations may help preserve gastric mucosal integrity after experimentally induced injury. Spiraeoside and the tannin tellimagrandin II were among the compounds associated with protective effects in these models.

This finding is especially interesting because aspirin and many conventional non-steroidal anti-inflammatory drugs can irritate the stomach lining.

3. The importance of the whole extract

Research increasingly suggests that Meadowsweet’s effects may depend upon additive or synergistic activity between its constituents and the compounds produced as they are metabolised by the digestive system and microbiome.

This is a central principle in herbal medicine. The action of a plant preparation cannot always be predicted from its most famous molecule.

From Plant to Prescription

Today, medical herbalists use Meadowsweet’s flowering tops in individualised prescriptions to:

soothe and support an irritated or inflamed stomach lining
provide support during colds and fevers
address inflammatory musculoskeletal pain and aching joints

The herb is commonly prepared as an infusion or tincture and is often combined with other plants selected for the individual presentation.

For gastric irritation, Meadowsweet may be prescribed alongside herbs with soothing, demulcent or tissue-supporting properties. Historical British sources record combinations with Marshmallow, Althaea officinalis, and Lemon Balm, Melissa officinalis, for gastric conditions.

In a cold or fever formula, it may be combined with other herbs traditionally used to support circulation, perspiration, the respiratory tract or immune response.

In a musculoskeletal prescription, Meadowsweet may form one part of a broader approach that considers the nature of the pain, inflammatory activity, digestive tolerance, medication use and the wider health of the person.

The aim is not to use Meadowsweet as a botanical replacement for an aspirin tablet. It is to understand:

which part of the plant is being used
how it has been prepared
which constituents are likely to be extracted
what physiological process requires support
what other herbs or treatments are appropriate
whether Meadowsweet is safe for that particular patient

That is the difference between simply knowing a plant and knowing how to prescribe it.

Safety and considerations

Meadowsweet should not be used by people with a known allergy or hypersensitivity to salicylates .

The EMA notes that direct clinical evidence concerning drug interactions is limited. Because Meadowsweet contains salicylate-related compounds, professional advice is sensible for people taking aspirin, other non-steroidal anti-inflammatory medicines, anticoagulants or antiplatelet medicines, even though the plant’s salicylate content and pharmacology differ substantially from pharmaceutical aspirin.

Use during pregnancy and breastfeeding is not recommended because adequate safety evidence is unavailable. The current European monograph also does not recommend medicinal use in children and adolescents under 18 without medical advice because of insufficient data.

Persistent stomach pain, vomiting, difficulty swallowing, unexplained weight loss, anaemia, black stools or blood in vomit require prompt medical assessment. Meadowsweet must not be used to delay the investigation or treatment of a possible gastric ulcer or other serious gastrointestinal condition.

�� Key takeaways

Meadowsweet is a fragrant European wildflower with a long history in domestic life, food and herbal medicine.
Its older name, Spiraea ulmaria, contributed to the naming of aspirin—but Meadowsweet and aspirin are chemically and clinically distinct.
Herbalists use the flowering tops to support an irritated gastric lining, colds and fever, and inflammatory muscle or joint pain.
Its activity is likely to arise from the combined influence of salicylate-related compounds, flavonoids, tannins and their metabolites.
Traditional use and preclinical research are promising, but robust human clinical trials remain limited.

�� A Herbalist’s Perspective

Meadowsweet is a good example of why medicinal plants should not be reduced to one familiar compound. Its connection with aspirin is fascinating, but it tells only part of the story. In clinical herbal practice, Meadowsweet is valued precisely because it brings several properties together: inflammatory modulation, tissue astringency, aromatic warmth and an affinity with the gastric lining.

The prescription is shaped not only by what the plant contains, but by the person receiving it, the preparation used and the wider purpose of the formula.

Educational and medical disclaimer

This article is provided for educational and informational purposes only. It does not replace medical diagnosis, treatment or consultation with a doctor, pharmacist, medical herbalist or other appropriately qualified healthcare professional. Do not stop or alter prescribed medication without consulting the prescribing clinician. Scientific knowledge and herbal-medicine evidence continue to evolve, and recommendations may change as new research becomes available.

Why Does Inflammation Sometimes Refuse To Switch Off

Thu, 23 Jul 2026 17:48:24 GMT

Understanding the science behind chronic inflammation.

Inflammation is often spoken about as something harmful that should simply be reduced. In reality, inflammation is one of the body's most sophisticated protective responses. Without it, we could not fight infection, repair damaged tissues, or recover from injury.

The problem is not inflammation itself. The problem arises when inflammation no longer follows its natural course.

Inflammation is designed to be temporary

When you cut your finger, catch a virus, or strain a muscle, your immune system responds rapidly.

Blood vessels widen.
Immune cells are recruited.
Damaged tissue is cleared away.
Chemical messengers coordinate the response.

These changes create the familiar signs of inflammation: redness, heat, swelling and pain.

However, this is only the first part of the process. Inflammation has two equally important jobs:

Protection – identifying and responding to injury or danger.
Repair – restoring tissue structure and function.

Healthy inflammation is designed to move through both stages before returning tissues to their normal state.

The forgotten phase: resolution

Many people imagine inflammation simply "switches off."

In reality, inflammation undergoes an active, highly coordinated process known as resolution .

During this phase:

inflammatory signals begin to decline
immune cells transition from a defensive to a reparative role
damaged cells and debris are cleared
specialised pro-resolving mediators help bring the inflammatory response to an orderly conclusion
tissue repair and remodelling continue

Resolution is not passive. It is an essential and highly regulated part of healing.

Why can inflammation persist?

Persistent inflammation does not necessarily mean the immune system is "overreacting."

Often, inflammation continues because the body still has a reason to maintain the response.

This may occur because:

an infection has not been fully eliminated
tissue damage continues
repeated mechanical stress is present
obesity and altered adipose tissue signalling continue to promote inflammation
insulin resistance and metabolic dysfunction sustain inflammatory pathways
chronic psychological stress alters immune regulation
autoimmune disease maintains immune activation
age-related changes impair normal inflammatory control

In other situations, the original trigger may have improved, but the body's ability to regulate and successfully resolve inflammation has become impaired. Persistent inflammation is therefore often driven by unresolved underlying problems, impaired regulation, or a combination of both.

How can persistent inflammation affect you?

Chronic inflammation does not always cause obvious pain or swelling. Instead, it may develop gradually and present through symptoms that are often overlooked or attributed to a busy lifestyle or simply getting older. Persistent inflammation may contribute to:

Fatigue – feeling persistently tired despite adequate rest.
Brain fog – difficulty concentrating, reduced mental clarity or forgetfulness.
Poor recovery – taking longer to recover after exercise, illness or injury.
Skin changes – including inflammatory skin flare-ups, slower wound healing or changes in skin health.
Stiffness – particularly on waking or after periods of inactivity, even without obvious injury.

These symptoms do not always indicate inflammation. However, when they persist or occur together, they may suggest that the body's inflammatory and repair processes are no longer functioning optimally and deserve further clinical assessment.

Health depends on successful transitions

One of the remarkable features of healthy physiology is its ability to move smoothly between different functional states. The body is constantly transitioning between:

defence and repair
activity and recovery
stress and restoration
growth and maintenance

These transitions depend upon coordinated communication between the immune system, nervous system, endocrine system, metabolism and surrounding tissues. When communication becomes disrupted, these transitions may become less efficient. Rather than progressing naturally from defence into repair, inflammatory processes may persist for longer than necessary.

Viewed in this way, chronic inflammation is often not simply "too much inflammation."

It can also represent a disruption in the body's ability to regulate, coordinate and restore healthy physiological function.

What role can medicinal plants play?

Research increasingly suggests that many medicinal plants interact with multiple biological pathways involved in inflammation, oxidative stress, immune regulation and tissue repair.

Rather than acting as simple anti-inflammatory agents, many botanical medicines appear to influence broader physiological networks involved in regulating inflammatory responses.

Because persistent inflammation can arise from many different underlying causes, effective support begins with understanding what is driving the inflammatory response in the first place.

A personalised approach considers the whole clinical picture rather than treating inflammation as an isolated problem.

A Herbalist's Perspective

At Wildberry Clinic, we view health as more than the absence of disease.

Healthy physiology depends on the body's ability to communicate, coordinate, adapt and successfully transition between different functional states.

Inflammation is one example of this remarkable process.

Rather than asking only:

"How do we reduce inflammation?"

we also ask:

What is continuing to drive it?
Has the body successfully transitioned from defence to repair?
What conditions are preventing normal resolution?

These questions often provide a deeper understanding of health and help guide a more personalised, evidence-informed approach to care.

�� Key Takeaways

Inflammation is a normal and essential part of healing.
Healthy inflammation progresses through protection, repair and resolution .
Chronic inflammation may develop because underlying drivers remain unresolved, because normal regulatory processes become disrupted, or because of both.
Persistent inflammation does not always present with pain. It may contribute to fatigue, brain fog, poor recovery, skin changes and stiffness.
Understanding why inflammation persists is often more important than simply trying to suppress it.
Effective care aims to identify and address the factors that continue to drive inflammation.

�� Coming Next Week

From Defence to Repair: How Does Inflammation Actually Resolve?

If inflammation is designed to protect and repair, what tells the immune system that the job is done?

Next week, in Research in Focus , we'll explore the fascinating science of inflammation resolution, the specialised molecules involved, and why this process is just as important as the inflammatory response itself.

Educational Disclaimer

This article is intended for educational and informational purposes only. It does not constitute medical advice and should not be used as a substitute for assessment, diagnosis, or treatment by a qualified healthcare professional. Persistent or unexplained symptoms should always be discussed with your GP or appropriate healthcare provider. Scientific understanding continues to evolve, and recommendations may change as new evidence emerges.

Can a Banana Reduce the Benefits of Your Berry Smoothie? What the Research Says

Thu, 23 Jul 2026 09:01:59 GMT

Exploring how food combinations may influence flavanol absorption and what this new research means for everyday nutrition.

Research in Focus

Can Adding a Banana to Your Berry Smoothie Reduce Its Nutritional Benefits?

Published: July 2026

Smoothies are one of the simplest ways to increase our intake of fruit, and a combination of berries and banana has become a popular breakfast choice. But could the ingredients in a smoothie interact in ways that influence the nutrients our bodies absorb?

A recent study from researchers at the University of California, Davis suggests they might.

The findings highlight an important concept in nutritional science: food is not simply a collection of individual nutrients. The way foods are prepared and combined can influence how those nutrients behave within the body.

The Research

Researchers investigated whether adding banana to a berry smoothie affected the absorption of flavanols —naturally occurring plant compounds associated with cardiovascular and cognitive health.

The study was published in the peer-reviewed journal Food & Function .

Participants consumed:

a mixed berry smoothie
a banana-based smoothie
a flavanol capsule (used as a control)

Blood and urine samples were then analysed to determine how much of the flavanols became available for absorption.

What Are Flavanols?

Flavanols belong to a group of plant compounds known as polyphenols .

They are naturally present in foods including:

blueberries
blackberries
grapes
apples
pears
cocoa
tea

Over the past two decades, flavanols have been extensively studied for their potential role in supporting:

endothelial function
healthy blood flow
cardiovascular health
healthy blood pressure
cognitive function
healthy ageing

Although research continues, dietary guidelines from the Academy of Nutrition and Dietetics suggest that consuming flavanol-rich foods may contribute to cardiometabolic health.

The Surprising Finding

The researchers observed that when banana was included in the smoothie, the measured availability of flavanols was substantially reduced compared with the control.

Why?

The answer appears to lie in an enzyme called polyphenol oxidase (PPO).

Understanding Polyphenol Oxidase

Polyphenol oxidase is a naturally occurring enzyme found in many fruits and vegetables.

It is responsible for the familiar browning that occurs when fruits such as bananas or apples are cut and exposed to air.

Researchers believe that this enzyme can also react with flavanols, altering their chemical structure and reducing the amount that remains available for absorption.

Interestingly, the reduction in flavanol availability was observed even when flavanols and banana were consumed together but prevented from mixing before ingestion. This suggests that PPO activity may continue after consumption, possibly within the stomach.

Does This Mean Bananas Are Unhealthy?

Absolutely not.

Bananas remain an excellent source of:

potassium
vitamin B6
dietary fibre
carbohydrates that provide readily available energy

They continue to be an important component of a balanced diet.

Rather than suggesting bananas should be avoided, this research simply indicates that if your specific goal is to maximise flavanol intake from berries, grapes or cocoa, bananas may not be the ideal ingredient to combine with them.

Practical Implications

If your smoothie is intended to increase flavanol intake, researchers suggest pairing berries with ingredients that have relatively low polyphenol oxidase activity, such as:

mango
pineapple
oranges
natural yoghurt

Bananas can still be enjoyed separately or included in smoothies where flavanol preservation is not the primary objective.

Looking Beyond Smoothies

Perhaps the most interesting aspect of this research extends beyond bananas and berries.

It reminds us that nutrition is dynamic .

Foods do not simply contribute individual nutrients independently. They interact with one another through complex chemical and biological processes that may influence digestion, absorption and metabolism.

As nutritional science evolves, researchers are increasingly recognising that these interactions can be just as important as the nutrients themselves.

For clinicians, nutritionists and herbal practitioners alike, this reinforces the importance of considering the whole dietary pattern rather than isolated foods or individual nutrients.

How Strong Is the Evidence?

This study was carefully designed as a controlled crossover trial, allowing each participant to act as their own control.

However, several important limitations should be recognised.

The study involved a relatively small number of healthy volunteers, meaning larger studies will be needed to confirm these findings across broader populations.

In addition, the research focused specifically on flavanol bioavailability rather than long-term clinical outcomes such as cardiovascular disease or cognitive performance.

Consequently, these findings should be interpreted as an important contribution to our understanding of food interactions rather than a reason to avoid bananas.

A Herbalist's Perspective

Medicinal plants have always been used as complex mixtures of hundreds of naturally occurring compounds rather than isolated chemicals.

Modern nutrition is beginning to reveal a similar principle.

Health depends not only on what we consume, but also on how different foods interact within the body's intricate biological systems .

This study provides a fascinating reminder that nutrition is more than the sum of its individual ingredients. Understanding these interactions may help us make more informed choices about the foods we eat while appreciating the remarkable complexity of human physiology.

Key Takeaways

Bananas remain a highly nutritious food.
Bananas naturally contain high levels of polyphenol oxidase (PPO).
PPO may reduce the bioavailability of flavanols when combined with berries.
If your goal is to maximise flavanol intake, consider pairing berries with lower-PPO ingredients such as mango, pineapple, oranges or yoghurt.
The study was well designed but relatively small, and further research is needed.
Food combinations may influence nutrient absorption, reminding us that nutrition is about interactions as well as ingredients.

References

Ottaviani JI, Ensunsa JL, Fong RY, Kimball J, Medici V, Kuhnle GGC, Crozier A, Schroeter H, Kwik-Uribe C. Impact of polyphenol oxidase on the bioavailability of flavan-3-ols in fruit smoothies: a controlled, single-blinded, cross-over study. Food & Function. 2023;14(18):8217–8228. https://doi.org/10.1039/D3FO01599H

University of California, Davis. Surprising research reveals why you shouldn't add bananas to your smoothies. ScienceDaily. 24 May 2026.

Important Information

This article is provided for educational and informational purposes only and is intended to support a better understanding of current scientific research. It should not be interpreted as medical advice, nor should it replace an individual consultation with a qualified healthcare professional.

Nutritional needs and health conditions vary from person to person. Decisions regarding diet, supplements, medications or medical treatment should always be made in consultation with your GP, specialist or other appropriately qualified healthcare practitioner.

The research discussed represents the findings of a single scientific study and should be considered within the context of the wider body of evidence. Scientific understanding continues to evolve, and future research may expand or refine these findings.

Plant Spotlight : Roman Chamomile (Chamaemelum nobile (L.) All.)

Mon, 20 Jul 2026 09:11:17 GMT

"A gentle herb with a remarkable ability to soothe both body and mind."

Roman chamomile has been treasured in European herbal medicine for centuries. Best known for its calming effects, this fragrant member of the daisy family is far more than a bedtime tea. Traditionally valued for digestive discomfort, nervous tension, skin irritation and inflammation, it remains one of the most versatile herbs in the herbalist's dispensary.

Meet the Plant

Roman chamomile (Chamaemelum nobile) is a low-growing aromatic perennial belonging to the Asteraceae (daisy) family. It grows to approximately 20–50 cm in height, producing finely divided, feathery leaves and distinctive white daisy-like flowers with bright yellow centres.

When gently crushed, the foliage releases a delicate apple-like fragrance, which inspired its ancient Greek name Chamaemelum, meaning "ground apple" (chamai = on the ground, mēlon = apple).

Parts used:

· Flower heads

· Leaves (less commonly)

A Brief History

Despite its common name, Roman chamomile did not originate in Rome. Historical records suggest that it was cultivated in Britain long before the sixteenth century. The name "Roman chamomile" was introduced in 1598 after the botanist Joachim Camerarius encountered the plant growing abundantly near Rome.

The species name nobile , meaning "noble", reflected the high regard in which herbalists held the plant and its medicinal qualities.

Throughout the Middle Ages, Roman chamomile became a familiar herb in monastery physic gardens, where it was prescribed for digestive complaints, headaches, fevers and "melancholy of the spirits."

During the Elizabethan and Victorian periods, Roman chamomile was also cultivated as fragrant lawns and garden pathways. Walking across the plants released their sweet apple scent into the air—a tradition that still survives in some historic English gardens.

Traditional Herbal Uses

Roman chamomile has long been regarded as one of the gentlest medicinal herbs and is suitable for people of all ages, including children when appropriately prepared.

Traditionally it has been used to support:

The Nervous System

· Mild anxiety

· Restlessness

· Difficulty sleeping

· Nervous tension

· Irritability

Rather than producing heavy sedation, Roman chamomile encourages relaxation while allowing normal mental function.

Digestive Health

Roman chamomile combines several complementary actions:

· Aromatic

· Bitter

· Carminative

· Antispasmodic

· Anti-inflammatory

Together these actions may help to:

· Ease flatulence

· Relieve dyspeptic discomfort

· Reduce intestinal cramping

· Support healthy digestion

· Encourage digestive secretions

· Calm stress-related digestive upset

· Soothe gastritis and gastric irritation

Its slightly more pronounced bitter action distinguishes it from German chamomile, making it particularly valuable where sluggish digestion accompanies gastrointestinal discomfort.

External Uses

Roman chamomile has traditionally been used externally as:

· A mouthwash for inflamed gums and mouth ulcers

· A gargle for sore throats

· A steam inhalation for nasal catarrh

· A soothing eye wash for tired or mildly irritated eyes (prepared hygienically)

· A compress for minor wounds and inflamed skin

Its gentle anti-inflammatory and vulnerary properties have made it a favourite household remedy for centuries

Phytochemistry

Roman chamomile contains a diverse range of naturally occurring constituents that work together to produce its characteristic actions. These include:

· Volatile oils (0.5–1.75%)

· Angelic acid esters

· Tiglic acid esters

· Sesquiterpene lactones

· Chamazulene (formed during steam distillation from matricin)

· Flavonoids (including apigenin and luteolin derivatives)

· Coumarins

· Phenolic acids

· Small amounts of mucilage

Rather than relying on a single "active ingredient", Roman chamomile demonstrates the complexity of medicinal plants, where numerous constituents contribute to a broad spectrum of physiological activity.

What Modern Science Suggests

Modern pharmacological research supports many of Roman chamomile's traditional uses. Experimental and clinical studies suggest that extracts of Roman chamomile may:

· Modulate inflammatory signalling pathways.

· Relax gastrointestinal smooth muscle, helping to relieve spasms and cramping.

· Provide mild anxiolytic and calming effects through interactions with neurotransmitter systems.

· Support tissue repair and wound healing.

· Exhibit antimicrobial activity against selected microorganisms.

· Help protect the gastric mucosa.

While further high-quality clinical studies are needed in some areas, the available evidence aligns well with its long history of traditional use.

From the Wildberry Apothecary

�� Roman Chamomile Tea

Ingredients

· 2–3 teaspoons dried Roman chamomile flowers (or 1 generous tablespoon fresh flowers)

· 250 ml freshly boiled water

Method

1. Place the flowers into a teapot or cup.

2. Pour over freshly boiled water.

3. Cover and infuse for 8–10 minutes.

4. Strain before drinking.

Traditionally enjoyed after meals to support digestion or in the evening as a gentle relaxing infusion.

�� Roman Chamomile Infused Oil

Ingredients

· Dried Roman chamomile flowers

· Cold-pressed sweet almond oil or jojoba oil

Method

1. Fill a sterilised glass jar halfway with dried flowers.

2. Cover completely with oil.

3. Stir gently to remove any trapped air.

4. Seal and leave in a warm place for 3–4 weeks, shaking gently every day.

5. Strain through muslin into a clean dark bottle.

Traditionally used as a soothing massage oil or as the base for creams, balms and salves.

�� Roman Chamomile Healing Balm

Ingredients

· 50 ml Roman chamomile infused oil

· 50 ml calendula infused oil

· 15 g beeswax

· 5 drops Vitamin E oil

Optional:

· 5–10 drops Roman chamomile essential oil

Method

1. Gently melt the beeswax together with both infused oils using a bain-marie.

2. Remove from the heat.

3. Stir in the Vitamin E (and essential oil if using).

4. Pour into sterilised tins or jars.

5. Allow to cool completely before sealing.

Traditionally applied to dry, irritated or sensitive skin as required.

�� Did You Know?

Roman chamomile was once planted as entire fragrant lawns in English gardens. As people walked across the plants, the foliage released its sweet apple aroma into the air—turning an ordinary garden path into a naturally scented experience.

References

Chevallier A. Encyclopedia of Herbal Medicine. DK Publishing.

Hoffmann D. Medical Herbalism: The Science and Practice of Herbal Medicine. Healing Arts Press.

Barnes J, Anderson LA, Phillipson JD. Herbal Medicines. Pharmaceutical Press.

European Medicines Agency (EMA). Assessment Report on Chamaemelum nobile (L.) All., flos.

British Herbal Pharmacopoeia. British Herbal Medicine Association.

Royal Horticultural Society. Chamomile: Growing and History.

Disclaimer

The information provided in this article is intended solely for educational purposes and should not be interpreted as medical advice, diagnosis or treatment. Herbal medicines may not be suitable for everyone and may interact with prescribed medications or underlying medical conditions.

Always consult a suitably qualified healthcare professional or registered medical herbalist before using herbal medicines, particularly during pregnancy, breastfeeding, when treating children, or if you have an existing medical condition.

Although every effort has been made to ensure the accuracy of the information presented, Wildberry Clinic accepts no responsibility for any loss, injury or damage arising from the use or misuse of the information contained in this article.

The 30 Seconds Herbalist: Why Does Stress Affect Your Stomach?

Fri, 17 Jul 2026 10:20:23 GMT

Understanding the Gut–Brain Conversation

"Stress doesn't simply affect your mind. It changes the conversation taking place throughout your body."

Most of us have experienced it. An important meeting, an examination, difficult news or a period of prolonged pressure can leave us with butterflies, nausea, abdominal discomfort or changes in our digestion. These symptoms are often dismissed as "just stress."

In reality, they are evidence of something far more remarkable. They are the result of an ongoing conversation between your brain and your digestive system. Understanding that conversation is one of the reasons modern physiology has become so fascinating.

Your Gut and Brain Are Constantly Talking

Your digestive system isn't simply a tube that processes food. It contains its own extensive network of nerves—often called the enteric nervous system —which communicates continuously with the brain. This communication happens through several interconnected pathways, including:

the vagus nerve
the autonomic nervous system
hormones
immune signals
metabolites produced by your gut microbiome

Rather than working independently, these systems continually exchange information, allowing your body to adapt to changing circumstances.

What Happens During Stress?

When the brain perceives a challenge, it rapidly shifts the body's priorities. Resources are redirected towards responding to the situation. During this time, digestion may temporarily become less of a priority. As a result, stress can influence:

stomach acid production
gut motility
digestive enzyme secretion
intestinal permeability
sensitivity to pain
inflammatory signalling

For many people, these changes settle once the stressful event has passed. However, persistent stress can keep these communication pathways activated for much longer, contributing to ongoing digestive symptoms.

It's Not Just Your Stomach

One of the most important lessons from modern physiology is that organs rarely work in isolation.

The stomach communicates with the brain.
The immune system communicates with the gut.
Hormones influence both.
The microbiome participates in the conversation.

Rather than isolated organs, we should think of the body as a network of communicating systems working together to maintain balance and adapt to change.

A Different Way of Thinking About Health

At Wildberry Clinic, we believe that understanding physiology is the foundation of good healthcare. Rather than asking only:

"Which symptom should we treat?"

we also ask:

"What conversations within the body may have changed?"

Sometimes the most meaningful improvements come not from forcing a system to behave differently, but from supporting the body's own capacity to communicate, coordinate and adapt.

This systems-based way of thinking is increasingly reflected in modern physiology and forms an important part of how we understand health.

�� Key Takeaways

The brain and digestive system communicate continuously through multiple interconnected pathways.
Stress changes this communication, which can influence digestion, gut sensitivity and inflammatory signalling.
Digestive symptoms are often part of a wider physiological response rather than an isolated stomach problem.
Understanding how body systems communicate provides a broader perspective on health.

�� A Herbalist's Perspective

Herbal medicine has traditionally focused on supporting the individual rather than simply targeting a single symptom. Today, advances in physiology and systems biology help us understand why this approach can be valuable. Different plants contain multiple bioactive compounds that interact with several physiological pathways, making them well suited to supporting complex biological networks when used appropriately alongside sound clinical assessment.

At Wildberry Clinic, our starting point is always the same: understand the physiology first, then choose the most appropriate intervention for the individual.

�� Coming Next Week

Why does inflammation sometimes refuse to switch off?

🌿 Plant Spotlight: Fireweed (Epilobium angustifolium)

Thu, 16 Jul 2026 14:13:18 GMT

More Than a Wildflower

Every summer, roadsides, woodland clearings and open meadows are transformed by the striking magenta flowers of Fireweed (Epilobium angustifolium) . To many, it is simply another beautiful wildflower. To herbalists, however, it is one of nature's most remarkable medicinal plants.

Fireweed is often among the first plants to colonise land after disturbance, including areas affected by forest fires—hence its common name. This remarkable resilience has long fascinated botanists and herbalists alike. It reminds us that nature has an extraordinary ability not only to survive change but to regenerate after it. That same theme of resilience has made Fireweed an important herb in traditional herbal medicine for generations.

Traditional Uses

Across Europe, North America and parts of Asia, Fireweed has traditionally been used to support:

Digestive comfort
Urinary tract health
Prostate health
Minor skin irritations
Recovery after illness
General wellbeing

Its young shoots were also eaten as a seasonal vegetable in many cultures, while its leaves were prepared as herbal infusions.

What Does Modern Science Tell Us?

Modern research has identified numerous naturally occurring compounds within Fireweed, including:

Polyphenols
Flavonoids
Ellagitannins (particularly oenothein B)
Phenolic acids

These compounds have attracted scientific interest because of their biological activities.

Research is currently investigating Fireweed for its potential:

antioxidant activity,
influence on inflammatory pathways,
support of urinary and prostate health,
antimicrobial properties,
effects on tissue protection and repair.

While many of these findings come from laboratory and preclinical studies, they provide valuable insight into why this plant has been appreciated in traditional herbal medicine for centuries.

Fireweed and Chronic Inflammation

One of the reasons Fireweed continues to attract scientific interest is its rich content of polyphenolic compounds.

Rather than thinking of inflammation as something that is simply "good" or "bad", it is more helpful to recognise it as one of the body's essential protective responses. Problems arise when inflammatory processes become prolonged or fail to resolve appropriately.

Researchers are exploring how compounds within Fireweed may influence these complex inflammatory pathways. This remains an active area of investigation, and further human studies are needed to understand its clinical significance.

More Than Individual Molecules

One of the most fascinating aspects of medicinal plants is that they rarely contain just one active constituent. Fireweed contains hundreds of naturally occurring compounds that exist together within the plant.

Rather than acting through a single isolated molecule, herbal medicine traditionally considers the plant as a complex biological system whose constituents may work together in ways that are still being explored by modern science. This systems perspective is one of the reasons medicinal plants continue to inspire scientific research.

A Herbalist's Perspective

At Wildberry Clinic, we don't choose herbs simply because they have been traditionally used or because one laboratory study appears promising. We begin by understanding the person.

Every herb has strengths, limitations and appropriate clinical uses. The role of a medical herbalist is to understand physiology, pathology, current medications and the individual's health before deciding whether a particular herb is appropriate. Knowledge matters just as much as the herb itself.

�� Key Takeaways

Fireweed (Epilobium angustifolium) has a long history of traditional use in herbal medicine.
Modern research is investigating its antioxidant and anti-inflammatory properties, as well as its potential role in urinary and prostate health.
Fireweed contains a complex mixture of naturally occurring compounds rather than a single "active ingredient."
Herbs should always be considered within the context of the individual and used appropriately.

�� Coming Next Week

Understanding Health: Why inflammation doesn't always hurt—and why that's important.

Naturally Refreshing - Agua de Jamaica

Sat, 11 Jul 2026 10:42:51 GMT

Cool down with this vibrant Agua de Jamaica—a refreshing blend of sweet, tart, and naturally delicious flavors. ✨

Agua de Jamaica (Iced Hibiscus Tea)

Ingredients

1,440 ml water
40 g dried hibiscus petals (approximately 2 cups)
1 cinnamon stick
300 mg ground cloves (1 pinch)
300 mg ground nutmeg (1 pinch)
300 mg ground allspice (1 pinch)
110 g brown sugar cone
300 g white sugar (approximately 1½ cups)
Cold water , to top up the pitcher (about 1–1.5 litres , or to taste)

Method

Bring 1,440 ml of water to a boil in a large saucepan.
Add the dried hibiscus petals, cinnamon stick, ground cloves, nutmeg, and allspice.
Reduce the heat to medium-low and simmer gently for 30–45 minutes , until the liquid becomes a rich, deep ruby red.
Add brown sugar and stir until completely dissolved.
Remove from the heat and allow the mixture to cool for 15 minutes .
Strain the liquid into a large pitcher, discarding the hibiscus petals and spices.
Stir in the 300 g white sugar until fully dissolved.
Add cold water to dilute the concentrate to your preferred strength
Chill well before serving. For the best flavour, refrigerate overnight.
Serve over ice and garnish with fresh lime slices and mint, if desired.

Tips

For a lighter, less sweet drink, reduce the white sugar to 150–200 g .
Store refrigerated for up to 5 days .
This recipe makes approximately 2.5–3 litres of Agua de Jamaica, depending on how much cold water is added. ��

_____________________________________________

Health Benefits of Agua de Jamaica (Hibiscus Tea)

Hibiscus tea is naturally rich in plant compounds that may support overall wellness. Here are some of its potential health benefits:

�� Rich in Antioxidants

Packed with anthocyanins and polyphenols that help protect cells from oxidative stress caused by free radicals.

❤️ May Support Heart Health

Some studies suggest hibiscus may help support healthy blood pressure and cholesterol levels when consumed as part of a balanced lifestyle.

�� Promotes Hydration

Served chilled, Agua de Jamaica is a refreshing way to stay hydrated, especially during warmer months.

�� May Help Support Healthy Blood Pressure

Research indicates that regular hibiscus tea consumption may help maintain healthy blood pressure in some adults. It should not replace prescribed medication.

�� Supports Digestive Health

Traditionally used to promote healthy digestion and may have a mild natural diuretic effect.

��️ Contains Vitamin C

Hibiscus naturally contains vitamin C, which contributes to normal immune system function and supports collagen production.

⚖️ May Support Healthy Weight Management

Unsweetened hibiscus tea is naturally low in calories and some research suggests it may help support healthy metabolism when combined with a balanced diet and regular exercise.

�� Naturally Caffeine-Free

A great alternative to caffeinated drinks, making it suitable for enjoying throughout the day or in the evening.

____________________________________________________________________

Wildberry Living Tip

To maximize the health benefits, reduce the amount of added sugar or use a natural sweetener to taste. The vibrant tart flavor of hibiscus shines through even with less sweetness.

Please note: While hibiscus tea has been associated with several health benefits, it is not intended to diagnose, treat, cure, or prevent any disease. If you have low blood pressure, are pregnant, or take blood pressure or diabetes medications, consult your healthcare provider before consuming hibiscus tea regularly.

Beyond Hormones: Rethinking Menopause as a Whole-Body Systems Transition

Fri, 10 Jul 2026 19:22:54 GMT

For decades, menopause has largely been viewed through the lens of estrogen deficiency. While declining ovarian hormones are central to the menopausal transition, they are only part of a much larger physiological story.

The ovary is far more than an estrogen- and progesterone-producing organ. Throughout a woman's reproductive life, it helps regulate a web of interconnected systems that shape the health of the entire body. As ovarian activity declines, those systems adapt in ways that reach well beyond reproduction.

This may explain why menopause brings so much more than hot flushes. Changes in connective tissue, muscle, cognition, sleep, metabolism, skin, vascular function, immunity and energy production are all common features of this life stage. Perhaps it's time to view menopause differently — not simply as hormonal deficiency, but as a reorganisation of biological networks.

The Ovary as a Systems Regulator

Ovarian hormones influence nearly every tissue in the body, with effects extending to:

Connective tissue and collagen turnover
Bone remodelling
Muscle maintenance
Brain function and neuroplasticity
Vascular elasticity
Mitochondrial function
Immune regulation
Liver metabolism
Autonomic nervous system balance
Skin and mucosal integrity

As these signals fade, the body begins to reorganise itself — a gradual systems transition, not a sudden or single-organ event.

Looking Beyond Estrogen

Hormone replacement therapy (HRT) remains one of the most effective treatments for vasomotor symptoms, and offers important benefits for bone health and genitourinary symptoms in appropriately selected women. It addresses a fundamental aspect of menopause: replacing hormones the ovaries no longer produce.

But hormones are only one part of a much wider picture. Healthy ageing during and after menopause also depends on the resilience of multiple tissues and systems — connective tissue, the vasculature, the brain, skeletal muscle, immune function and cellular metabolism among them.

Rather than treating botanical medicine as a replacement for HRT, it may be more useful to ask how carefully selected botanicals could support these broader physiological processes alongside conventional care, where appropriate.

A Systems Biology Approach to Botanical Medicine

Traditional herbal medicine has long held that health emerges from the interaction of many systems, not from isolated organs. Modern systems biology is arriving at a strikingly similar conclusion. Instead of asking:

" Which herb treats hot flushes?"

we might ask:

"Which biological systems become vulnerable once ovarian function declines?"

That shift opens the door to botanical strategies that support several physiological domains at once, including:

Endocrine adaptation — supporting the body's response to shifting hormonal signals, rather than attempting to replicate ovarian hormone production.

Connective tissue and extracellular matrix — maintaining collagen turnover, fascia, tendons, ligaments, skin and vascular integrity, all of which change significantly after menopause.

Neuroplasticity — supporting cognitive function, learning, mood and neural adaptability through a period of major neuroendocrine change.

Mitochondrial function — helping cells sustain efficient energy production and resilience against oxidative and metabolic stress.

Vascular health — supporting endothelial function and healthy circulation as cardiovascular risk gradually shifts after menopause.

Immune homeostasis — addressing the low-grade inflammation common with ageing while supporting balanced immune regulation.

Liver health and function — supporting metabolic function, lipid handling and the body's own hormone metabolism.

Sleep and recovery — recognising restorative sleep as one of the body's most powerful mechanisms for repair and adaptation.

Building Physiological Resilience

The goal here isn't to "replace estrogen naturally." It's to support the tissues that have relied on ovarian signalling throughout life, and help them stay adaptable as the endocrine landscape changes — a shift from hormone replacement toward tissue resilience.

More Than Herbs Alone

A comprehensive menopause strategy extends beyond botanical medicine. Nutrition, resistance exercise, sleep, stress management and targeted supplementation all contribute to healthy ageing.

Mechanical loading through regular exercise remains essential for preserving bone, muscle and connective tissue — no herb can substitute for the biological signals generated by movement.

Likewise, adequate dietary protein, healthy fats, micronutrients and good sleep hygiene are the foundation any botanical programme should be built on.

The Future of Menopause Care

The future of menopause medicine may lie not in choosing between conventional and herbal medicine, but in integrating the strengths of both. Hormone therapy addresses one essential aspect of menopause by replacing hormones. Botanical medicine may offer a complementary path — supporting tissue resilience, vascular function, cognition, connective tissue, immune balance and metabolic adaptation.

These approaches need not compete. They can address different aspects of the same remarkable biological transition.

Ultimately, menopause is not simply the end of reproductive function — it is a profound physiological transformation. Understanding it as a whole-body systems transition may help us build more comprehensive, personalised and compassionate approaches to supporting women through the second half of life.

Could Hidden Inflammation Be Affecting Your Health?

Tue, 30 Jun 2026 10:07:00 GMT

The Invisible Fire: Understanding the Hidden Inflammation Behind Modern Chronic Disease

Most people imagine inflammation as something obvious. A swollen ankle after a sprain. A sore throat. A fever. Redness, heat, pain. Your body raises the alarm, deals with the problem, and then everything settles back down. But what if the alarm never quite switched off? Not loudly enough to send you to bed. Not dramatically enough to show up on routine blood tests. Just quietly humming in the background, day after day.

You wake up feeling less refreshed than you used to. Your joints feel a little stiff. Your digestion seems unpredictable. Your skin has lost some of its glow. Your energy isn't what it was five years ago, yet every medical check-up ends with the reassuring phrase:

"Everything looks normal."

For many people, these subtle changes are simply accepted as part of getting older. But sometimes there is another story unfolding beneath the surface.

The Body's Hidden Conversation

Inflammation isn't the enemy. In fact, without it we couldn't survive. If you cut your finger while cooking dinner, your immune system immediately gets to work. Blood vessels widen, immune cells rush to the scene, bacteria are destroyed, damaged tissue is cleared away, and healing begins. This is inflammation doing exactly what it was designed to do.

The trouble begins when the immune system forgets that the emergency is over. Instead of responding to a short-term threat, it remains quietly activated for months—or even years. Scientists call this low-grade chronic inflammation . Unlike an infection or injury, it rarely causes dramatic symptoms. There is no obvious pain or fever. Instead, the body continues producing small amounts of inflammatory messenger molecules called cytokines, creating a subtle but persistent state of immune activation.

Imagine a campfire.

A healthy inflammatory response is a fire that warms you, cooks your meal, and then burns itself out. Chronic inflammation is the fire that's left smouldering all night. You may not notice the smoke at first, but eventually it begins to affect everything around it.

Modern Life Keeps Adding Fuel

Our bodies evolved to handle occasional challenges—not a constant stream of them. Yet modern life gives our immune system plenty to think about.

Ultra-processed foods that are high in refined sugars and unhealthy fats.
Late nights followed by early mornings.
Long hours sitting at desks.
Chronic stress that never fully resolves.
Environmental pollution.
Smoking.
Carrying excess weight, particularly around the abdomen.

Even the natural ageing process changes the way our immune system regulates inflammation. Researchers have coined the term "inflammaging" to describe the gradual increase in low-grade inflammation that often accompanies growing older.

None of these factors alone necessarily causes disease. But together, over many years, they may gently nudge the body towards an inflammatory state that becomes increasingly difficult to switch off.

Why Researchers Are Paying Attention

Low-grade inflammation has become one of the most actively studied topics in modern medicine. Rather than causing a single illness, it appears to create conditions that make many chronic diseases more likely to develop. Researchers are exploring its role in cardiovascular disease, insulin resistance and type 2 diabetes, cognitive decline, osteoporosis, age-related muscle loss, autoimmune disorders, and even some cancers. This doesn't mean inflammation is the sole cause of these conditions.

Human health is far more complex than that. But inflammation increasingly appears to be one of the common threads connecting many seemingly unrelated diseases.

Sometimes the Clues Are Surprisingly Ordinary

People experiencing low-grade inflammation often don't feel acutely unwell. Instead, they describe a collection of vague symptoms that are difficult to explain:

"I feel tired all the time."
"I just don't bounce back like I used to."
"My digestion has become sensitive."
"My body feels older than my age."

These symptoms can have many different causes, and chronic inflammation is only one possibility. That's why good healthcare is about looking at the whole picture—not chasing a single laboratory result.

Looking Beyond the Numbers

Certain blood tests, such as high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), fibrinogen, and ESR, may offer clues about inflammatory activity. At the same time, laboratory tests tell only part of the story. A person's diet, stress levels, sleep quality, digestive health, physical activity, medications, medical history, and emotional wellbeing all influence how the immune system behaves.

At our clinic, we believe these pieces deserve to be considered together. Rather than asking, "What symptom should we treat?" we begin with a different question: Why might the body be struggling to find balance?

Supporting the Body's Natural Balance

There is no magic herb, miracle supplement, or single anti-inflammatory food. Health is built through the small choices we repeat every day. The encouraging news is that many of the same habits that support overall wellbeing also help regulate healthy inflammatory responses:

Eating a colourful Mediterranean-style diet rich in vegetables, legumes, whole grains, olive oil, nuts, seeds, and oily fish.
Moving your body regularly—even a daily walk can make a meaningful difference.
Prioritising restorative sleep.
Learning healthier ways to manage chronic stress.
Maintaining a healthy body weight.
Avoiding smoking.

These are no quick fixes but are long-term investments in the health of your immune system.

Where Herbal Medicine Fits In

Plants have evolved remarkable chemical compounds to protect themselves from environmental stress, and many of these compounds continue to fascinate researchers today. Herbs such as turmeric, ginger, boswellia, rosemary, green tea, and others have been studied for their potential to support healthy inflammatory pathways.

In herbal medicine, however, herbs are never chosen simply because they are "anti-inflammatory."

They are selected because they match the individual.

Two people with similar symptoms may receive entirely different herbal prescriptions because their underlying patterns of health are different.

That personalised approach remains at the heart of integrative herbal medicine.

Health Is More Than the Absence of Disease

One of the limitations of modern healthcare is that it often begins only after disease has become obvious.

Integrative medicine asks an earlier question.

What if we paid attention while the body was still whispering?

Long before chronic disease develops, the body often sends subtle signals that something needs attention. Listening to those signals doesn't mean assuming the worst—it means recognising an opportunity to support health before imbalance becomes illness.

A Different Way of Looking at Wellbeing

If you've been living with persistent fatigue, sluggishness, digestive discomfort, or a general sense that something isn't quite right—even though you've been told everything is "normal"—your experience deserves to be explored thoughtfully.

There may not be one simple answer.

But there is value in taking a broader view.

At our Integrative Herbal Medicine Clinic, we combine evidence-informed herbal medicine with nutrition, lifestyle medicine, and a whole-person approach to help uncover the factors that may be influencing your health.

Sometimes the most important question isn't, "What's wrong with me?"

It's "What is my body trying to tell me?"

Beyond Painkillers: An Integrative Approach to Chronic Pain

Fri, 26 Jun 2026 08:17:44 GMT

Persistent pain doesn't always mean persistent damage. Understanding how the nervous system processes pain could be the key to lasting relief.

Chronic pain linked to central nervous system (CNS) dysfunction is often less about ongoing tissue injury and more about how the brain and spinal cord process pain signals. In conditions such as Fibromyalgia and other forms of centrally mediated or Neuropathic pain, the nervous system can become overly sensitive. This is commonly described as central sensitization, where normal sensory input is amplified and interpreted as pain, even in the absence of clear ongoing damage.

From the perspective of Pain Medicine and Neuroscience, this reflects a shift in pain regulation within the central nervous system. The balance between excitatory and inhibitory pathways becomes disrupted, leading to an increased “gain” on pain signaling. This can result in widespread pain, fatigue, poor sleep, cognitive difficulties, and increased sensitivity to stress and sensory input.

Because chronic pain is driven by multiple interacting systems—including nervous system sensitization, stress physiology, sleep disruption, and neuroimmune signaling—management often benefits from a multi-modal, evidence-based approach.

Herbal medicine can be a supportive adjunct in this context when used in an evidence-informed way. Some botanicals have been studied for their effects on pain pathways, inflammation, sleep, and stress regulation. For example, curcumin (from turmeric) and ginger have demonstrated anti-inflammatory and analgesic properties in certain chronic pain conditions. Topical capsaicin has good evidence for reducing peripheral nociceptive input by desensitizing TRPV1 receptors, which can indirectly reduce central pain amplification. Some evidence also supports the use of lavender extracts for improving sleep quality and anxiety, both of which are closely linked to pain sensitivity. Adaptogens such as ashwagandha have emerging evidence for stress modulation, which may indirectly influence pain processing in stress-sensitive individuals.

However, herbal interventions are most effective when integrated into a broader, structured treatment plan rather than used in isolation. In CNS-driven pain conditions, improvements are often seen when biological, psychological, and lifestyle factors are addressed together.

At our clinic, we take a fully evidence-based, integrative approach to chronic pain care. We start with a detailed clinical assessment to understand the biological, neurological, and lifestyle contributors to your pain. Treatment plans may include evidence-informed herbal and nutritional interventions where appropriate, alongside strategies targeting sleep regulation, graded activity, stress physiology, and nervous system retraining. The goal is to reduce central sensitization over time and improve function, not just mask symptoms.

If you are living with persistent chronic pain, we can help you develop a structured, evidence-based plan tailored to your specific condition and needs. Book a consultation with our clinic to begin a comprehensive assessment and treatment strategy focused on long-term improvement in pain and quality of life.

References

Clauw, D. J. (2015). Diagnosing and treating chronic musculoskeletal pain based on the underlying mechanism(s). Best Practice & Research Clinical Rheumatology, 29(1), 6–19. https://doi.org/10.1016/j.berh.2015.04.024

Fitzcharles, M.-A., Cohen, S. P., Clauw, D. J., Littlejohn, G., Usui, C., & Häuser, W. (2021). Nociplastic pain: Towards an understanding of prevalent pain conditions. The Lancet, 397(10289), 2098–2110. https://doi.org/10.1016/S0140-6736(21)00392-5

IASP Terminology Working Group. (2021). IASP terminology. International Association for the Study of Pain. https://www.iasp-pain.org/resources/terminology/

Mills, S., Bone, K., & Kassab, S. (2020). Principles and practice of phytotherapy: Modern herbal medicine (2nd ed.). Elsevier.

National Institute for Health and Care Excellence. (2021). Chronic pain (primary and secondary) in over 16s: Assessment of all chronic pain and management of chronic primary pain (NG193). https://www.nice.org.uk/guidance/ng193

Nicholas, M., Vlaeyen, J. W. S., Rief, W., Barke, A., Aziz, Q., Benoliel, R., Cohen, M., Evers, S., Giamberardino, M. A., Goebel, A., Korwisi, B., Perrot, S., Svensson, P., Wang, S. J., & Treede, R. D. (2019). The IASP classification of chronic pain for ICD-11: Chronic primary pain. Pain, 160(1), 28–37. https://doi.org/10.1097/j.pain.0000000000001390

Peppin, J. F., Albrecht, P. J., Argoff, C., Gustin, S. M., Pappagallo, M., Rice, F. L., Raffa, R. B., & Wallace, M. S. (2015). Skin matters: A review of topical treatments for chronic pain. Part One: Skin physiology and delivery systems. Pain and Therapy, 4(1), 17–32.

Sarzi-Puttini, P., Giorgi, V., Marotto, D., & Atzeni, F. (2020). Fibromyalgia: An update on clinical characteristics, aetiopathogenesis and treatment. Nature Reviews Rheumatology, 16(11), 645–660. https://doi.org/10.1038/s41584-020-00506-w

Treas, J., Wilkinson, J. M., Fitzpatrick, S., et al. (2022). Effectiveness of oral lavender for anxiety: A systematic review and meta-analysis. Phytomedicine, 100, 154040.

Turmeric/curcumin:
Daily, J. W., Yang, M., & Park, S. (2016). Efficacy of turmeric extracts and curcumin for alleviating the symptoms of joint arthritis: A systematic review and meta-analysis of randomized clinical trials. Journal of Medicinal Food, 19(8), 717–729. https://doi.org/10.1089/jmf.2016.3705

Ginger:
Bartels, E. M., Folmer, V. N., Bliddal, H., et al. (2015). Efficacy and safety of ginger in osteoarthritis patients: A meta-analysis of randomized placebo-controlled trials. Osteoarthritis and Cartilage, 23(1), 13–21.

Topical capsaicin:
Derry, S., Rice, A. S. C., Cole, P., Tan, T., & Moore, R. A. (2017). Topical capsaicin (high concentration) for chronic neuropathic pain in adults. The Cochrane Database of Systematic Reviews, 2017(1), CD007393. https://doi.org/10.1002/14651858.CD007393.pub4

Ashwagandha:
Lopresti, A. L., Smith, S. J., Malvi, H., & Kodgule, R. (2019). An investigation into the stress-relieving and pharmacological actions of an ashwagandha extract: A randomized, double-blind, placebo-controlled study. Medicine, 98(37), e17186.

Chickweed - Wild Nutrition and Skincare

Mon, 22 Jun 2026 15:29:31 GMT

We’re importing superfoods while stepping over medicine every day. Discover the wild nutrition of chickweed!

The body content of your post goes here. To edit this text, click on it and delete this default text and start typing your own or paste your own from a different source.

Navigating Stress, Preventing Burnout

Tue, 16 Jun 2026 10:40:24 GMT

"Response, recovery, and return to balance" . This beautiful grounding perspective perfectly captures the essence of the Clinical Herbal Medicine approach, whether you are navigating a stressful period in life, recovering from burnout, managing chronic illness, or adapting to sudden changes.

Herbal medicine supports the body's innate ability to respond, recover, and return to balance through a specific class of plants called adaptogens and nervines . These botanicals regulate the nervous system and help the body adapt to physical, mental, and environmental stressors without forcing a change.

How Herbs Restore Balance

Herbal medicine heals by supporting the whole body, not just suppressing symptoms.

Regulating the Stress Response: Herbs work with the HPA axis by modulating the release of stress hormones, such as cortisol, to prevent overreaction to stress.
Preventing Burnout & Supporting Recovery: Herbs prolong the stress-resistance phase, helping to sustain focus and energy without extreme peaks and crashes.
Restoring Homeostasis: Once stress passes, these herbs help the parasympathetic system return the body to a calm, steady state, avoiding chronic elevation.

Key Botanical Categories

Adaptogens: These plants help the body adapt to stress and optimize response. Examples:
Ashwagandha: Traditionally used in Ayurveda to calm an exhausted, wired nervous system.
Rhodiola: Helps maintain concentration and mental sharpness during demands.
Holy Basil (Tulsi): Promotes steadiness and emotional balance.
Nervines: These herbs nourish and relax the nervous system, easing mental restlessness and supporting restful sleep. Examples include Lemon Balm , Chamomile , and Passionflower .

Herbal vs Conventional Medicine. Which way is the best way? And could Integrative be the right way?

Fri, 12 Jun 2026 13:30:19 GMT

Synergetic Effect Of Blending Conventional And Herbal Medicines For The Benefit Of A Patient

First, let's clarify what modern clinical herbal medicine is. There are many misconceptions, but today's practitioners are academically educated, use conventional diagnostics, and have an in-depth understanding of physiology, pathology, and plant chemistry. It is a clinical discipline, either as independent primary care or as a complementary therapy alongside biomedicine.

Medical herbalism nowadays blends thousands of years of traditional plant-based healing with contemporary scientific research and diagnostic testing. By integrating these traditions, it focuses on evidence-informed practice, standardising plant extracts to ensure consistent active compounds, and ensuring treatments are safe when used alongside conventional pharmaceuticals. Unlike conventional biomedicine, it sees patterns rather than isolated symptoms and focuses on the root cause of illness and individual constitution . Consequently, it is excellent for preventative care and for chronic and degenerative disease, hormonal imbalances, stress and anxiety reduction, overall wellness, and as supportive care for patients undergoing biomedical treatments for serious illness like cancer.

Herbal treatments use whole plants, containing a complex mix of active and supporting compounds. These chemicals interact with human cellular receptors, metabolic enzymes, and the gut microbiome to support health and prevent chronic disease. Isolating only select 'active' ingredients, as in synthetic biology, changes how the body processes drugs.

Despite perceived safety, plants can contain potent toxins, and herbal supplements are frequently regulated as food rather than drugs, leading to potential issues with contamination, misidentification, or drug interactions. As a result, it is essential to seek the help of a qualified and registered herbal practitioner who is knowledgeable about herb-drug interactions and uses controlled herb suppliers.

In contrast, conventional medicine relies on evidence-based science, standartisation and precision. It treats illness with synthetic pharmaceuticals, surgery, chemotherapy and radiation. This approach treats specific symptoms, diseases, infections and injuries. It is highly effective and fast-acting, making it ideal for injuries and acute, life-threatening care.

Additionally, synthetic pharmaceuticals rely on laboratory-manufactured, highly purified, single-compound drugs. They are engineered to interact with very specific biological targets in the body (e.g., specific cell receptors or enzymes) to trigger an immediate, predictable reaction. These drugs are highly regulated by governing bodies (such as the HPRA in Ireland or the FDA in the US ). Their side effect profiles are well-documented, though they can be harsh or cause more acute adverse reactions than milder botanicals.

However, while synthetic biology can replicate and improve the production of individual active plant compounds, it cannot totally replace herbal medicine. The reason is that traditional herbal remedies rely on the synergistic effects of dozens of different compounds working together, which scientists still cannot fully map or artificially replicate.

Integrative medicine aims to combine the best of the two. It blends both systems into modern integrative healthcare, using synthetic medicine for acute, life-threatening conditions and herbal remedies for chronic disease management or general wellness. This approach leverages the strengths of both systems, treating the whole person.

Herbal medicine works alongside conventional treatments to manage side effects, strengthen immunity, and improve quality of life. Protocols are personalized to consider lifestyle, diet, emotional health, and physical needs.

Importantly, a major focus of integrative medicine is identifying how herbal remedies interact with conventional pharmaceuticals. Because herbs can amplify, diminish, or cause dangerous side effects when mixed with standard drugs (e.g., St. John's wort decreasing the effectiveness of blood thinners or birth control), practitioners carefully cross-reference a patient's full regimen to avoid adverse reactions.

Ultimately, in a truly integrative model, medical doctors, certified herbalists, and other complementary therapists communicate to build a cohesive treatment plan. This collaboration ensures that all aspects of a patient’s care are monitored for safety and effectiveness, allowing for natural therapies to complement modern medical diagnostics.

References

Barnum CR, Endelman BJ and Shih PM (2021) Utilizing Plant Synthetic Biology to Improve Human Health and Wellness. Front. Plant Sci. 12:691462. doi: 10.3389/fpls.2021.691462

Biala G, Kedzierska E, Kruk-Slomka M, Orzelska-Gorka J, Hmaidan S, Skrok A, Kaminski J, Havrankova E, Nadaska D, Malik I. Research in the Field of Drug Design and Development. Pharmaceuticals (Basel). 2023 Sep 11;16(9):1283. doi: 10.3390/ph16091283. PMID: 37765091; PMCID: PMC10536713.

Due A. What are side effects? Eur J Philos Sci. 2023;13(1):16. doi: 10.1007/s13194-023-00519-8. Epub 2023 Mar 11. PMID: 36936702; PMCID: PMC10006551.

Fong HH. Integration of herbal medicine into modern medical practices: issues and prospects. Integr Cancer Ther. 2002 Sep;1(3):287-93; discussion 293. doi: 10.1177/153473540200100313. PMID: 14667286.

Li C-Q, Lei H-M, Hu Q-Y, Li G-H and Zhao P-J (2021) Recent Advances in the Synthetic Biology of Natural Drugs. Front. Bioeng. Biotechnol. 9:691152. doi: 10.3389/fbioe.2021.691152

Mayo Clinic. Integrated Medicine Overview. https://www.mayoclinic.org/vid-20259880

Mortada EM. Evidence-Based Complementary and Alternative Medicine in Current Medical Practice. Cureus. 2024 Jan 10;16(1):e52041. doi: 10.7759/cureus.52041. PMID: 38344508; PMCID: PMC10857488.

Wink M. Modes of Action of Herbal Medicines and Plant Secondary Metabolites. Medicines (Basel). 2015 Sep 8;2(3):251-286. doi: 10.3390/medicines2030251. PMID: 28930211; PMCID: PMC5456217.

World Health Organisation. Traditional, Complementary and Integrative Medicine. https://www.who.int/health-topics/traditional-complementary-and-integrative-medicine#tab=tab_1

Menopausal Density Support: Why Bone Health Matters

Tue, 02 Jun 2026 17:37:45 GMT

Understanding the importance of this bone loss helps understand why taking action early is critical.

Menopause brings many changes, and one of the most important—yet often overlooked—is bone health. As estrogen levels decline, bone resorption (breakdown) increases faster than new bone can be formed. As a result density can decrease, increasing the risk of fractures and osteoporosis over time. Managing osteoporosis involves a combination of nutritional strategies and lifestyle changes aimed at reducing bone loss, improving bone density, and preventing fractures.

Supporting bone density during and after menopause may include:

✔️ Regular weight-bearing and resistance exercises
✔️ Adequate calcium and vitamin D intake
✔️ Sufficient protein in your diet
✔️ Avoiding smoking and limiting excessive alcohol consumption
✔️ Discussing bone health screenings with your healthcare provider

Herbal medicines and supplements

The main herbal strategies to minimise the risk of developing osteoporosis and prevent bone loss are:

· Use of phytoestrogens or herbs with oestrogen-balancing properties

· Bone strengthening and bone promoting medicinal mushrooms

· Medicinal plants that improve bone mineralisation

Some of the more known herbal treatments include:

Red Clover

Contains isoflavones (plant compounds with estrogen-like effects).
Some studies suggest benefits for bone turnover markers, helping reduce bonel loss and improve bonedensity.

Soy isoflavones

Among the better-studied plant compounds for postmenopausal bone health.
Research suggests possible benefits for preserving bone density by modulating bone remodelling.

Horsetail

Particularly rich in silica, an essential mineral for bone health.
A study including 122 women showed that the groups taking horsetail experienced improved bone density compared to the group who took calcium.

Reishi

· Containes polysaccharides and triterpenoids contributing to bone strength and improving bone density.

Epimedium

Used in traditional Chinese medicine.
Some preliminary studies suggest potential bone-protective effects

Nutritional botanicals

Diet rich in Calcium (dairy products, leafy vegetables, tofu, almonds)
Adequate levels of vitamine D, supplement when needed. Foods rich in vitamine D include oily fish and egg yoks.
Fruits and vegetables rich in potassium and antioxidants
The Framingham Osteoporosis Study found a protective role of carotenoids in bone mineral density. There was a protective association between lycopene intake and 4-year change in the bone mineral density of the lumbar spine in women, and a significant protective association between intakes of total carotenoids, beta-carotene, lycopene, and lutein in bone mineral density in men
Legumes, including soy foods
Nuts and seeds
Adequate protein intake
Limiting excessive alcohol and smoking
High sodium intake can increase calcium excretion and bone loss.

Other supplements

Vitamin K2
Magnesium (if deficient)
Prunes (dried plums), which have shown some promising research for bone preservation
Protein supplementation

Medical disorders that can accelerate bone loss

A number of medical conditions can cause osteoporosis or make bone loss occur more rapidly than expected after menopause. A careful examination and assessment is always recommended.

Endocrine (hormonal) disorders
Gastrointestinal and malabsorption disorders
Rheumatologic and inflammatory disorders
Kidney and liver disorders
Blood and bone marrow disorders

Other contributors include:

Vitamin D deficiency
Low calcium intake
Chronic undernutrition
Low body weight
Smoking
Excessive alcohol use
Prolonged immobilisation

Medications that commonly accelerate bone loss

Long-term corticosteroids (such as Prednisone)
Some anti-seizure medications
Aromatase inhibitors used for breast cancer
Certain androgen-deprivation therapies for prostate cancer
Long-term excess thyroid hormone replacement

When to investigate secondary causes

If a postmenopausal woman has:

Osteoporosis at a relatively young age
Rapidly declining bone density
Multiple fractures
Osteoporosis despite healthy lifestyle measures
Unexplained abnormalities in calcium, vitamin D, or kidney function

This blog is intended as an informational guide. The remedies, approaches, and techniques described herein are meant to supplement, and not be a substitute for, professional medical care or treatment. They should not be used to treat a serious ailment without prior consultation with a qualified health care professional.

References

Armas LA, Recker RR. Pathophysiology of osteoporosis: new mechanistic insights. Endocrinol Metab Clin North Am. 2012;41(3):475-486.

Leung PC, Siu WS. Herbal treatment for osteoporosis: a current review. J Tradit Complement Med. 2013 Apr;3(2):82-7. doi: 10.4103/2225-4110.110407. PMID: 24716161; PMCID: PMC3924968.

Abd Jalil MA, Shuid AN, Muhammad N. Role of medicinal plants and natural products on osteoporotic fracture healing. Evid Based Complement Alternat Med. 2012;2012:714512. doi: 10.1155/2012/714512. Epub 2012 Sep 2. PMID: 22973405; PMCID: PMC3438813.

Marcucci G, Domazetovic V, Nediani C, Ruzzolini J, Favre C, Brandi ML. Oxidative Stress and Natural Antioxidants in Osteoporosis: Novel Preventive and Therapeutic Approaches. Antioxidants (Basel). 2023 Feb 3;12(2):373. doi: 10.3390/antiox12020373. PMID: 36829932; PMCID: PMC9952369.

Ji MX, Yu Q. Primary osteoporosis in postmenopausal women. Chronic Dis Transl Med. 2015 Mar 21;1(1):9-13. doi: 10.1016/j.cdtm.2015.02.006. PMID: 29062981; PMCID: PMC5643776.

Muñoz-Garach A, García-Fontana B, Muñoz-Torres M. Nutrients and Dietary Patterns Related to Osteoporosis. Nutrients. 2020 Jul 3;12(7):1986. doi: 10.3390/nu12071986. PMID: 32635394; PMCID: PMC7400143.

Zheng X, Lee SK, Chun OK. Soy Isoflavones and Osteoporotic Bone Loss: A Review with an Emphasis on Modulation of Bone Remodeling. J Med Food. 2016 Jan;19(1):1-14. doi: 10.1089/jmf.2015.0045. Epub 2015 Dec 15. PMID: 26670451; PMCID: PMC4717511.

Yang Y, Yang B. Anti-osteoporosis effect of Ganoderma (lingzhi) by inhibition of osteoclastogenesis. In: Jin Y, ed. Ganoderma and Health: Pharmacology and Clinical Application. CRC Press; 2019:263-269.

Guo Y, Li Y, Xue L, et al. Salvia miltiorrhiza: an ancient Chinese herbal medicine as a source for anti-osteoporotic drugs. J Ethnopharmacol. 2014;155(3):1401-1416.

Li W, Lee SH, Jang HD, Ma JY, Kim YH. Antioxidant and anti-osteoporotic activities of aromatic compounds and sterols from Hericium erinaceum. Molecules. 2017;22(1):108.

What makes women more likely to develop autoimmune diseases, and why has science begun to unravel these mysteries?

Wed, 13 May 2026 20:47:47 GMT

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Difficulty losing weight and thyroid – what’s the connection?

Tue, 05 May 2026 20:00:40 GMT

Difficulty losing weight is a classic symptom of an underactive thyroid.

Many people reaching the age of 40-45 years find it increasingly difficult to lose weight, especially around the abdominal and the back areas. Following healthy diets and regular physical activity seems to be doing very little to improve things dramatically, the weight just does not budge or even continue to grow. Very often we begin counting calories, go for intermittent fasting, follow cleansing routines or blame the famous metabolism.

The real reason could be actually lay in the deficient work of the thyroid gland, our internal engine. This little organ directs the body to either burn fat for fuel or save it for energy. When its hormones begin to fail doing their work, it get increasingly hard to shift weight.

Thyroid gland produces hormones T4 (inactive form) and T3 (activated form) - the true metabolism modulator. They play a major role in regulating the body temperature, the heart rate and metabolic rate. The thyroid regulates the resting metabolic rate – the use of calories to fuel critical processes like breathing, brain activity and cell production. It also controls the fat-burning processes in the body.

After 40 the body finds it more difficult to convert T4 into T3. As a result the metabolism slows down and we begin to feel tired and cold, we accumulate excess fluids and our weight goes up without any apparent to us reasons.

Low thyroid function leads to reduction in breaking down of stored fat cells and an increase in insulin resistance. The extra weight gets deposited around the waist and the abdomen due to hormonal “self-defence” of the body.

Blood tests show the amount of hormones available but are not always good at determining how well they are being used by the body. TSH is the hypothalamic hormone that is produced by the body to encourage the thyroid to work harder. When this hormone is high, the body reads it as a signal that the energy is low and it is time to switch to the economy mode. This leads to reduced rate of burning fat and the slowing down of metabolism.

Additionally the thyroid is also involved in cortisol clearance. When the thyroid function is compromised cortisol remains elevated in the bloodstream longer and interferes with the conversion of T4 into T3. The body switches to survival mode, fat burning is practically prohibited – it is the way the body is trying to protect itself.

Harsh diets and fasting further aggravate the problem. The body sees the calory deficit as a threat, consequently lowers the thyroid activity and metabolism even further.

Among the natural support for thyroid health, herbal medicine has a long tradition using plants to support the thyroid and recent clinical research suggests supports their use as adjunctive therapy by stimulating hormone production and reducing symptoms of a failing thyroid function.

Ashwagandha (Withania somnifera) is one of the most researched herbs for underactive thryroid. It increases conversion of T4 to T3, lowers TSH, reduces cortisol and has anti-inflammatory and calming effects.

Coleus (Coleus forskohlii) is another Ayurvedically herb containing the active compound forskolin that can increase thyroid function by upregulating cellular cAMP levels. It can also stimulate lipolysis withing adipocytes thus promoting weight reduction.

Guggul or Mukul Myrrh Tree (Commiphora mukul) produces a fragrant resin called gugal. It has been successfully used in Auyrvedic medicine to stimulate conversion of T4 to a more potent T3.

Black Cumin (Nigella sativa) is known for its potent antioxidant properties that protect the delicate thyroid tissue. Clinical trials confirm it can significantly reduce TSH and body weight in cases of underactive thyroid.

Addressing thyroid dysfunction often requires a multi-faceted, whole-person approach and a thorough understanding of the particular imbalance or pathology so it is always advisable to speak to a qualified practitioner.

References

Ghaffari-Saravi F, Jokar A. Herbal remedies for hypothyroidism: A systematic review and meta-analysis. Caspian J Intern Med. 2024 Oct 19;16(1):1-8. doi: 10.22088/cjim.16.1.1. PMID: 39619751; PMCID: PMC11607114.

Swapnil R. Dudhakohar*, Dr. Khushboo Arora, Herbal Remedies in Traditional Medicine for Thyroid Disorders, Int. J. of Pharm. Sci., 2025, Vol 3, Issue 10, 2734-2749 https://doi.org/10.5281/zenodo.17442806

Yarnell Eric and Abascal Kathy, Botnical medicine for thyroid regulation; Alternative and Complementary; copyright from US Library; year- 2006; pag e no-107- 112

Plant-Based Diet May Help Reduce A Risk of Chronic Disease

Fri, 01 May 2026 18:58:41 GMT

Adopting a plant-based diet can positively impact your health by helping reduce cardiovascular and metabolic risk factors such as high blood pressure, LDL cholesterol, and excess body weight. Exciting new evidence suggests it may also lower your risk of chronic disease.

Chronic low-grade inflammation is now seen as a major contributor to age-related disorders, cardiovascular diseases, type 2 diabetes, and certain cancers. This hidden enemy slowly chips away at your health as you age.

An analysis of clinical trials conducted by the University of Warwick, published in Nutrition, Metabolism and Cardiovascular Diseases , shows promising results: plant-based dietary choices can significantly reduce chronic low-grade inflammation. On average, CRP levels—one of the body’s key signals of inflammation and cardiovascular risk—drop by 1.13 mg/L. For context, levels below 1 mg/L are considered low risk, while levels above 3 mg/L are high risk. Choosing a plant-based diet puts you on a path to a healthier future by moving you into a lower-risk category.

Plant-based diets are rich in fruit, vegetables, legumes, nuts, seeds, and whole grains, providing a wealth of antioxidants, fiber, and unsaturated fats. These nutrients, along with reduced saturated fat, are believed to play a big part in the anti-inflammatory effects—and that’s good news for your health.

Reference: Bell L, Gibbs J, Cappuccio FP. The effect of plant-based dietary patterns on C-reactive protein: A systematic review and meta-analysis of randomised controlled trials. Nutr Metab Cardiovasc Dis. 2026:104631. doi: 10.1016/j.numecd.2026.104631

Herbs for Health & Vitality: Spring Bitter Doctors

Wed, 29 Apr 2026 11:39:32 GMT

Meet the Mighty Dandelion

When spring arrives and everything bursts into color, dandelions are easy to spot in the sunshine. For centuries, people have valued these plants as remedies for liver, kidney, and digestive issues. They are full of helpful compounds that nourish and strengthen the body. Dandelion is truly one of the best tonic herbs around.

The roots and leaves of dandelions are known for their bitter taste. This bitterness helps support digestion by activating the body’s natural 'rest and digest' response. Dandelions encourage salivation, stomach juices, pancreatic activity, bile flow, and healthy movement in the intestines.

Dandelions also help keep our metabolism balanced and have anti-inflammatory, immune-supporting, and liver-protecting qualities. They can ease congestion and are a great choice for managing chronic inflammation. Dandelion is also one of the safest and most effective natural diuretics.

Dandelion roots are full of inulin and prebiotic fiber, which feed and support healthy gut bacteria. The flowers and leaves contain antioxidants like carotenoids, flavonoids, and phenolic acids that help control inflammation. Dandelions also provide important minerals such as potassium, calcium, magnesium, a little iron, and vitamins K, C, and folate.

Dandelion is both a medicine and a food. You can add young roots to stir fries, soups, or casseroles. The leaves and flowers work well in herbal teas, honey, or vinegar. Fresh green leaves are also great in salads. For a tasty salad, mix a handful of young dandelion leaves with ripe avocado, some red grapes, a few pine nuts, chopped coriander, and a splash of olive oil and balsamic vinegar. Enjoy!

Herbs for Health and Vitality: Stinging Nettle

Wed, 08 Apr 2026 12:49:28 GMT

Nurturing Your Well-Being Through Allergy Season

After a long winter, many people look forward to seeing trees bud and flowers bloom. But for those with allergies, this season often brings sneezing, a runny nose, and itchy eyes. Taking steps to care for your health during allergy season can help prevent most symptoms, so you can enjoy being outside, gardening, and soaking up the sunshine.

During allergy season, your body often makes more histamine. Histamine is a chemical released from certain cells when you have an allergic reaction or immune response. It widens blood vessels and makes them more permeable, which can cause swelling, warmth, and redness. Histamine can also irritate nerves, leading to itching and pain.

There are several ways you can help your body balance histamine levels and reduce inflammation. Berries like blueberries, cherries, and raspberries, as well as mango, are rich in bioflavonoids. Taking vitamin C may also help lower histamine levels in the body. On the other hand, some foods play an opposite role. Strawberries, tomatoes, chocolate, wine, bananas, and shellfish are best avoided during allergy season.

The stinging nettle (Urtica dioica), despised and feared by many, is a perennial herb known as a rich source of nutrients such as chlorophyll, protein, vitamin C, calcium, magnesium, vitamin K1, potassium, chromium, and zinc. These nutrients increase vitality, support healthy skin, bones, joints, and help keep the immune and respiratory systems strong. Nettle leaves also contain flavonoids such as quercetin and rutin, which help the body better manage histamine levels. To reduce allergy and hay fever symptoms, try infusing it in equal parts with Chamomile, Ribwort, Eyebright, and Ground Ivy.

wildberry-integrated-herbal-clinic-and-dispensary

The Autumn Apothecary: Finding Light When the Days Grow Short

Why the darker months weigh on us, what the research says about light, connection and immunity, and a bright autumn tea to share.

Clinical Insight | Men's Metabolic Health: The Connection Between Waistline, Muscle and Hormones

Why a growing waist, falling strength and changing hormones are often part of the same story.

Waistline: why fat distribution matters

Muscle: strength with a metabolic role

Hormones: part of a two-way relationship

What can push the system towards poorer metabolic health?

Where do cholesterol and triglycerides fit?

When to seek medical advice

Looking at the whole picture

References

Disclaimer

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Goldenrod: A Late-Season Gold with a Long Memory

A herb for making whole

What goldenrod does

From the bladder to the joints

A place in respiratory and throat care

The preparation matters

Goldenrod at Wildberry Clinic

Bringing goldenrod closer to home

References

Disclaimer

The Autumn Apothecary: How a Herbalist Thinks About Coughs

Your airways already know what they're doing

Four jobs a herbal blend can do

Why we blend

Warming Throat And Cough Tea

A short safety note

Further reading

Beyond the Blockage: How Coronary Plaque Differs in Women and Men

Research in Focus | Wildberry Clinic

References

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MEN'S HEALTH SERIES: The Arteries Tell a Wider Story: Cardiovascular Health in Men

Blood pressure, lipids, metabolic health, liver function, work pressure and sexual health often belong to the same clinical picture.

Blood pressure and the load on the arteries

Cholesterol is essential — but its transport matters

Visceral fat links metabolism, hormones and liver health

Work stress and inadequate recovery

Erectile difficulty can be a cardiovascular clue

Testosterone treatment needs context

Other male health encounters can reveal cardiometabolic risk

What a useful cardiovascular review may include

The Wildberry approach

References

Important information

From Plant to Prescription: Monarda. The Herb That Hummed Our Wildberry Garden to Life

Three North American species, their Indigenous uses, aromatic chemistry and place in modern herbal medicine.

Three Monardas, three distinctive plants

Monarda citriodora: lemon bee balm

Monarda fistulosa: wild bergamot

Monarda didyma: scarlet bee balm

Nanakopsi: “one perched above the other”

Monarda fistulosa: the richest medicinal record

Monarda didyma and Oswego tea

What creates the Monarda aroma?

More than an essential oil

From chemistry to herbal actions

How we use Monarda citriodora at Wildberry

The plant, the bees and the prescription

References

Disclaimer

The Autumn Apothecary. An Herbalist's Approach to Seasonal Immunity

Herbs, Broths, and Small Rituals for Resilience as the Days Grow Shorter.

Immunity Begins Where We Meet the World

Which Herbs Belong in the Autumn Apothecary?

Into the Kitchen

1. Autumn Mushroom and Ginger Broth

2. Spiced Elderberry Cordial

3. An Elderberry Honey-and-Vinegar Drink

Make It a Rhythm You Enjoy

Disclaimer

References

Uric Acid: More Than Gout. Part 1

Why this familiar blood marker may tell us more about metabolism, kidney function and inflammation than we once thought.

First, what exactly is uric acid?

High uric acid is often a clearance problem