Solgar's Calcium and Magnesium with Zinc formula supports bone and muscle health, essential for adults of all ages. It also helps maintain a healthy musculoskeletal structure and nervous system. Calcium contributes to: Normal muscle function Maintain healthy bones and teeth Magnesium contributes to: Normal muscle function Maintain healthy bones and teeth Protect cells from oxidative stress Normal functioning of the nervous system Zinc contributes to: Normal metabolism of vitamin A Normal maintenance of bones Protect cells from oxidative stress All Solgar products meet the strictest standards of excellence in the industry. Made from natural ingredients and innovating since 1947, Solgar is the recommended dietary supplement – 98% of Solgar users recommend the brand*. *2017 Global Praxis Online Shopper Survey, with 3,882 vitamin, mineral, and supplement consumers. For adults, take one (1) tablet daily, preferably with a meal. swallow the tablets with water or another beverage. the daily dose expressly recommended for this product should not be exceeded. Food supplements are not a substitute for a varied and balanced diet and a healthy lifestyle.