NOW&ampreg; combines two nutrients extensively researched for their benefits for the bones, teeth and cardiovascular system.&ampnbsp; Vitamin D3 promotes calcium absorption and calcium transport to bones.&ampnbsp; Recent studies indicate that Vitamin D3 may support healthy insulin action and glucose metabolism and may have a positive impact on immune function.&ampnbsp; Vitamin K2, likewise, is beneficial in the areas of bone and cardiovascular health.&ampnbsp; Vitamin K is critical for the formation of healthy strong bone matrix.&ampnbsp; Bone quality is dependent on the presence of adequate Vitamin K.&ampnbsp; Vitamin K's role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures.&ampnbsp; Vitamin K2 is the most biologically active form of Vitamin K.*