Atorvastatin and Grapefruit Extract

Supplement–drug interaction evidence from the TruthStack database.

SeverityHIGH
Evidence TierModerate
Interaction TypePHARMACODYNAMIC RISK
MechanismPHARMACOKINETIC
Last Reviewed2026-02-15

Summary

Grapefruit furanocoumarins irreversibly inhibit intestinal CYP3A4. Atorvastatin AUC increases approximately 2.5x. Myopathy risk. Switch to rosuvastatin or pravastatin. Discuss with your prescriber or pharmacist.

API Reference

GET https://api.truthstack.co/v1/check?c1=atorvastatin&c2=grapefruit%20extract

Open, unauthenticated. Returns JSON. Developer documentation

Related Interactions

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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.