IP-6 Inositol Hexaphosphate 180 tabs from Source NaturalsIP 6 Inositol Hexaphosphate 800 mg Supports Breast, Colon & Prostate Cells IP 6 (inositol hexaphosphate) is a component of certain dietary fibers, particularly most cereal grains, legumes, and seeds high in oil. Many researchers believe some of fiber's health benefits may be due to the antioxidant, immune enhancing, and cardiovascular supporting activities of IP 6. In vitro and animal research has shown IP 6 to have significant protective and growth