Since 1932 Innovative Quality Dietary Supplement 1 Daily Gamma Amino Butyric Acid Relaxation FormulaClear QualityDiscussion: Gamma Amino Butyric Acid (GABA), discovered in 1950, is a neurotransmitter found in the brain. It is made in the brain from the amino acid glutamate, with the aid of Vitamin B-6. GABA is intended to provide nutritive support for relaxation. KAL GABA is all natural, with no lactose or artificial additives. ActivTab technology guarantees tablet disintegration within 30 minutes according to USP standards.