Sentinel Vitamin D 1000 IU is a dietary supplement containing 100 softgel capsules designed to support optimal vitamin D levels. Each softgel provides 1000 IU of vitamin D3 (cholecalciferol) to help maintain bone health, immune function, and calcium absorption. The supplement comes in an amber glass bottle with a tamper-evident seal to ensure product freshness and safety. Vitamin D3 is a fat-soluble vitamin that plays an essential role in calcium absorption, bone mineralization, muscle function, and immune system support. The softgel format helps with optimal absorption. This moderate-strength formulation is suitable for daily supplementation to help maintain healthy vitamin D levels, especially for those with limited sun exposure or increased vitamin D needs.