General Dosage
1-4g dried root or equivalent extract daily; best used as part of a traditional herbal formula
Maximum dose: 6g dried root daily; higher doses may increase bleeding risk due to coumarin content
Dong Quai Dosage Guide
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Dosage Recommendations
General recommendation: 1-4g dried root or equivalent extract daily; best used as part of a traditional herbal formula
Timing: Between meals in divided doses; follow TCM practitioner guidance for formulated preparations
Dosage by Condition
Menstrual regulation (in TCM formula)
3-6g dried root in multi-herb decoctionPreliminary
Dysmenorrhea
2-4g root extract dailyPreliminary
General blood tonic
1-3g daily in divided dosesPreliminary
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Menstrual regulation (in TCM formula) | 3-6g dried root in multi-herb decoction | Preliminary |
| Dysmenorrhea | 2-4g root extract daily | Preliminary |
| General blood tonic | 1-3g daily in divided doses | Preliminary |
Upper limit: 6g dried root daily; higher doses may increase bleeding risk due to coumarin content
Timing & Absorption
Between meals in divided doses; follow TCM practitioner guidance for formulated preparations
Can be taken with or without food.
References
- Hirata JD, Swiersz LM, Zell B, Small R, Ettinger B (1997). Does dong quai have estrogenic effects in postmenopausal women? A double-blind, placebo-controlled trial. Fertility and Sterility. DOI PubMed
- Hook IL (2014). Danggui to Angelica sinensis root: are potential benefits to European women a lost in translation?. Journal of Ethnopharmacology. DOI PubMed