Calcium Vitamin D3 Tablets an essential mineral for strong teeth and bones. It plays an important role in blood clotting and muscle contraction and helps to maintain a healthy nervous system. Adequate calcium and vitamin D throughout life, as part of a well-balanced diet, may reduce the risk of osteoporosis. It helps build strong bones. Vitamin D helps calcium absorption. Only 1 Tablet 2x per day. Gluten-free.