Vitamin d3 5000iu 60 tablet produced by natures aid bulk case of 10 vitamin d3 is carefully blended with organic flaxseed oil delivered in an easy to swallow softgel vitamin d is called the sunshine vitamin because we can usually get it from the suns ultraviolet rays people who live far away from the equator may not make enough vitamin d in their skin during long gloomy winters this vitamin is essential for bone development and is needed for calcium and vitamin c absorption and supports