K2 Supreme, K2 Vitamin D3 10,000, and K2 Vitamin D3 5000 provide vitamin K2 as menaquinone-7 (MK-7), a highly bioavailable and bioactive form of K2. K2 Vitamin D3 also features vitamin D3 (cholecalciferol), the identical form in which vitamin D is derived in the body from cholesterol and synthesized by sunlight on the skin. Historical use and numerous studies have demonstrated the efficacy of vitamin K supplements for bone and cardiovascular health.*
