Extensive research suggests that Vitamin D may be one of the most important nutrients recommended for supplementation. This essential vitamin not only helps build strong bones, but may also support your immune system, prostate, colon, brain and heart, and promotes healthy aging. Known as Cholecalciferol, Vitamin D3 is a form of Vitamin D that is usually obtained through your diet or from the ultraviolet energy of the sun. But poor diet and lack of sun exposure increasing results in inadequate Vitamin D intake for optimal health. Natrol Vitamin D3 provides you with 2,000 IU of Vitamin D3 per dose, in an easy-to-swallow, strawberry-flavored mini-tab. And this supplement is formulated to dissolve quickly, increasing absorption for speedy results. Go ahead, own your health with Natrol Vitamin D3 Fast Dissolve.