Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Dong Quai Ingredients & Drug Interactions

by L.A. Naturals

Dong Quai label
See full label image
Liquid Category: Botanical
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Dong Quai against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Major

Dong Quai is a dietary supplement by L.A. Naturals with 1 active ingredient. Its ingredients are commonly taken for menopause symptoms, menstrual cramps and irregular periods, premenstrual syndrome (pms).Based on those ingredients, 163 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are selectively imported Dong Quai. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Dong Quai by L.A. Naturals

Ask about any prescription or over-the-counter medication and we check it for interactions with Dong Quai by L.A. Naturals — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Dong Quai by L.A. Naturals

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 23, 2026

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 1 active ingredient.

This product contains one active ingredient: selectively imported Dong Quai, a traditional Chinese herb. It's supplied as a liquid with grain alcohol and deionized water as inactive ingredients.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Dong Quai's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: women's health and menstrual support.
  • We looked for evidence on: Dysmenorrhea, Menopausal symptoms, Premenstrual syndrome (PMS), menstrual irregularity, hormonal balance, women's wellness.
  • The closest evidence on file: Dong Quai is rated "Insufficient Reliable Evidence To Rate" for Menopausal symptoms (Natural Medicines).
  • Also on file: Dong Quai is rated "Insufficient Reliable Evidence To Rate" for Premenstrual syndrome (PMS), Dysmenorrhea.

The evidence we hold does not establish that dong quai is effective for any of the conditions it's marketed for — iron deficiency anemia, osteoporosis, coronary heart disease, migraine headache, or atopic dermatitis (eczema). All carry a rating of insufficient reliable evidence.

The evidence, ingredient by ingredient Dong Quai

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Dong quai is generally well tolerated when taken by mouth. The most common side effects are burping and flatulence.

It may increase your bleeding risk and cause skin sensitivity to sunlight, so use with care if you're in the sun. The safety data advises against dong quai during pregnancy because it may stimulate the uterus and affect bleeding.

There isn't enough safety information to know whether it's safe while breastfeeding, so it's best avoided. One case of allergic asthma and rhinitis was reported after occupational exposure to dong quai.

Dong quai contains compounds that are carcinogenic in isolation, but whether the amounts in this product pose a cancer risk with long-term or high-dose use is unknown.

Side effects, ingredient by ingredient Dong Quai

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Dong Quai.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 163 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check with your doctor or pharmacist if you take warfarin or any other blood thinners or antiplatelet drugs — dong quai may increase your bleeding risk. Also flag any estrogen-based medications, including hormone replacement therapy or birth control, as dong quai may reduce their effectiveness.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with no established evidence rating for its marketed use. Major medication interactions have been identified, and safety information is well characterized.

Dong quai is marketed for several conditions, but the evidence we hold doesn't show it works for any of them. More importantly, it carries serious interactions with blood thinners and potentially interferes with hormone therapy.

If you take warfarin, other anticoagulants, antiplatelet drugs, or hormone medications, talk with your doctor or pharmacist before starting this product — the bleeding risk alone may rule it out for you.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2014.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Dong Quai, straight from the product label.

Brand L.A. Naturals
Barcode (UPC) 641356040113
Net contents 1 fl. Oz.; 30 mL
Market status On market
Date entered into DSLD Jul 25, 2014
DSLD ID 35021
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years), Kosher
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Dong Quai by L.A. Naturals, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.5 mL
Maximum serving Sizes:
1 mL
Servings per container
30
UPC/BARCODE
641356040113
IngredientAmount% DV
selectively imported Dong Quai0 NP--

Other ingredients: Grain Alcohol, deionized Water

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

SUGGESTED USE: 15-30 drops in water or juice, 2-3 times daily, or as needed.

Shake well before using.

Precautions

WARNINGS: Do not take during pregnancy.

Keep out of the reach of children.

General Statements

Rev 091001 Plant # K-0001604

MADE IN THE USA

FAST ABSORPTION MEDICINAL BOTANICALS SINGLE HERB IN ALCOHOL

333 mg Herb Weight Equivalence

Herb Strength Ratio 1:3

Seals/Symbols

L.a.(TM)

K PARVE

FDA Statement of Identity

DIETARY SUPPLEMENT

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Dong Quai by L.A. Naturals label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Dong Quai label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Dong Quai by L.A. Naturals

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size0.5 mL Dosage formLiquid Servings per container30 Amounts shown are per serving.

Selectively imported Dong Quai

Interacts with
163 drugs
0 NP per serving

Dong Quai is a traditional Chinese herb often called "female ginseng" and is mostly used for menstrual and menopausal complaints. High-quality scienti...

Selectively imported Dong Quai monograph & interactions

Other (inactive) ingredients: Grain Alcohol, Deionized Water. These complete the product’s ingredient list but are not active constituents.

Interaction report

Dong Quai by L.A. Naturals Drug Interactions

Want to check YOUR meds against Dong Quai?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
163Drugs
2 Major 161 Moderate

Ingredients driving the most interactions

selectively imported Dong Quai 163

Individual Drug Interactions

The ingredients in Dong Quai interact with 163 drugs. Click any drug to see the details.

1 of the 1 ingredient in Dong Quai interact with drugs. Each result below shows which ingredient is responsible. selectively imported Dong Quai

Each ingredient & the kinds of drugs it affects

For each ingredient in Dong Quai with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

selectively imported Dong Quai3 drug types · 163 drugs

Warfarin (Coumadin)

Dong quai may increase the risk of bleeding when used with warfarin.
Case reports suggest that concomitant use of dong quai with warfarin can increase the anticoagulant effects of warfarin and increase the risk of bleeding. In one case, after 4 weeks of taking dong quai 565 mg once or twice daily, the international normalized ratio (INR) increased to 4.9. The INR normalized 4 weeks after discontinuation of dong quai.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, dong quai may increase the risk of bleeding when used with anticoagulant or antiplatelet drugs; however, research is conflicting.
Animal studies suggest that dong quai has antithrombin activity and inhibits platelet aggregation due to its coumarin components. Additionally, some case reports in humans suggest that dong quai can increase the anticoagulant effects of warfarin. However, clinical research in healthy adults shows that taking 1 gram of dong quai root daily for 3 weeks does not significantly inhibit platelet aggregation or cause bleeding. Until more is known, use dong quai with caution in patients taking antiplatelet/anticoagulant drugs.

Likelihood Possible Evidence D
Estrogens

Theoretically, dong quai may reduce the effects of estrogens.
Dong quai has estrogenic effects. Theoretically, concomitant use of large amounts of dong quai might interfere with hormone replacement therapy due to competition for estrogen receptors.

Likelihood Possible Evidence D
selectively imported Dong Quai full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Dong Quai, from the product label.

L.A. Naturals

See all L.A. Naturals products
Name
Palko Services
Street Address
4991 W. US Hwy 20
City
Michigan City
State
IN
ZipCode
46360
Pharmacist Counseling Corner

Dong Quai by L.A. Naturals: Common Questions

Does Dong Quai by L.A. Naturals interact with any medications?
Yes. Based on its ingredients, Dong Quai has a known interaction with 163 medications, including 2 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Dong Quai contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take Dong Quai if I'm pregnant or breastfeeding?
The safety data advises against it during pregnancy because it may stimulate the uterus and affect bleeding. There isn't enough safety information to know whether it's safe while breastfeeding, so it's best avoided. Talk with your doctor or pharmacist about whether this product is right for you.
What does Dong Quai do?
Dong Quai is a traditional Chinese herb marketed for iron deficiency anemia, osteoporosis, heart disease, migraines, and eczema. However, the evidence we hold does not establish that it's effective for any of these conditions.
What are the side effects?
Dong quai is generally well tolerated. The most common side effects are burping and flatulence. It may also increase your bleeding risk and make your skin more sensitive to sunlight.
Does Dong Quai interact with blood thinners?
Yes — it's a major concern with warfarin and a moderate concern with other blood thinners and antiplatelet drugs. Dong quai may increase bleeding risk or boost the drug's effects. Do not take this product with blood thinners unless your doctor or pharmacist has cleared it.
Will Dong Quai affect my birth control or hormone replacement therapy?
Possibly. Dong quai has hormone-like effects and may interfere with estrogen-based medications by competing for hormone receptors, potentially lowering their effectiveness. Talk with your doctor or pharmacist before combining them.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Dong Quai is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Dong Quai label
Go deeper

The Full Monographs Behind Dong Quai’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Dong Quai

Interacts with 163 drugs

Dong Quai is a traditional Chinese herb often called "female ginseng" and is mostly used for menstrual and menopausal complaints. High-quality scientific evidence that it works for these use...

Read the full Dong Quai monograph →
Sources

Sources & How We Checked

Dong Quai's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 19 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Dong Quai 19 references
  1. Hirata JD, Swiersz LM, Zell B, et al. Does dong quai have estrogenic effects in postmenopausal women? A double-blind, placebo-controlled trial. Fertil Steril 1997;68:981-6. PubMed
  2. Page RL II, Lawrence JD. Potentiation of warfarin by dong quai. Pharmacotherapy 1999;19:870-6. PubMed
  3. Heck AM, DeWitt BA, Lukes AL. Potential interactions between alternative therapies and warfarin. Am J Health Syst Pharm 2000;57:1221-7. DOI
  4. Eagon PK, Elm MS, Hunter DS, et al. Medicinal herbs: modulation of estrogen action. Era of Hope Mtg, Dept Defense; Breast Cancer Res Prog, Atlanta, GA 2000;Jun 8-11.
  5. Dr. Duke's Phytochemical and Ethnobotanical Databases. Available at: http://www.ars-grin.gov/duke/.
  6. Amato P, Christophe S, Mellon PL. Estrogenic activity of herbs commonly used as remedies for menopausal symptoms. Menopause 2002;9:145-50. PubMed
  7. Shi M, Chang L, He G. [Stimulating action of Carthamus tinctorius L., Angelica sinensis (Oliv.) Diels and Leonurus sibiricus L. on the uterus]. Zhongguo Zhong Yao Za Zhi 1995;20:173-5, 192.
  8. Hoult JR, Paya M. Pharmacological and biochemical actions of simple coumarins: natural products with therapeutic potential. Gen Pharmacol 1996;27:713-22.. PubMed
  9. Cheong JL, Bucknall R. Retinal vein thrombosis associated with a herbal phytoestrogen preparation in a susceptible patient. Postgrad Med J 2005;81:266-7.. PubMed
  10. Chang CJ, Chiu JH, Tseng LM, et al. Modulation of HER2 expression by ferulic acid on human breast cancer MCF7 cells. Eur J Clin Invest 2006;36:588-96. PubMed
  11. Chuang CH, Doyle P, Wang JD, et al. Herbal medicines used during the first trimester and major congenital malformations: an analysis of data from a pregnancy cohort study. Drug Saf 2006;29:537-48. PubMed
  12. Lau CBS, Ho TCY, Chan TWL, Kim SCF. Use of dong quai (Angelica sinensis) to treat peri- and postmenopausal symptoms in women with breast cancer: is it appropriate? Menopause 2005;12:734-40.
  13. Ellis GR, Stephens MR. Untitled (photograph and a brief case report). BMJ 1999;319:650.
  14. Nambiar, S., Schwartz, R. H., and Constantino, A. Hypertension in mother and baby linked to ingestion of Chinese herbal medicine. West J Med 1999;171(3):152.
  15. Lee, S. K., Cho, H. K., Cho, S. H., Kim, S. S., Nahm, D. H., and Park, H. S. Occupational asthma and rhinitis caused by multiple herbal agents in a pharmacist. Ann.Allergy Asthma Immunol. 2001;86(4):469-474. PubMed
  16. Xu, J. and Li, G. [Observation on short-term effects of Angelica injection on chronic obstructive pulmonary disease patients with pulmonary hypertension]. Zhongguo Zhong Xi Yi Jie He Za Zhi 2000;20(3):187-189.
  17. Scott, G. N. and Elmer, G. W. Update on natural product--drug interactions. Am J Health Syst.Pharm 2-15-2002;59(4):339-347. PubMed
  18. Circosta, C., Pasquale, R. D., Palumbo, D. R., Samperi, S., and Occhiuto, F. Estrogenic activity of standardized extract of Angelica sinensis. Phytother.Res. 2006;20(8):665-669.
  19. Fung FY, Wong WH, Ang SK, et al. A randomized, double-blind, placebo- controlled study on the anti-haemostatic effects of Curcuma longa, Angelica sinensis and Panax ginseng. Phytomedicine. 2017;32:88-96. PubMed

See these in context on the Dong Quai monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team