The fat-soluble vitamins are vitamins A, D, E, and K. Each vitamin has unique characteristics and contributes to the overall health of an individual. These vitamins have complex absorption, metabolism, and distribution elements that provide protection to the cells in the body as well as many organs. Fat-soluble vitamins, once ingested and processed, are stored in the body for use. Most fat-soluble vitamins are obtained from fruits, vegetables, nuts, and animals.