Solgar Calcium, Magnesium and Zinc formula, created by our experts to support healthy bones and muscles, essential to adults of all ages. Also supports healthy musculoskeletal structure and nervous systems. Calcium contributes to: - Normal muscle function - Maintenance of normal bones and teeth Magnesium contributes to: - Normal muscle function - Maintenance of normal bones and teeth - Protection of cells from oxidative stress Zinc contributes to: - Normal metabolism of Vitamin A - Maintenance of normal bones - Protection of cells from oxidative stress