Dietary Supplement. Vitamin K2 as MK-7. Super value! Promotes bone and cardiovascular health. Jarrow Formulas MK-7 is made via fermentation by Bacillus subtilus natto. MK-7 (Menaquinone-7) is an enhanced bioactive form of vitamin K2 from Natto that is ten times better absorbed than K1 from spinach. MK-7 is responsible for the carboxylation of specific bone proteins needed for building bone. Also, MK-7 promotes cardiovascular health by helping to maintain arterial elasticity. No wheat, no gluten, no dairy, no egg, no fish/shellfish, no peanuts/tree nuts. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)