Sentinel Calcium Oyster Shell is a dietary supplement that combines 500mg of natural calcium from oyster shells with Vitamin D. Each bottle contains 100 tablets designed to support bone and dental health through optimal calcium absorption and utilization. This supplement provides calcium in the form of calcium carbonate derived from oyster shells, which is well-absorbed by the body. The addition of Vitamin D enhances calcium absorption and supports proper muscle function and nervous system health. This formulation is particularly beneficial for adults over 50, post-menopausal women, those with limited dairy intake, or individuals looking to maintain healthy bone density. The amber glass bottle helps protect the contents and maintain product integrity.