NOW MK-7 Vitamin K-2 100mcg 60ct Capsules From the Manufacturer Vitamin K is well known for its role in the synthesis of a number of blood coagulation factors and is also important for the formation of strong, healthy bones.* MenaQ7® MK-7 is a unique soy-free, bioavailable form of vitamin K-2 that plays a critical role in arterial health through its ability to support proper calcium metabolism in blood vessels and arteries.*