Eden Apothecary · Herb Profile
Verbena officinalis
Pronounced Vervain (VUR-vayn); Verbena officinalis (vur-BEE-nuh oh-fiss-ih-NAH-liss); Ma Bian Cao (mah bee-EN tsow).
Cool, dry and relaxing: a bitter nervine that unwinds the over-strung, over-driven mind, cools hepatic heat, and moves stagnant bile and blood.
Avoid. Verbena officinalis has a long, well-documented reputation as a uterine stimulant, emmenagogue and oxytocic (historically used to promote labor and expel the placenta), and its iridoid glycosides are reported to bind dopamine receptors and stimulate luteinizing-hormone release. Modern safety references classify it as contraindicated in pregnancy, and animal reproductive studies of Verbena extract report reduced fetal weight gain and reduced bone ossification. Basis: AHPA Botanical Safety Handbook, 2nd ed. (contraindicated in pregnancy; reported safety class 2b (not verified against AHPA)); Brinker, Herbal Contraindications and Drug Interactions; corroborated by Chinese materia medica, which likewise contraindicates Ma Bian Cao in pregnancy.
Insufficient data; use caution. Vervain has a folk reputation as a galactagogue, but LactMed states that no scientifically valid clinical trials support this use and that no data exist on the excretion of any vervain component into breastmilk or on its safety in nursing mothers and infants. Given its uterine-active, emmenagogue constituents and the absence of data, avoid medicinal doses during lactation; occasional culinary-strength tea is likely low-risk. Basis: NIH LactMed (Drugs and Lactation Database, Vervain, NBK501852).
Little modern pediatric data. Mild, dilute tea has traditional use for restlessness, but the marked bitterness is generally poorly accepted, and concentrated or medicinal doses are not well studied in children; not for infants. Start low and brief if used at all, under guidance. Basis: absence of controlled pediatric studies (NCCIH-style insufficient-data precaution).
Large or concentrated doses may cause nausea, vomiting or diarrhea, and the strong bitterness is often poorly tolerated. Contact dermatitis has been reported in sensitive individuals handling the fresh herb. Its cool, drying, dispersing nature can deplete cold, dry, weak constitutions, so pair with warming, nourishing herbs for long-term use. Older reports suggest possible interference with thyroid activity and with iron absorption (tannins); relevance at normal doses is unclear.
Contraindicated throughout pregnancy (uterine-stimulant, oxytocic and emmenagogue reputation). Avoid or use cautiously in heavy menstrual bleeding (menorrhagia) and endometriosis, where a blood-moving emmenagogue may worsen bleeding. Use cautiously alongside antihypertensive, anticoagulant, sedative, dopaminergic or thyroid medication. Avoid as a sole remedy in frank cold, dry, depleted states.
Verbena officinalis is a common, widespread, weedy perennial that is easily cultivated and is not at risk; it carries no United Plant Savers listing. Favor garden-grown or cultivated herb over wild-gathered material, and verify botanical identity to avoid confusion with Blue Vervain or Lemon Verbena.
Not named in the canonical biblical texts. In European Christian folk tradition Vervain is the 'Herb of the Cross' or 'Holy Herb,' held to have staunched the wounds of Christ on Calvary, and was gathered with ritual. It is the sacred verbena of Roman religion, used to purify altars and carried by the herald-priests (verbenarii); described by Pliny the Elder (Natural History) and by Dioscorides (as peristereon) in the Mediterranean tradition.
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