Yes, Eliquis Can Interact with Supplements
Eliquis (apixaban), a blood thinner that inhibits factor Xa to prevent clots, raises bleeding risk when combined with supplements that affect clotting, platelet function, or drug metabolism.[1] Patients on Eliquis should consult doctors before starting any supplement, as interactions can be serious.
Which Supplements Interact with Eliquis?
Common risky ones include:
- Fish oil, krill oil, and omega-3s: Boost bleeding risk by thinning blood further; studies show increased major bleeding events with anticoagulants.[2]
- Vitamin E: Interferes with platelet aggregation at high doses (>400 IU/day).[1]
- Ginkgo biloba and garlic: Impair clotting; case reports link them to excessive bleeding in warfarin users, with similar risks for Eliquis.[3]
- Ginseng, ginger, and turmeric (curcumin): Have antiplatelet effects; turmeric may enhance anticoagulant activity via CYP3A4 inhibition.[2]
- St. John's wort: Speeds Eliquis breakdown via CYP3A4 induction, potentially reducing effectiveness and clot protection.[1]
Less common: CoQ10, feverfew, and high-dose vitamin K (counteracts Eliquis less than warfarin but can still vary effects).[3]
How Do These Interactions Happen?
Eliquis relies on CYP3A4 metabolism and P-gp transport. Supplements inducing (e.g., St. John's wort) or inhibiting these lower efficacy or amplify bleeding. Herbal antiplatelets directly add to Eliquis's clotting inhibition.[1][2]
What Happens If You Mix Them?
- Increased bleeding: Bruising, nosebleeds, GI bleeds, or hemorrhagic stroke.
- Reduced protection: Stroke or clot risk if Eliquis levels drop.
- Evidence: FDA labels warn of herbals; post-market reports confirm bleeds with fish oil and ginkgo.[1]
Safe Supplements and Tips for Eliquis Users
Most multivitamins or low-dose vitamins (e.g., B12, D under 4,000 IU) pose low risk if no high vitamin E/K. Probiotics and fiber usually safe.[3]
- Check labels for hidden herbs.
- Inform pharmacists/doctors of all supplements.
- Monitor for unusual bleeding; get INR/PT tests if advised.
- Avoid starting new ones without clearance—interactions aren't always predictable.[2]
[1]: FDA Eliquis Label
[2]: Drugs.com Eliquis Interactions
[3]: WebMD Eliquis and Supplements