GABA, extracted by Yamamori's proprietary manufacturing method, can claim the following functions: (1) improvement of blood pressure, (2) reduction of stress and fatigue, (3) improvement of sleep quality, (4) maintenance of muscle mass, and (4) maintenance of skin elasticity. In particular, it is a liquid type that is easy to process into beverages and seasonings, and it is a reliable domestic GABA that achieves high cost performance by utilizing statue technology.