Certified Naturals Plant-Source Calcium Magnesium and K2 is designed to support bone health and for preventing osteoporosis. It is known that the bones, muscles, nails and the mind need calcium to stay in shape. It is an important mineral for the optimal functioning of many-body systems and a building block in our bones and teeth. It also protects the body from heavy metal toxicity by competing for absorption against lead. On top of that, calcium also lowers cholesterol by inhibiting plaque formation, lowers blood pressure, by ensuring the proper functioning of the arterial muscles. This formula also contains magnesium which plays an important role in every cell in the bodies with many relaxing effects. It is an essential mineral for all known living organism and also an important mineral for cardiovascular health.