All foods are okay, but do not make big changes to how much or what you eat. Try and keep the same amount of vitamin K in your diet each day. Talk with your provider if you have questions about vitamin K.

Tobacco, such as cigarettes and chewing tobacco.

Certain multiple vitamins and Viactiv ® calcium chews.

Vitamin K can also be found in some nutrition supplements, such as: Other foods that could affect warfarin are beef liver or other animal liver products. The most common foods with high vitamin K are green leafy vegetables such as kale, collard greens, broccoli, spinach, cabbage, and lettuce.įoods with vitamin K that could affect warfarin are listed on the next 2 pages.

Contact your provider if there are sudden or big changes in your diet due to illness.

Check with your provider before making any big changes in your diet.

It is okay to eat foods high in vitamin K.

Eat about the same amount of foods high in vitamin K each day.

Important things to know about vitamin K are:

If you eat less vitamin K, it can raise your INR.

If you eat more vitamin K, it can lower your INR.

It is most important to eat a healthy, consistent, and balanced diet.Ĭertain foods and dietary supplements have vitamin K. Try and keep eating what you normally do. Some foods you eat affect the way warfarin works in your body.

Antidote warfarin