SAFE — No Known Interaction
🟢 SAFE — Vitamin K2 and Apixaban can be taken together safely.
Evidence level: MODERATE
Vitamin K2 and Apixaban are generally safe to take together. Apixaban is a blood thinner, so it's always important to mention ANY new supplement to your doctor. However, Vitamin K2 is not known to affect bleeding risk or blood thinner metabolism.
No clinically significant interaction between Vitamin K2 and Apixaban has been documented in medical literature or FDA drug labeling.
While Vitamin K2 and Apixaban appear safe together, patients on Apixaban should ALWAYS check with their anticoagulation clinic before starting Vitamin K2. Even supplements considered safe warrant a conversation when you're on blood thinners. Keep a consistent diet and supplement routine to maintain stable INR levels.
Critical: Vitamin K directly counteracts warfarin. If on warfarin, keep vitamin K intake CONSISTENT (don't suddenly eat more or less green vegetables). Vitamin E at high doses (>400 IU) has blood-thinning properties that amplify anticoagulant effects. Take each at their normal times but maintain dietary consistency week to week.
Higher risk for: elderly patients, those with liver disease, history of GI bleeding, concurrent use of multiple blood thinners, recent surgery, vitamin K intake changes, alcohol use, or low body weight.
Monitor for signs of altered bleeding when combining Vitamin K2 with Apixaban. Watch for: unusual or easy bruising, blood in urine or stool, prolonged bleeding from minor cuts, frequent nosebleeds, bleeding gums, or heavy menstrual periods. Have your INR or clotting times checked more frequently when starting or stopping this combination. When to seek emergency help: Severe bleeding that does not stop, blood in vomit, sudden severe headache, vision changes, confusion, or weakness on one side of the body (possible internal bleeding or stroke).
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
Vitamin K2 and Apixaban are generally safe to take together. Apixaban is a blood thinner, so it's always important to mention ANY new supplement to your doctor. However, Vitamin K2 is not known to affect bleeding risk or blood thinner metabolism.
Critical: Vitamin K directly counteracts warfarin. If on warfarin, keep vitamin K intake CONSISTENT (don't suddenly eat more or less green vegetables). Vitamin E at high doses (>400 IU) has blood-thinning properties that amplify anticoagulant effects. Take each at their normal times but maintain dietary consistency week to week.
Monitor for signs of altered bleeding when combining Vitamin K2 with Apixaban. Watch for: unusual or easy bruising, blood in urine or stool, prolonged bleeding from minor cuts, frequent nosebleeds, bleeding gums, or heavy menstrual periods. Have your INR or clotting times checked more frequently when starting or stopping this combination. When to seek emergency help: Severe bleeding that does not stop, blood in vomit, sudden severe headache, vision changes, confusion, or weakness on one side of the body (possible internal bleeding or stroke).
Safe combination at standard doses. Continue your medication as prescribed. Inform your doctor or pharmacist that you are using both, so they can monitor for any changes over time.
No urgent need to discuss, but always keep your doctor informed of your full supplement and medication list. An up-to-date list helps them make the best treatment decisions.
Or browse the full interaction database (121,000+ pairs).