NutriStack
Meloxicam and Turmeric/Curcumin, a caution.
Concentrated turmeric/curcumin may add antiplatelet effects to meloxicam's bleeding risk. Meloxicam can still injure the GI tract with daily use, and curcumin has experimental antiplatelet activity. The concern is higher with high-dose curcumin, 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
- Meloxicam 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 meloxicam's bleeding risk. Meloxicam can still injure the GI tract with daily use, and curcumin has experimental antiplatelet activity. The concern is higher with high-dose curcumin, ulcer history, older age, procedures, or other blood-thinning medicines.
Mechanism. Curcumin inhibits platelet aggregation pathways involving thromboxane and calcium signaling. Meloxicam inhibits prostaglandin synthesis and can reduce gastric mucosal protection, allowing platelet effects to matter more clinically.
Recommendation. Avoid high-dose curcumin supplements if you take meloxicam daily or have bleeding risk factors. Watch for bruising, nosebleeds, black stools, or vomiting blood if both are used.
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 Meloxicam 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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