NATURAL FACTORS - Gaba - 60 Veggie Capsule(s) - NPN: 80080122 Stress-Relax 100% Natural GABA is a naturally sourced form of the important brain compound gamma-aminobutyric acid (GABA). This higher potency formula delivers 250 mg of Pharma GABA® per vegetarian capsule to quickly promote relaxation, reduce nervousness and stress, and restore mental calmness without causing drowsiness.