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Vitamin K

Coumadin and Vitamin K- (PDF)

The food you eat can affect how your medicine works. Learn about the interaction between Coumadin and vitamin K.

Review Date: January 29, 2013

NIH Office of Dietary Supplements - ODS

Vitamin K

Vitamin K is a fat-soluble vitamin, so it is stored in the body's fat tissue and liver. It is best known for its role in helping blood clot properly. Vitamin K also plays an important role in bone health. Learn more about it.

Review Date: January 29, 2013

Educational Institution--Follow the Resource URL for More Information

Vitamin K: Food Sources

Vitamin K is known as the clotting vitamin because without it, blood would not clot. Some studies suggest that it helps maintain strong bones in older adults. The best way to get the daily requirement of vitamin K is through eating foods such as spinach, kale and cabbage.

Review Date: January 29, 2013

NIH National Library of Medicine - NLM