Metformin and Turmeric

Supplement–drug interaction evidence from the TruthStack database.

SeverityHIGH
Evidence TierModerate
Interaction TypeANTAGONISTIC
MechanismPHARMACODYNAMIC
Last Reviewed2026-02-24
Source Verification
Attestation METHODOLOGY_ATTESTED
Corpus manifest 26b2d684...
Last reviewed 2026-02-24
Primary source 31249528
Live attestation Query API — returns signed DAA ID per request
Data license CC BY 4.0

Summary

Curcumin has documented glucose-lowering effects that may be additive with metformin. Curcumin also inhibits CYP enzymes. FAERS: 750 reports. Monitor blood glucose. Some evidence suggests beneficial combination but requires clinician oversight.

API Reference

GET https://api.truthstack.co/v1/check?c1=metformin&c2=turmeric

Open, unauthenticated. Returns JSON. Developer documentation

Sources

Primary: 31249528

Related Interactions

What this page is and is not. TruthStack is an informational reference database that describes published pharmacological findings. It does not provide medical advice, diagnosis, or treatment recommendations. The information on this page reflects flags in our database and should not replace consultation with a qualified healthcare provider. Always discuss supplement-drug combinations with your prescriber or pharmacist.