CanPrev Vitamin K2 - A fat soluble vitamin essential for normal blood clotting and bone metabolism. Clinical research has demonstrated significant protection of bone strength with the K2 form of vitamin K. CanPrev K2Vital is the Menaquinone-7 (MK-7) form of Vitamin K2 and an effective activator of osteocalcin, the protein essential for calcium deposition in bone. It works synergistically with vitamin D to help influence mineral strength in bones and teeth.