This scientifically designed supplement contains 200 grams of Myo-Inositol in a 100 percent natural crystalline form. Inositol is a nutrient that is involved in a number of biological processes, including nerve guidance, proper formation of cell membranes, serotonin activity modulation, insulin signal transduction and the transport of fats within the body.† Contains no gluten, corn, wheat, soy, yeast, sugar, starch or artificial colors, sweeteners or preservatives.