Emulsified Vitamin D from TriStar is made especially for those of us that have difficulties absorbing Vitamin D from the gastrointestinal tract. With the micro emulsified form it converts a fat soluble vitamin into a water soluble form allowing everyone to achieve successful absorption. TriStar's Emulsified Vitamin D can be used to assist with many health concerns including: depression, calcium absorption, rickets, osteoporosis, heat disease, and immune system support, as well as many others.