Choline & Inositol are B-vitamin-like substances that are essential components of all cell membranes.* Choline supports brain health and is a component of acetylcholine, a neurotransmitter in the brain. Choline also supports fat metabolism in the liver.* Inositol is required for the proper function of the brain and nerves. Inositol is a fundamental ingredient of cell membranes and plays a role in its structure and integrity.*