Betony

Other Names

alpine betonybétoinebétoine officinaleBetonicabetónicaBetònicaBetonica affinisBetonica angustifoliaBetonica brachystachysBetonica comuneBetonica danicaBetonica drymophilaBetonica grandifoliaBetonica hirtaBetonica hylebiumBetonica incanaBetonica laxataBetonica officinalisBetonica quercetorumBetonica subhirsutaBetonica velebeticaBetonieBetonikaBetonikobettonicabidneybiscopwyrtbishop's wortbishopswortbishopwortbitnyBrotonicaBukwica zwyczajnachastracommon hedge nettlecommon hedgenettlecreeping betonydanhogenépiaire officinalheal-allhedge nettlekribe sain ffraidlousewortOrtiga bonapurple betonyspiked betonyStachys betonicaStachys officinalisStachys serotinaVettonicawild hopwood betonywoundwortWšědna bukwica

Synopsis

Betony (Stachys officinalis / Betonica officinalis)

1. Identity, Botanical Classification, and Natural Source

Betony — most commonly called wood betony or purple betony — refers principally to the species Stachys officinalis (L.) Trevisan, which is synonymous with Betonica officinalis L. and the older name Stachys betonica. The genus has been revised more than once, and Stachys betonica L. and Betonica officinalis are both recognised synonyms for Stachys officinalis. The broader name "betony" is also applied across the genus boundary: betony is the name given to a group of plants from the genus Stachys and Betonica that contain tannins and flavonoid glycosides.

The genus Stachys is one of the most expansive genera in the subfamily Lamioideae and ranks first among the biggest genera in the entire family Lamiaceae. One of the most controversial issues related to its taxonomy is the relationship between Stachys and Betonica, which has been categorised by various authors as either a separate genus or subgenus. Stachys L. (Lamiaceae) includes about 300 species as annual or perennial herbs or small shrubs, spread in temperate regions of the Mediterranean, Asia, America, and southern Africa.

The name "betony" is thought to derive from the Celtic bew (head) and ton (good). Its more modern scientific name Stachys derives from Greek, meaning "an ear of grain," a reference to its spike of pink/purple flowers. The Latin specific epithet officinalis refers to plants that were considered to have culinary or medicinal use.

1.1 Morphology and Habitat

Betonica officinalis is a rhizomatous, patch-forming, grassland herbaceous perennial growing to 30–60 cm (12–24 in) tall. It is an herbaceous perennial wildflower that grows in matted clumps, reaching up to one to two feet in height and width. Its leaves are large, heart-shaped, ovate to oblong, petiolate, and dark green with scalloped edges. The leaves are stalkless and grow alternately at wide intervals, in pairs along the stem. The largest leaves arise from the root in clumps at the base of the plant.

Wood betony is native to Europe and Asia. Its native habitat includes grassbanks, meadows, pastures, hedgerows, hedge banks, heathlands, open lands, and margins. It favours mildly acidic soils but is also found on neutral or strongly calcareous ground. Wood betony is classified as "least concern" on the IUCN list, yet there have been significant local declines throughout its native habitats in England and Ireland, where it is considered rare.

1.2 Common Names and Related Species

The plant is commonly known as Betony, Bishop's Wort, Common Hedgenettle, Lousewort, Purple Betony, Wood Betony, and Woundwort. The plant was commonly grown by monks and apothecaries for medicinal purposes, hence the specific epithet officinalis. There are many similar species originating from Eurasia, including Stachys sieboldii (Chinese artichoke) and S. atherocalyx (hedge nettle).

1.3 Common Forms and Preparations

The primary portions of the plant used as medicine are the leaves and flowers, though historically the root has also been used. In contemporary practice, the herb is prepared in several forms:

Infusion (tea): To make an infusion, 1–2 teaspoons of dried material are placed in one cup of boiling water and infused for 15–20 minutes, drunk three times a day.
Tincture: Tincture (1:5 in 40% alcohol): taken at 2–6 ml in a little water, up to three times a day.
Capsules, compress, and poultice: Plant preparations include infusion, tincture, herb-infused oil, salve, capsules, compress, and poultice.

2. Traditional and Historical Use

2.1 Greco-Roman Antiquity

Wood betony was held in high repute not only in the Middle Ages but also by the Greeks, who extolled its qualities. In the first century AD, Pliny the Elder praised the plant in his Natural History as more highly esteemed than any other, documenting its reputed efficacy against 47 different ailments. Similarly, the Herbarius attributed to Pseudo-Apuleius, a text from late antiquity, enumerated over 50 therapeutic applications for betony, including treatments for snakebites, fevers, and wounds, underscoring its status as a versatile remedy in Roman herbal traditions. Antonius Musa, chief physician to the Emperor Augustus, wrote a long treatise showing it was a certain cure for no fewer than 47 diseases.

Dioscorides further states that it was called "bettonica" or "rosmarina" by the Romans, and in the Old English Herbarium the former name is given, alongside the Old English "biscopwyrt." Bauhin and the Old English Herbarium commence their list of uses of betony with a protective influence — keeping safe men's bodies and souls, especially after dark, when nightmares and terrifying visions might arise; the plant was said to protect holy places and sepulchres from such fearful sights.

2.2 Medieval Europe and Monastic Medicine

During the medieval and Renaissance periods, Betonica officinalis was widely cultivated in monastery physic gardens across Europe, valued for its broad medicinal profile and ease of growth. An old Italian proverb, "Sell your coat and buy Betony," and the Spanish saying "He has as many virtues as Betony" show what value was placed on its remedial properties. Throughout the centuries, faith in its virtues as a panacea for all ills was thoroughly ingrained in popular estimation.

Information about and uses for betony are compiled in Chapter 232 of John Gerard's 1597 Herball, or, Generall historie of plantes. Properties ascribed to it include help for those with "the falling sickness," cramps, ague, jaundice, and sciatica; clearing of the lungs, chest, liver, and gallbladder; killing of worms; and breaking of kidney stones, among many others.

Nicholas Culpeper (1653) wrote about wood betony in his book The Complete Herbal, mentioning that Roman Emperor Caesar Augustus's physician Antonius Musa had written a treatise about its virtues. Culpeper summarised some of the uses, noting that betony "helps those that loath and cannot digest their meat," "those that have continual pains in their heads," and ailments including "pains in the back and sides, the torments and griping pains in the bowels, and the wind cholic."

2.3 Nervous System and Head Conditions

The use of some Betonica and Stachys species as psychotropic remedies is well documented. B. officinalis has been regarded as the sovereign remedy for all maladies of the head, and was used in hysteria, palpitations, pain in the head and face, neuralgia, and all nervous affections. Historical texts by herbalists Nicholas Culpeper and John Gerard mention betony as a remedy for nerve-related pain and "all diseases of the head and nerves."

2.4 Ethnobotanical Use Across Cultures

Betony has also been used in traditional Austrian medicine internally as tea, or externally as compresses or baths for treatment of disorders of the respiratory tract, gastrointestinal tract, nervous system, skin, and gynaecological problems. In Egypt, Montenegro, and Serbia, Stachys officinalis tea is used for its antibacterial properties, headaches, anxiety, menopausal issues, skin issues, nervous tension, and as a tobacco snuff. Iranian traditional medicine used the plant for stress, skin inflammation, stomach disorders, and genital tumours.

B. officinalis has a long history in traditional medicine for the treatment of inflammatory diseases, ulcers, infected wounds, cough, diarrhoea, fevers, sore throat, internal bleeding, headaches, and migraines. S. officinalis contains various alkaloids, saponins, flavonoids, and phenolic acids and has been used in traditional medicine to treat disorders of the respiratory tract, gastrointestinal tract, nervous system, inflammatory disease, and liver disorders.

It has been used as a nerve tonic to treat anxiety and headaches, as an astringent to treat diarrhoea, and as a gargle for mouth and throat irritations. Betony was an ingredient of Pistoia powder, an old remedy for arthritis and gout.

2.5 Folklore, Ritual, and Symbolic Use

Druids reportedly employed betony for protective rituals, weaving the herb into charms to ward off evil and enhance spiritual safeguarding, a practice rooted in its perceived purifying qualities. In Welsh folklore, betony leaves were hung around the neck or its juice consumed before sleep to control dreams and prevent nightmares. The plant's cultural resonance extended to the French Republican Calendar of the late 18th century, where 12 Prairial was dedicated to betonice.

3. Phytochemistry: Key Constituents and Active Compounds

The aerial parts of betony — leaves, flowers, and stems — are rich in bioactive compounds including phenylethanoid glycosides, flavonoids, and iridoids, which contribute to its antioxidant, anti-inflammatory, and neuroprotective properties. The major chemical classes identified in S. officinalis are described below.

3.1 Iridoid Glycosides

The main iridoids present in Betonica officinalis (alongside S. alpina, S. germanica, and S. recta) are harpagide, ajugoside, aucubin, acetylharpagide, and harpagoside. Iridoid components of Stachys species such as aucubin, harpagide, and harpagoside exert anti-inflammatory activities, as demonstrated in cellular systems of arachidonic acid metabolism. Iridoids are considered important chemotaxonomic markers and may be among the primary contributors to the anti-inflammatory activity of the genus.

3.2 Phenylethanoid Glycosides

Phenylethanoid glycosides are phenolic compounds present in a wide range of medicinal plants, especially in the family Lamiaceae. This group of compounds has numerous beneficial properties, including antiviral, antibacterial, anti-inflammatory, antidiabetic, and neuroprotective characteristics. Regarding phenylethanoid glycosides, acteoside is reported in the majority of Stachys species. Betonyosides are found only in S. officinalis and S. recta, making them chemotaxonomically distinctive for betony specifically.

The main compounds possessing antioxidant activity in extracts of wood betony, assessed by the on-line HPLC–DPPH method, were chlorogenic acid, phenylethanoid glycosides, and a hydroxycinnamic acid derivative.

3.3 Alkaloids

Alkaloids trigonelline and stachydrine, as well as betaine, volatile oils, and choline were reported in S. officinalis. Compounds identified in Stachys species more broadly include 4-caffeoylquinic acid, achillein, betaine, betonicin, caffeic acid, chlorogenic acid, harpagide, neochlorogenic acid, rosmarinic acid, stachydrine, (+)-oxystachydrine, (−)-oxystachydrine, tannin, and turicine. Betonicine (also spelled betonicin), a pyrrolidine-type alkaloid, is among the characteristic alkaloids of the genus. Betonicine has been shown to be haemostatic.

3.4 Flavonoids

Previous investigations of B. officinalis have shown the presence of flavonoids including luteolin glycoside, apigenin glycoside, and quercetin glycosides, as well as phenolic acids including chlorogenic acid. Tricetin 3′,4′,5′-trimethyl-7-O-glucoside constitutes a chemotaxonomic marker for the subgenus Betonica; selgin 7-O-glucoside, tricin 7-O-glucoside, and tricetin 3′,4′,5′-trimethyl-7-O-glucoside were identified from the leaves of S. officinalis.

3.5 Tannins and Phenolic Acids

Constituents of the plant include volatile oils, bitter principles (betolide, iridoids), tannins (rosmarinic acid, caffeic acid derivatives), alkaloids (betonicine, stachydrine), flavonoids, choline, and coumarins. The anti-inflammatory and antioxidant activities of polyphenolic-rich S. officinalis extracts can at least partly be assigned to the presence of ursolic acid, caffeic acid, rosmarinic acid, quercetin, and anthocyanidins (genistin).

3.6 Volatile / Essential Oils

Pharmacological studies have demonstrated that extracts or components of plants belonging to the genus Stachys exert significant antibacterial and antifungal activities, and antioxidant, anxiolytic, anti-inflammatory, hypotensive, hyaluronidase, and anti-nephritic activity. The essential oil chemistry of the genus has not been studied in much detail. The volatile oil of closely related species S. lavandulifolia consists mainly of monoterpene hydrocarbons, oxygenated monoterpenes, sesquiterpene hydrocarbons, oxygenated sesquiterpenes, diterpenoids, and terpene esters.

3.7 Phytochemical Diversity of the Genus

A comprehensive survey of the genus documented 60 Stachys species and 10 subspecies for their phytochemical profiles, encompassing 254 chemical compounds, and reported 19 species and 4 subspecies for their pharmacological properties. Furthermore, 25 species and 6 subspecies were found to have documented traditional uses.

4. Established Mechanisms of Action

The active constituents of wood betony have not been comprehensively characterised in mechanistic terms, particularly in humans. Proposed mechanisms, derived predominantly from in vitro and animal research, include the following:

Anti-inflammatory (iridoid-mediated): The main iridoids of investigated extracts — harpagide, ajugoside, aucubin, acetylharpagide, and harpagoside — were assayed in anti-inflammatory tests. Aucubin and harpagoside demonstrated high dose-dependent antiphlogistic effects. Research has confirmed that iridoids may be beneficial in the treatment of inflammation.
Antioxidant (phenolic-mediated): Antioxidant properties and the composition of phenolic active constituents in wood betony extracts, successively isolated with acetone and methanol, were studied by batch and on-line radical scavenging assays. The methanol extract demonstrated stronger radical scavenging in DPPH and ABTS+ assays, yielding 714 ± 83 μM vs. 558 ± 33 μM trolox equivalents per gram of dry extract.
COX enzyme inhibition: Polyphenolic-rich extracts of S. officinalis were investigated for inhibitory activity against the pro-inflammatory enzymes lipoxygenase, cyclooxygenase-1 (COX-1), and cyclooxygenase-2 (COX-2). In vitro studies showed high inhibitory activity against these enzymes, though formal IC₅₀ values for S. officinalis specifically were not reported in the available sources.
Haemostatic activity of betonicine: Betonicine has been shown to be haemostatic, which may underlie the traditional use of betony for wound care and internal bleeding.
Anxiolytic and CNS modulation: Several health benefits have been reported for members of the genus, including anti-inflammatory, antioxidant, anti-nociceptive, anxiolytic, cytotoxicity, genotoxicity, and antimicrobial effects. The specific CNS mechanisms for S. officinalis have not been established in human studies.

5. Scientific Evidence by Area of Use

5.1 Anti-inflammatory Activity

Animal/preclinical evidence (moderate quality for the species; no human trials):

The anti-inflammatory activities of aqueous extracts prepared from the aerial parts of ten Hungarian Stachys species were investigated in vivo in the carrageenan-induced paw oedema test after intraperitoneal and oral administration to rats. Extracts of S. officinalis, S. alpina, S. germanica, and S. recta demonstrated high activity following intraperitoneal administration. At the same dose of 5.0 mg/kg, these extracts exhibited similar or greater potency than that of the positive control diclofenac-Na.

The main iridoids present in the investigated extracts — ajugoside, aucubin, acetylharpagide, harpagide, and harpagoside — were also assayed in the same test, and high dose-dependent antiphlogistic effects were recorded for aucubin and harpagoside.

In vivo studies showed that S. officinalis polyphenolic-rich extract has a higher anti-inflammatory effect than positive controls in hind-paw volume models, with the anti-inflammatory effect persisting for more than 24 hours. These anti-inflammatory and antioxidant activities can at least partly be assigned to the presence of ursolic acid, caffeic acid, rosmarinic acid, quercetin, and anthocyanidins.

Evidence strength: Preclinical only (animal in vivo and in vitro). No human clinical trials have established anti-inflammatory efficacy in defined conditions.

5.2 Antioxidant Activity

In vitro evidence:

Depending on the extraction method, S. officinalis demonstrated significant antioxidant properties, including in a lipid peroxidation assay. Results showed the potential of nanofiltration to concentrate the extract's main polyphenolic compounds (over 91% phenolic acids and flavonoids retention). Polyphenolic-rich extracts of S. officinalis had high antioxidant activities (IC₅₀ 2.5 μg/ml) compared to extracts of a comparator plant (IC₅₀ 19.3 μg/ml) and similar to that of ascorbic acid.

In vitro studies suggest that the essential oil of S. officinalis may have antifungal efficacy against Aspergillus and Candida albicans. Three Stachys species from Romania, including S. officinalis, showed good in vitro antimicrobial capacity, especially against gram-positive bacteria.

Evidence strength: In vitro laboratory data only. Bioavailability and clinical relevance of antioxidant effects are unestablished.

5.3 Nervous System — Anxiolytic, Sedative, and Headache

Traditional context and limited preclinical evidence:

Promising in vivo evidence on the antidepressant-like activity of S. lavandulifolia extracts could be related to flavonoids as the main components of the extracts. These findings are in a closely related species, not S. officinalis directly.

Pharmacological studies suggest that wood betony has mild sedative, anxiolytic, and anti-inflammatory effects; the herb has also shown potential in reducing oxidative stress and may have mild analgesic properties. However, these effects have not been confirmed in randomised controlled trials in humans. The active constituents of wood betony have not been clearly identified. The tannins, alkaloids, glycosides, and volatile oil found in this plant and its relatives may all contribute to its activity. Almost no research has been conducted on wood betony itself.

Evidence strength: Weak. Evidence is restricted to in vitro work, animal models, and traditional observation. Human clinical trials on anxiety, sedation, or headache with S. officinalis are absent from the available literature.

5.4 Gynaecological Use — Polycystic Ovary Syndrome (PCOS) and Abnormal Uterine Bleeding

One published randomised clinical trial (closely related species):

Researchers compared the efficacy and safety of the aerial parts of wood betony (Stachys lavandulifolia) with medroxyprogesterone acetate (MPA) in the management of abnormal uterine bleeding (AUB) due to PCOS. A randomised clinical trial enrolled 66 women aged 15–45 years with AUB. Participants were randomly assigned to either cyclical 10 mg twice-daily MPA for three cycles or 5 g aerial wood betony three times daily for three months. Clinical symptoms and paraclinical parameters were recorded before and three months after initiation of treatment.

The age-adjusted prevalence rate of different patterns of AUB decreased from 2.7 to 1.1 for patients taking MPA, and from 2.5 to 0.7 for patients taking wood betony. The decrease in prevalence rate was similar across the two arms (P value = 0.248), suggesting comparable efficacy. Adverse effects were observed less frequently (24.2%) among participants on MPA than among those on wood betony (45.5%). The multivariate-adjusted odds for developing adverse reaction to MPA was 0.40 (95% CI: 0.14–1.19, P = 0.099) times the odds for wood betony. The authors concluded that aerial wood betony may be used as an alternative for MPA in the treatment of AUB caused by PCOS.

Important limitation: This study involved Stachys lavandulifolia (a related but taxonomically distinct species), not S. officinalis. The trial was small (n=66), single-centre, and lacked blinding or a placebo arm, substantially limiting its strength of evidence. The higher adverse event rate in the betony arm (45.5% vs. 24.2%) is a notable safety signal.

5.5 Digestive System

Betony has been used as an astringent to treat diarrhoea and as a gargle for mouth and throat irritations. The tannin content of the aerial parts provides a plausible biochemical basis for astringent and antidiarrhoeal effects, but no clinical trials in humans have been identified in the literature to confirm these uses.

5.6 Antimicrobial Activity

In vitro studies suggest that the essential oil of S. officinalis may have antifungal efficacy against Aspergillus and Candida albicans. Three Stachys species from Romania, including S. officinalis, showed good in vitro antimicrobial capacity, especially against gram-positive bacteria.

Evidence strength: In vitro only. No clinical antimicrobial trials have been conducted.

5.7 Galactogenic (Milk-Stimulating) Use

Betony is a purported galactogogue; however, no scientifically valid clinical trials support this use. Its safety in pregnancy and breastfeeding is generally unknown, though it has been studied in Russia as a way to increase lactation.

6. Body Systems and Health Areas Associated with Betony

Based on traditional use and available preclinical evidence, betony has been associated with the following body systems. For each, it is noted whether the association is primarily traditional or has preclinical scientific support:

Nervous system: Wood betony has a specific affinity for the head and conditions of the nervous and digestive systems. Traditionally used for headache, anxiety, neuralgia, and hysteria.
Digestive system: Used as a bitter tonic and astringent for diarrhoea, indigestion, heartburn, and colic. Tannins and bitter principles provide a rationale.
Inflammatory and musculoskeletal: Extracts of the aerial parts of Betonica and Stachys have been traditionally used internally and externally for their anti-inflammatory, antioxidant, and wound-healing properties.
Respiratory system: Used in traditional Austrian medicine as tea or compresses for treatment of disorders of the respiratory tract.
Reproductive/gynaecological system: Studied clinically (in a related species) for abnormal uterine bleeding and PCOS.
Skin and wounds: Traditional external use as a wound herb, supported by the common name "woundwort."
Cardiovascular: Possible hypotensive activity has been noted (see Section 7), though without human trial data.

7. Dosage Forms and Reported Dosages

The following dosages are those reported in sources; no authoritative standardised dosage for S. officinalis in humans has been established through rigorous clinical trials.

Infusion (tea): 1–2 teaspoons of dried material in one cup of boiling water, infused for 15–20 minutes, drunk three times a day.
Tincture: 1:5 in 40% alcohol; 2–6 ml in a little water, up to three times a day.
PCOS clinical trial dose (S. lavandulifolia): Aerial wood betony tea at a dose of 5 g per 100 mL, three times daily for three months, was used in the PCOS trial.
Anti-inflammatory animal study dose: Aqueous extracts of S. officinalis at a dose of 5.0 mg/kg exhibited similar or greater anti-inflammatory potency to that of the positive control diclofenac-Na in the carrageenan paw oedema rat model.

8. Safety Considerations and Interactions

8.1 General Adverse Effects

Dyspepsia is the only adverse effect associated with the genus Stachys. Overdosage may cause stomach irritation. There are no known adverse effects from use of wood betony other than occasional mild gastrointestinal upset.

In the PCOS clinical trial, adverse effects were observed in 45.5% of participants assigned to the wood betony arm, a substantially higher rate than in the comparator MPA arm (24.2%), though the nature of the adverse events and whether they were gastrointestinal in origin were not detailed in the available abstract.

8.2 Pregnancy and Lactation

There is not enough reliable information about the safety of taking betony during pregnancy or breastfeeding. The cautious approach is to avoid use. Due to its emmenagogue properties it is best to avoid betony during pregnancy and lactation. No data exist on the excretion of any components of betony into breastmilk. Because of a general lack of safety data, betony should be avoided during breastfeeding.

8.3 Blood Pressure

Betony might lower blood pressure, and could cause blood pressure to drop too low in people prone to hypotension. This potential hypotensive effect has not been systematically characterised in human trials.

8.4 Surgery

Betony might affect blood pressure, raising concern that it could interfere with blood pressure control during and after surgery. Stopping betony at least 2 weeks before a scheduled surgery has been recommended.

8.5 Drug Interactions

A moderate potential interaction between betony and antihypertensive drugs has been identified: betony might lower blood pressure, which could have additive effects when combined with antihypertensive medications. Formal contraindications have not been identified. Interactions are not well documented.

8.6 Overall Evidence Assessment

Experimental or clinical studies to support the many traditional uses ascribed to betony are limited. Antioxidant, antimicrobial, and anti-inflammatory effects have been demonstrated in animal or in vitro studies only. The chemistry of betony is genuinely rich in tannins, phenolic acids, flavonoids, and aromatic compounds, but the strongest modern studies are still mostly laboratory-based rather than large human trials. The one published randomised clinical trial involved a related species (S. lavandulifolia) and a specialised gynaecological indication, with methodological limitations. The overall evidence base for betony in any clinical indication remains preliminary.

References

Health Conditions

Health conditions that Betony may help support.

No conditions available.

Body Systems

Body systems that Betony may help support.

No body systems available.