{"ok":true,"entry":{"slug":"dong-quai","kind":"supplement","name":"dong quai","aliases":["Angelica sinensis","danggui","dang gui"],"brands_sg":["NOW Foods","Swanson Vitamins","Nature's Way","Nature's Answer","Solaray"],"class":"botanical","tags":["womens-health"],"use_for":"menopausal symptoms — alone it did not beat placebo","use_after":null,"use_duration":null,"take_with":null,"pros":["long traditional use in chinese women's formulas","a chamomile blend cut hot flushes 73% vs 38%"],"cons":["alone, no better than placebo for hot flushes","bleeding risk rises with warfarin or antiplatelets","photosensitivity; not advised while breastfeeding"],"dose_note":"the 71-woman placebo-controlled trial is reported without a stated daily dose in the review that summarises it","dosage":{"ul":null,"unit":null,"fda_dv":null,"rda_ai":null,"ul_status":"none_established","population":"general adult","hsa_max_daily":null},"ul_status":"none_established","sg_class":null,"cautions":["warfarin or antiplatelet drugs — reported bleeding risk","breastfeeding — lactmed says it is best avoided","photosensitisation and possible carcinogenicity are flagged","not listed in hsa's annexes — that is not a safety clearance"],"clashes":[{"src":["lactmed_dongquai"],"note":"may increase the risk of bleeding","with":"warfarin and antiplatelet drugs"},{"src":["johnson2019"],"note":"interactions flagged alongside anticoagulation and photosensitisation","with":"other medications and herbs"}],"sources":[{"id":"johnson2019","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6419242/","label":"Complementary and Alternative Medicine for Menopause (Johnson et al., J Evid Based Integr Med 2019) — Dong Quai section","quote":"Dong quai was not superior to placebo for the reduction of menopausal symptoms … important safety concerns exist regarding A sinensis, including interactions with other medications and herbs, photosensitization, anticoagulation, and possible carcinogenicity","accessed":"2026-08-27"},{"id":"johnson2019_blend","url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC6419242/","label":"CAM for Menopause — A. sinensis plus chamomile (Climex) trial (Johnson et al. 2019)","quote":"the herbal preparation reported a 73% decreased in hot flushes and a 69% decrease in night sweats, compared with 38% and 29% improvement in the placebo group, respectively","accessed":"2026-08-27"},{"id":"lactmed_dongquai","url":"https://www.ncbi.nlm.nih.gov/books/NBK501804/","label":"LactMed (NIH Drugs and Lactation Database) — Dong Quai","quote":"it may increase the risk of bleeding in patients taking warfarin and antiplatelet drugs and cause photosensitivity reactions. Dong quai is best avoided during breast feeding.","accessed":"2026-08-27"},{"id":"hsa_pr","url":"https://file.go.gov.sg/hsa-chp-prohibited-restricted-ing-guidelines.pdf","label":"HSA — Guidelines on Prohibited and Restricted Ingredients in Health Supplements and Traditional Medicines (Oct 2025, GL-CHPB-1-012)","quote":"The objective of this guideline is to highlight the substances of concern when used in HS and TM and is not meant to be an exhaustive list.","accessed":"2026-08-27"},{"id":"hsa_hs","url":"https://file.go.gov.sg/hsa-hs-guidelines.pdf","label":"HSA — Health Supplements Guidelines (Jan 2026, GL-CHPB-3-001 Rev. 020), Tables 4–5","quote":"HS for use by the general adult population should not contain vitamins and minerals exceeding the stipulated limits stated in Tables 4 and 5.","accessed":"2026-08-27"},{"id":"iherb_sg","url":"https://sg.iherb.com/c/dong-quai","label":"iHerb Singapore — category listing (default order)","quote":"Dong Quai 1 - 17 of 17 results","accessed":"2026-08-27"}],"brand_certs":null,"updated_at":"2026-08-29T16:16:18.585742+08:00"},"disclaimer":"kozen-x is not a medical device and does not give medical advice. it lists what published sources have written down. absence of a record is not the same as safe."}