Chinese mugwort

Botanical

What is it

Chinese mugwort (Artemisia argyi, ai ye) is a herbaceous plant used in traditional Chinese medicine, primarily for menstrual disorders, abdominal pain, and as the source of moxa (used in moxibustion). It is closely related to common mugwort (A. vulgaris).

Evidence for 2 uses

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Moxibustion (external use)

Limited Evidence

Moxibustion has mixed clinical evidence for breech presentation correction, dysmenorrhea, and certain pain conditions; effects depend on technique and indication.

Menstrual disorders (traditional use)

Mixed Evidence

Traditional use for abnormal uterine bleeding and dysmenorrhea, often in TCM combination formulas. No high-quality monotherapy trials in humans.

How it works

The leaves contain essential oils (cineole, thujone, camphor), flavonoids, and sesquiterpenes. Preclinical studies note anti-inflammatory, hemostatic, antimicrobial, and analgesic effects. The hemostatic activity (traditional use for excessive menstrual bleeding and miscarriage threat) appears to relate to multiple plant compounds. In moxibustion, dried and aged mugwort leaf is burned near acupuncture points for warming therapy. Oral use in TCM is for cold-type uterine and digestive complaints.

Dosage

No RDA. Traditional dose is 3-9 g of dried leaf as decoction or 1.5-4.5 g of standardized extract.

When and how to take it

Traditionally taken in 2-3 divided daily doses. Moxibustion is performed by trained practitioners on a per-treatment basis.

2 commercial forms

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Dried leaf (ai ye)

Used in TCM decoctions.

Active oils and flavonoids are extracted by water or alcohol.

Moxa (aged dried leaf)

Used in moxibustion.

External use only; effects via heat and aromatic compounds.

Safety

Generally well tolerated at traditional doses. Side effects include occasional GI upset and allergic skin reactions. The essential oil contains thujone (neurotoxic at high doses); concentrated essential oil should not be taken orally. Allergic reactions can occur in people sensitive to Asteraceae.

Who should be cautious

Contraindicated in pregnancy (uterine effects, possible abortifacient). Avoid in breastfeeding. People with seizure disorders should be cautious. People with Asteraceae allergy may cross-react.

Interactions

Possible additive effects with anticoagulants (variable; despite traditional hemostatic use, some preclinical work shows antiplatelet activity for certain constituents). Possible interaction with sedatives due to thujone.

Frequently asked questions

Is Chinese mugwort safe in pregnancy?⌄

No. It is contraindicated in pregnancy due to uterine effects.

Is moxibustion the same as oral mugwort?⌄

Moxibustion uses dried mugwort externally for warming therapy; oral use is for internal complaints. Both share the same plant source.

References

Chinese mugwort on NIH DSLD (US supplement label database) — NIH Dietary Supplement Label Database link

Research on Chinese mugwort (PubMed search) — PubMed link

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Evidence-based·How we grade evidence

Disclaimer: These statements have not been evaluated by the FDA. This page is educational, not a substitute for personalized medical advice. Evidence grades are AI-assisted assessments — talk to your doctor before starting any new supplement, especially if you’re pregnant, breastfeeding, on medications, or managing a chronic condition.