Nature's Bounty Vitamin D3 2000 IU is a dietary supplement containing 150 rapid release softgels. Each softgel provides 50 mcg (2000 IU) of Vitamin D3, supporting bone strength and immune system health. The supplement comes in an easy-to-swallow softgel form for optimal absorption. This supplement provides Vitamin D3 (cholecalciferol), the most bioavailable form of Vitamin D that the body can easily absorb and utilize. The rapid release softgels are designed to quickly release the vitamin into your system. Vitamin D3 plays a crucial role in calcium absorption, helping to maintain strong bones and teeth. It also supports proper immune system function. The bottle contains 150 softgels, providing a multi-month supply when taken as directed.