It does this by reducing blood clotting proteins made with vitamin K in your liver
Certain foods like leafy vegetables can affect how this medication works
Why Vitamin K Can Be Dangerous If You Take Warfarin
Updated on April 25, 2023 Key takeaways: Vitamin K is a nutrient your body uses to form natural blood clots
Foods high in vitamin K can affect the way Coumadin works in your body
For more information about warfarin and vitamin K, see: Healthy Eating Guidelines for People Taking Warfarin Anticoagulants (Coumadin®) Food Sources of Vitamin K