Aids in Metabolism of Minerals Antioxident Inositol hexaphosphate IP6 is a chemical found in beans, brown rice, corn, sesame seeds, wheat bran, and other high-fiber foods. It is converted into closely related compounds in the body that are used by all cells to relay outside messages to the cell nucleus. It also aids the body in its use metabolism of calcium and other minerals. Many high-fiber food sources contain IP6, and it is also available in pill form as a dietary supplement combining inositol and IP6. Scientists do not know enough about the chemical to recommend a standard supplement dose. It is not known whether taking a supplement provides the same effect as getting it from food sources.