Glycerol phosphatidylcholine (GPC) is a water-soluble small molecule substance that exists normally in the human body and is an important precursor for the biosynthesis of acetylcholine, a neurotransmitter. The most important role of GPC is that the choline it produces is a water-soluble vitamin B family, which plays an important role in the brain and nervous system. Studies have shown that GPC plays an important role in the production of certain hormones and neurotransmitters such as acetylcholine and human growth hormone, thereby supporting the function of the brain and nervous system. Commonly used in the direction of brain health, exercise nutrition supplements,