Vitamin K2 as Menatetrenone MK-4 is the only active ingredient • 240 Servings in Every Bottle • 100mcg of Vitamin K2 in every serving - 1 Serving: Just 1 Capsule •  Stack with zinc and magnesium to assist with Vitamin K absorption. Try to couple vitamins A, D, and K together. Being fat-soluble vitamins that complement each other, these mix well for different aspects of your body's support.