Coenzyme Q10 and Warfarin: Can You Take Them Together?
Here's what FDA drug labeling and NIH supplement data show.
Interaction Found
What happens: CoQ10 is structurally similar to vitamin K and may reduce warfarin's anticoagulant effect.
What to do: Monitor INR closely if starting or stopping CoQ10.
Source: FDA-approved drug labeling and NIH Office of Dietary Supplements fact sheets.
Learn more
Warfarin — full safety profile, side effects, and all known interactions.
Coenzyme Q10 — supplement labels containing this ingredient.
Frequently asked questions
Can I take Coenzyme Q10 with Warfarin?
Monitor INR closely if starting or stopping CoQ10.
What happens if you take Coenzyme Q10 and Warfarin together?
CoQ10 is structurally similar to vitamin K and may reduce warfarin's anticoagulant effect.
What should I do if I take both?
Monitor INR closely if starting or stopping CoQ10. Always consult your healthcare provider before combining supplements and medications.
SafeCheck provides drug interaction information from FDA-approved product labeling (openFDA). This is for informational purposes only and is not medical advice. Always consult your healthcare provider before making medication decisions.