Daily Requirements
How Vitamins Work
Sources of Vitamins
Vitamin A
Vitamin B Complex
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Vitamin Like Substances
History
Vitamin K Center
Vitamin K is fat-soluble and essential for the synthesis of certain proteins necessary for the clotting of blood. Deficiency, though relatively uncommon, results in impaired clotting of the blood and internal bleeding.