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Moderate· limited-evidence
May be possible under supervision — talk to your prescriber or pharmacist before combining.
Boswellia may have mild antiplatelet effects that increase bleeding risk with warfarin.
Boswellic acids may inhibit platelet aggregation, adding to warfarin's anticoagulant activity.
Source: Natural Medicines Database · Reviewed April 2026
Boswellia + Warfarin (Coumadin): use caution. May be possible under supervision — talk to your prescriber or pharmacist before combining. Boswellia may have mild antiplatelet effects that increase bleeding risk with warfarin.
Boswellic acids may inhibit platelet aggregation, adding to warfarin's anticoagulant activity.
Do not stop either abruptly on your own. Talk to your prescriber or pharmacist promptly — bring this page to your appointment.
Educational information only — not medical advice. Always verify with a healthcare professional.