The traditional 'female ginseng' — but the single-herb capsules sold in the West lack good evidence and carry real blood-thinning cautions.
Dong quai (Angelica sinensis), sometimes called 'female ginseng', is one of the most famous herbs in traditional Chinese medicine for women — sold for menstrual cramps, irregular cycles, PMS and menopausal hot flushes.
Dong quai has been used in Chinese medicine for over a thousand years, almost always as part of a multi-herb formula rather than alone — a detail that matters, because its traditional use and the way it's sold in the West (as a single-herb capsule) are quite different things. Its nickname and long history give it real cultural weight, which is why it deserves an honest look.
The Western trial evidence is disappointing. The most-cited study — a randomised trial of dong quai alone for menopausal hot flushes — found it no better than placebo. Used by itself, there's little good evidence it helps hot flushes, cycles or PMS. Defenders argue this is unfair because dong quai was never traditionally used alone, and some combination-formula studies look more promising — a reasonable point, but it means the single-herb capsules most people buy are the least-supported form.
Dong quai is one to be careful with. It can thin the blood and has a documented interaction with warfarin (raising bleeding risk), so it shouldn't be combined with anticoagulants. It also contains compounds that can increase photosensitivity (easier sunburn). It should be avoided in pregnancy (it may stimulate the uterus) and around surgery. For a herb often assumed to be gently 'natural', the interaction profile is not trivial.
Despite the 'female' branding, dong quai's effect on oestrogen is unclear and inconsistent in studies — so, like several herbs here, the hormonal framing outruns the evidence.
For period pain, omega-3 and magnesium; for menopausal symptoms, soy isoflavones or (medically) HRT; for PMS mood, saffron or vitex.
Dong quai is a culturally important herb whose single-herb Western form has little good evidence for cycles, PMS or hot flushes — and it carries real blood-thinning, sun-sensitivity and pregnancy cautions. Avoid with anticoagulants and in pregnancy. Better-evidenced options exist. Use only with medical input.
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Based on guidance from the NHS, NICE, Cleveland Clinic and peer-reviewed research.
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