MAJOR — Use With Caution
DANGEROUS — loss of anticoagulation
Evidence level: STRONG
Charcoal absorbs Eliquis, reducing blood clot protection.
Activated charcoal adsorbs apixaban in GI tract, reducing absorption and anticoagulant effect.
Separate by at least 4 hours or avoid regular charcoal use while on DOACs.
High caution required. Fish oil, vitamin E, and nattokinase all have blood-thinning properties that can amplify Apixaban. CoQ10 and vitamin K can REDUCE warfarin effectiveness. Take at their normal times but inform your prescriber about ALL supplements. Request INR monitoring if starting or stopping any supplement while on an anticoagulant.
Atrial fibrillation, VTE history
Blood clots
Disclose charcoal use to prescriber.
Blood thinners have narrow safety margins. Instead of Activated Charcoal, consider safer options: CoQ10 (with INR monitoring), vitamin D3, or probiotics — these have minimal anticoagulant interactions. Always inform your anticoagulation clinic about any supplements.
Charcoal absorbs Eliquis, reducing blood clot protection.
High caution required. Fish oil, vitamin E, and nattokinase all have blood-thinning properties that can amplify Apixaban. CoQ10 and vitamin K can REDUCE warfarin effectiveness. Take at their normal times but inform your prescriber about ALL supplements. Request INR monitoring if starting or stopping any supplement while on an anticoagulant.
Blood clots
Blood thinners have narrow safety margins. Instead of Activated Charcoal, consider safer options: CoQ10 (with INR monitoring), vitamin D3, or probiotics — these have minimal anticoagulant interactions. Always inform your anticoagulation clinic about any supplements.
Disclose charcoal use to prescriber.
Or browse the full interaction database (121,000+ pairs).