Sentinel Vitamin D3 400 IU is a dietary supplement containing 100 tablets designed to support optimal vitamin D levels. Each tablet provides 400 IU (10 mcg) of vitamin D3 (cholecalciferol), which helps maintain healthy bones and teeth by promoting calcium absorption and supporting immune system function. This supplement is particularly beneficial for individuals who have limited sun exposure or need to maintain healthy vitamin D levels. The tablet format provides a convenient daily dose that can help bridge potential nutritional gaps when used as part of a balanced diet. The bottle comes with a safety seal to ensure product integrity and freshness. As with any supplement, it should be taken as directed by a healthcare professional.