Go natural with Twinlab Gaba Plus (1x50 CAP). Gaba-Plus? is a scientifically formulated and synergistic combination of the amino acid derivative GABA (Gamma Amino Butyric Acid), with Inositol and the vitamin Niacinamide.. (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)