NutriStack
Fish Oil and Holy Basil/Tulsi, a caution.
Holy basil has mild antiplatelet activity; combined with fish oil's effect on thromboxane, bleeding risk is theoretically additive.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Fish Oil and Holy Basil/Tulsi
- Pair type
- Caution
- Evidence (highest tier)
- Emerging
- Source citations
- 1 source
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Caution · Emerging evidence
Caution
What is happening. Holy basil has mild antiplatelet activity; combined with fish oil's effect on thromboxane, bleeding risk is theoretically additive.
Mechanism. Holy basil inhibits platelet aggregation in vitro; fish oil reduces thromboxane synthesis.
Recommendation. Use together with awareness; clinical bleeding events from this combination alone are uncommon.
Sources (1)
- Singh S et al. Evaluation of antiinflammatory potential of fixed oil of Ocimum sanctum and its possible mechanism of action. J Ethnopharmacol. 1996
Stack Score
How this pair moves the number.
Effect on the composite score
If both Fish Oil and Holy Basil/Tulsi 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 documented at /methodology/stack-score.
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