Calcium supports nerve function and bone and muscle health. Vitamin D3 promotes calcium absorption and a healthy immune system. Calcium 500 + D3 from 21st Century delivers 500 mg oyster shell calcium and 200 IU vitamin D3 (as cholecalciferol) in each single-caplet serving.

• Supports healthy bones

• 500 mg calcium and 200 IU vitamin D

• Compare to Os•Cal Calcium+D3