An important adjunct to your diet, Calcium helps movement of blood, nerve transmission, and secretion of hormones (such as insulin).  Magnesium plays a role in peristalsis (bowel movement), insulin receptors on cell membrane (allowing body to use less insulin to control blood sugar; meaning less is stored as fat), and of course maintaining a proper alkaline acid/base balance.  Calcium and magnesium should always be taken together in proper proportion as they complement and balance out each other.  1 Bottle of 120 capsules.