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