NOW Foods Vitamin K-2 100 mcg (Menaquinone-4, MK-4) supports bone health, cardiovascular function, and nervous system health. As a biologically active form, K-2 aids in healthy bone matrix formation and proper calcium metabolism in arteries. This vegan-friendly supplement is Halal, Kosher, Dairy Free, Egg Free, Gluten Free, Non-GMO, Nut Free, Soy Free, Sugar Free, and made in a peanut-free facility. Natural color variation may occur.