What is vitamin K?

Vitamin K plays a key role in helping the blood clot, preventing excessive bleeding. WebMD tells you where to find it. read more

Vitamin K1 is the main form of vitamin K supplement available in the U.S. Recently, some people have looked to vitamin K2 to treat osteoporosis and steroid-induced bone loss, but the research is conflicting. read more

Vitamin K is a fat-soluble vitamin that is most well known for the important role it plays in blood clotting. However, vitamin K is also absolutely essential to building strong bones, preventing heart disease, and crucial part ofother bodily processes. read more

Vitamin K is a group of structurally similar, fat-soluble vitamins that the human body requires for complete synthesis of certain proteins that are prerequisites for blood coagulation (K from Koagulation, Danish for "coagulation") and which the body also needs for controlling binding of calcium in bones and other tissues. read more