NutriStack
Ibuprofen and Turmeric/Curcumin, a caution.
Concentrated turmeric/curcumin may add antiplatelet effects to ibuprofen's bleeding risk. Ibuprofen also increases upper GI injury risk, especially with repeated use. The concern is highest with high-dose curcumin products, ulcer history, older age, procedures, or other blood-thinning medicines.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
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At a glance
- Substances
- Ibuprofen and Turmeric/Curcumin
- 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. Concentrated turmeric/curcumin may add antiplatelet effects to ibuprofen's bleeding risk. Ibuprofen also increases upper GI injury risk, especially with repeated use. The concern is highest with high-dose curcumin products, ulcer history, older age, procedures, or other blood-thinning medicines.
Mechanism. Curcumin can inhibit platelet aggregation through thromboxane and calcium signaling pathways. Ibuprofen reversibly inhibits platelet COX-1 and reduces gastric prostaglandin protection, creating additive bleeding potential.
Recommendation. Avoid high-dose curcumin supplements while using ibuprofen regularly. If both are used, keep ibuprofen exposure short and watch for bruising, nosebleeds, black stools, or vomiting blood.
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
- Sostres C, Gargallo CJ, Arroyo MT, Lanas A. Adverse effects of non-steroidal anti-inflammatory drugs (NSAIDs, aspirin and coxibs) on upper gastrointestinal tract. Best Pract Res Clin Gastroenterol. 2010;24(2):121-132. PMID 20227026
Stack Score
How this pair moves the number.
Effect on the composite score
If both Ibuprofen and Turmeric/Curcumin 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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