NOW(R) combines two nutrients extensively researched for their benefits for the bones, teeth and cardiovascular system. Vitamin D3 promotes calcium absorption and calcium transport to bones. Recent studies indicate that Vitamin D3 may support healthy insulin action and glucose metabolism and may have a positive impact on immune function. Vitamin K2, likewise, is beneficial in the areas of bone and cardiovascular health. Vitamin K is critical for the formation of a healthy, strong bone matrix. Bone quality is dependent on the presence of adequate Vitamin K. Vitamin K's role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures. 1,000 IU vitamin D3 and 45 mcg vitamin K2 per serving Supports bone health Plus cardiovascular supportNon-GMO