Dietary supplement in capsule form containing gamma-aminobutyric acid. badge_gluten_free Gluten-free badge_gmo_free GMO-free badge_lactose_free Lactose-free Why do we recommend GABA capsules? 1000 mg of GABA per capsule Sufficient quantity for 30 days Much more than 4 LETTERS GABA is an acronym that refers to a compound called gamma-aminobutyric acid. It is an amino acid derivative formed from glutamic acid, a conditionally essential amino acid.BioTechUSA