Although Vitamin K is historically known for its role in normal blood clotting function, we now know that Vitamin K is also essential to bone, cardiovascular, and nervous system health. As a biologically active form of Vitamin K, K-2 is important for the formation of healthy, strong bone matrix. Vitamin K’s role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures Ingredients Vitamin K2 (as Menaquinone-4) (MK-4) and Alfalfa Powder (Aerial Parts)Free From Not manufactured with wheat, gluten, milk, egg, fish or shellfish ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.