This product is formulated to help maintain bone density and strength for people of all ages, in order to support optimal bone health throughout your lifetime.** It works by providing your body with an excellent source of the highest quality Calcium available. Before any Calcium is added, it is first assayed for purity and potency by quality control specialists in state-of-the-art facilities. This gives you the assurance that you are getting the best Calcium supplement money can buy.