Healthy Origins® Vitamin K2 (from Natto) provides Vitamin K2 in its most biologically active form called Menaquinone 7 or MK-7 for short. Vitamin K2 as MK-7 has superior absorption and retention in the body when compared to K1 - the typical supplemental form. Natural Vitamin K2 may help to support bone health, cardiovascular health, calcium metabolism and arterial health.*