NutriStack
Aspirin Low-Dose and Curcumin Phytosome, a caution.
Curcumin phytosome products may produce higher systemic curcumin exposure than standard turmeric powders and may add antiplatelet effects to low-dose aspirin. Aspirin's platelet inhibition is intentional, but added antiplatelet activity can become risky around procedures or in people with bleeding history. Culinary turmeric is not the same exposure as a phytosome supplement.
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At a glance
- Substances
- Aspirin Low-Dose and Curcumin Phytosome
- Pair type
- Caution
- Evidence (highest tier)
- Emerging
- Source citations
- 2 sources
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Caution · Emerging evidence
Caution
What is happening. Curcumin phytosome products may produce higher systemic curcumin exposure than standard turmeric powders and may add antiplatelet effects to low-dose aspirin. Aspirin's platelet inhibition is intentional, but added antiplatelet activity can become risky around procedures or in people with bleeding history. Culinary turmeric is not the same exposure as a phytosome supplement.
Mechanism. Curcumin inhibits platelet aggregation pathways, and phytosome formulations are designed to improve curcumin bioavailability. Aspirin irreversibly inhibits platelet COX-1, so systemic curcumin exposure may add pharmacodynamic antiplatelet activity.
Recommendation. Avoid high-dose curcumin phytosome with low-dose aspirin if you have bleeding risk factors or an upcoming procedure. Ask your clinician whether to pause the supplement before surgery or dental work.
Sources (2)
- Shah BH, Nawaz Z, Pertani SA, Roomi A, Mahmood H, Saeed SA, et al. Inhibitory effect of curcumin, a food spice from turmeric, on platelet-activating factor- and arachidonic acid-mediated platelet aggregation through inhibition of thromboxane formation and Ca2+ signaling. Biochem Pharmacol. 1999;58(7):1167-1172. PMID 10484074
- Mirzaei H, Shakeri A, Rashidi B, Jalili A, Banikazemi Z, Sahebkar A. Phytosomal curcumin: A review of pharmacokinetic, experimental and clinical studies. Biomed Pharmacother. 2017;85:102-112. PMID 27930973
Stack Score
How this pair moves the number.
Effect on the composite score
If both Aspirin Low-Dose and Curcumin Phytosome 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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