GABA (Gamma-Aminobutyric Acid), an amino acid and a key inhibitory neurotransmitter, may help support a calm mind as well as muscle relaxation. Neurotransmitters are chemical messengers that carry information between nerve cells or from nerve cells to other target cells. GABA is synthesized in the body from glutamic acid where its function is to have an inhibitory effect on the firing of neurons.

Source Naturals GABA Gamma-Aminobutyric Acid 750 mg - 45 Tablets GABA (gamma-aminobutyric acid) is an amino acid derivative and a key inhibitory neurotransmitter. Neurotransmitters are chemical messengers that carry information between nerve cells or from nerve cells to other target cells. GABA is synthesized directly from glutamic acid.GABA has an inhibitory effect on the firing of neurons and supports a calm mood.