GABA (700mg) 120ct by Pure EncapsulationsWhat Is It? Gamma aminobutyric acid (GABA) is the primary inhibitory neurotransmitter in the central nervous system. Studies indicate that it promotes positive mood, supports relaxation and moderates occasional stress.* Uses For GABA Relaxation and Positive Mood: As the main inhibitory neurotransmitter for the central nervous system, GABA plays a central role in regulating cell to cell communication. Healthy levels have been associated with positive