Life Extension Low-dose Vitamin K2, Softgels, 90-Count by Life Extension. $13.50. Promotes Arterial Health and Healthy Bones. Menaquinone-7 (MK-7) 45mcg. Dietary Supplement. This product contains no milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, wheat, yeast, gluten, corn, or rice. Contains no sugar and no artificial sweeteners, flavors, colors, or preservatives. Save 31% Off!