NOW Inositol 500 mg Vcaps is a vegetarian, non-GMO dietary supplement that provides Inositol in its myo-inositol form, a non-essential member of the B-complex family. This nutrient is a fundamental component of all cell membranes, playing a critical role in cellular communication and the metabolism of fatty acids. Highly concentrated in the brain, it supports healthy neurotransmitter signaling, making it an important foundational nutrient for maintaining a natural mood balance. Inositol is also crucial for the proper action of insulin and the maintenance of cellular calcium balance, contributing to overall metabolic and cellular health.