Source Naturals, Serene Science®, GABA, 750 mg, 180 Capsules

Source Naturals Serene Science® GABA provides 180 capsules, each containing 750 mg of gamma-aminobutyric acid. GABA is the primary inhibitory neurotransmitter in the central nervous system, helping to regulate neuronal excitability. This amino acid derivative is produced naturally in the body from glutamate. Source Naturals offers this supplement as part of their Serene Science line in capsule form. GABA cannot cross the blood-brain barrier efficiently when taken orally.