Vitamins D3 and K2 have been extensively studied regarding their roles in calcium metabolism.* Research indicates that a synergistic relationship exists between vitamin K2 and vitamin D3, especially in terms of bone strength and cardiovascular health.* While vitamin D3 is recognized for its role in calcium absorption and metabolism, it is vitamin K2 that directs calcium to bones rather than joint spaces and arteries.* This product is formulated with a clinically relevant dose of MK-7, a unique, soy-free form of vitamin K2 that has been shown to promote healthy vascular structures.*