Calcium supports nerve function and bone and muscle health. Vitamin D3 promotes calcium absorption and a healthy immune system. Calcium 500 Plus D3 from 21st Century delivers 500 mg oyster shell calcium and 200 IU vitamin D3 (as cholecalciferol) in each single-caplet serving
Calcium is an important mineral for supporting bone health. Calcium also works to support muscle and nerve function. Vitamin D3 is added to assist with Calcium absorption and as support for the immune system. Adequate Calcium and Vitamin D3 as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life.