Description:Vitamin D3 1000 i.u. 250t is available by DaVinci Laboratories.Vitamin D3 1000 IU is a dietary supplement to promote the body"s absorption of calcium and phosphorous, which are essential for the development and maintenance of healthy teeth and bones. New research suggests that it may support immune system function by supporting healthy cell growth..*These statements have not been evaluated by the F.D.A. This product is not intended to diagnose, treat, cure, or prevent any disease