NOW Inositol 500 mg 100 Veg Capsules provide a vegetarian, non-GMO, and kosher supplement designed to support cellular health and healthy membrane function. This product delivers myo-inositol, the most abundant form of this B-complex nutrient, which is found in all cell membranes, with the highest concentrations in the brain and central nervous system. Myo-inositol plays a critical role in neurotransmitter signaling, supports proper insulin function, aids lipid metabolism, and helps maintain cellular calcium balance, making it a key nutrient for overall cellular and neurological health.