Sentinel Oyster Shell Calcium is a dietary supplement providing 500mg of naturally-sourced calcium from oyster shells per tablet. Each bottle contains 100 tablets and is fortified with Vitamin D to enhance calcium absorption and support bone health maintenance. Key features: • Natural calcium derived from oyster shells • 500mg calcium per tablet • 100 tablets per bottle • Enhanced with Vitamin D for better absorption • Supports bone and dental health • Natural source of calcium carbonate This calcium supplement utilizes calcium carbonate derived from oyster shells, which is well-absorbed by the body. It is particularly beneficial for adults over 50, post-menopausal women, those with limited dairy intake, and individuals concerned about bone density. The addition of Vitamin D helps improve calcium absorption and supports proper muscle function. The supplement comes in an amber bottle with a safety seal to maintain product freshness.