Nat&Form Gaba 500mg 30 Capsules is a dietary supplement that contains gamma-aminobutyric acid and vitamins B1 and B5, which promote relaxation. GABA, a neurotransmitter naturally secreted by the body, is combined with vitamin B1, which supports the normal functioning of the nervous system, and vitamin B5, which helps maintain normal intellectual performance. 30-day treatment. Dietary supplements should never replace a healthy, varied, and balanced diet and a healthy lifestyle.