Vitamin K

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Vitamin K benefit

Vitamin K source

Vitamin K deficiency; Deficiency - vitamin K

Vitamin K deficiency is very rare. It occurs when the body can't properly absorb the vitamin from the intestinal tract. Vitamin K deficiency can also occur after long-term treatment with antibiotics.

Individuals with vitamin K deficiency are usually more likely to have bruising and bleeding.

Review Date: 01/02/2007
Reviewed By: William McGee, M.D., M.H.A., Assistant Professor of Medicine and Surgery, Tufts University School of Medicine, Boston, MA, and Chairman, Nutrition Committee, Baystate Medical Center, Springfield, MA. Review provided by VeriMed Healthcare Network.