NutriStack
CautionEmerging evidence
What is happening. High-dose fish oil may add to bleeding tendency with dong quai.
Mechanism. Potential additive antiplatelet effects.
Recommendation. Use standard doses and review before procedures.
Supplement × Supplement·a caution·Emerging evidence
Dong Quai + Fish Oil
Caution
Emerging evidence
High-dose fish oil may add to bleeding tendency with dong quai.
From the database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Pair type
Caution
Evidence
Emerging
Source citations
1
Scope
Supplement × Supplement
Last verified
June 4, 2026
Stack Score
How it moves the number.
Effect on the composite score
If both Dong Quai and Fish Oil are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are at /methodology/stack-score.
Sources
Sources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Hirata JD et al. Dong quai estrogenic effects trial. Fertil Steril. 1997.Needs sourceNo link
Check your full routine
One pair was the worked example.
Drop your supplements and prescriptions into NutriStack and it runs every pair at once: every interaction, synergy, timing rule, and contraindication, each linked to its primary source.