Dietary Supplement Two Forms of K2 Plus K1 1 Daily Life Extension Super K helps maintain your body’s calcium balance, which affects everything from arterial health to bone density. But it’s hard to get sufficient vitamin K from food. So if you’re trying to maintain bone or arterial health, a vitamin K supplement is a good idea. Promotes bone health by facilitating the transfer of calcium into your bones. Supports vascular health by helping to maintain calcium balance in your arteries. Includes the three kinds of vitamin K commonly found in green veggies, cheeses and meats.