From the databaseWhat the row says.
Every entry follows the same shape: what is happening, the mechanism, and the recommendation.
Scope
Supplement × Supplement
Last verified
June 4, 2026
CautionEmerging evidence
What is happening. Both may increase bleeding concern, especially at higher doses or before surgery.
Mechanism. Potential additive antiplatelet and coumarin-like effects.
Recommendation. Avoid high-dose combination with anticoagulants or before procedures.
Stack Score
How it moves the number.
Effect on the composite score
If both Ginkgo Biloba and Red Clover Isoflavones 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.
SourcesSources, by evidence tier.
Every claim on this page is cited. PMIDs link straight to PubMed.
Reference material
1- 1Hidalgo LA et al. Red clover meta-analysis. Maturitas. 2015.Needs sourceNo link