Koncentrated K - 60 CapsulesKoncentrated K Vitamin K is one of the least recognized but most indispensable vitamins in the human body, and it appears that many people are deficient. Vitamin K1 is typically known for its role in blood clotting, but as you will read, the research indicates it is vital to the healthy functioning of many bodily tissues. Vitamin K2 is a subgroup of the K family, and research has identified two types of vitamin K2, Mk7 and Mk4, to be highly beneficial