K1 and Two Form of K2Dietary SupplementBone SupportFoundationalHeart/VesselsGluten Free Helps maintain bone mineral density and supports healthy blood vessels. Thorne's Vitamin K contains three clinically studied forms of vitamin K – vitamin K1, and two forms of vitamin K2 (MK-4 and MK-7). It contains significantly more MK-4 than most other multiple-K products on the market. Vitamin K supports the healthy ability of the blood to clot, promotes healthy arteries, and supports healthy bone density. However, there are three types of vitamin K, and each one is responsible for different benefits. Thorne's Vitamin K is a complete formula that includes vitamin K1 and two forms of vitamin K2. Benefits of Thorne's Vitamin K: Supports the normal and healthy ability of the blood to clotPromotes strong bonesHelps maintain the health and elasticity of arteriesVitamin K "pairs up" with vitamin D in the body to help keep calcium in the bones where it belongs and out of the blood vessels and other soft tissuesProvides the highest quality, clinically studied forms of vitamin K1 and vitamin K2, as MK-4 and MK-7Contains significantly more MK-4 than most products on the market and the MK-7 is MenaQ7,® the form used in the majority of MK-7 research In addition, vitamin K offers nutritional support for oncology patients