This Now Foods Gamma-Aminobutyric Acid (GABA) Powder is formulated to support a sense of calm and relaxation. GABA is a principal inhibitory neurotransmitter in the central nervous system, playing a crucial role in regulating neuronal excitability throughout the nervous system. Incorporating this supplement into your routine may assist in promoting a tranquil mental state ideal for winding down or managing daily stressors.