The human body is a piece of hardware that is properly constructed and planned to last a lifetime. With Biotech USA's unique formula you will not only get 1000 mg of calcium per serving, but also important cofactors such as zinc, magnesium, copper and boron.Contributes to the maintenance of normal muscles, bones and teeth: Calcium + MagnesiumContributes to normal neurotransmission: Magnesium + Copper Contributes to normal hair, nails and skin: Zinc Antioxidation: Zinc Nutritional supplements should not replace a balanced and varied diet and a healthy lifestyle.