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
CautionInsufficient evidence
What is happening. Fish oil may modestly increase bleeding or bruising tendency, which matters around wounds, procedures, or injections.
Mechanism. Additive bruising concern around invasive use.
Recommendation. Pause nonessential bleeding-risk supplements before procedures according to clinician guidance.
Stack Score
How it moves the number.
Effect on the composite score
If both Fish Oil and Thymosin Beta-4 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- 1Ruff D et al. IV thymosin beta4 healthy volunteer study. Ann N Y Acad Sci. 2010.Needs sourceNo link