Natural Vitamin K2 contains pure MenaQ7, the superior form of vitamin K. Vitamin K2 is absorbed more completely, remains in the body longer and supports bones, blood vessels and other soft tissues. MenaQ7 is purified from fermented chickpeas which are naturally rich in vitamin K2. Not just a single vitamin, vitamin K is a family of fat-soluble vitamins with similar structures, but different metabolic properties. Vitamin K2 belongs to the group of vitamin K compounds called "menaquinones" which demonstrate greater bioactivity when compared to vitamin K1 (the ordinary form of supplemental vitamin K). Vitamin K2 is absorbed more completely, remains in the body longer and supports bones, blood vessels and other soft tissues. About Doctors Best Doctors Best was founded in 1990 with the idea to create nutritional supplements rooted in research. From sourcing top-quality ingredients to working with the best manufacturers in the business, their science-based approach to nutrition sets them apart. Today, Doctors Best continue to uphold their founders belief that by trusting in science, good health will follow. They put in the work so you can thrive. Natural Vitamin K2 contains pure MenaQ7, the superior form of vitamin K. Vitamin K2 is absorbed more completely, remains in the body longer and supports bones, blood vessels and other soft tissues.