Nature’s Field Super Calcium +D3 combines Calcium (600mg) and Vitamin D3 (400iu)  to promote bones and teeth health and help reduce the risk of osteoporosis. Calcium and vitamin D are crucial components of good bone health. Calcium is the principal mineral that makes bones strong and people need enough vitamin D3 to help get calcium absorbed into the bones. It is also important for muscle contraction, nerve transmission, and blood clotting. Calcium is vital for building strong bones and teeth. Calcium is also needed for muscle function, nerve function, the release of hormones and to help the functions of many enzymes in the body. Vitamin D3 regulates calcium absorption. Regular exercise and a healthy diet with enough calcium can help reduce the risk of osteoporosis.