NOW Supplements GABA (Gamma-Aminobutyric Acid) 750mg is a dietary supplement that supports neurotransmitter function. GABA is a non-protein amino acid naturally produced in the body and found in the central nervous system, where it may help promote relaxation and reduce nervous tension. This product is non-GMO, vegetarian, vegan, kosher, and halal. It is manufactured in a GMP Quality Assured facility. Take 1 capsule 1-2 times daily on an empty stomach with water or juice as needed. This product is free from common allergens like wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts, and sesame. Family-owned since 1968.