Stay on top of your game with GABA capsules from Swanson Health. GABA, or gamma-aminobutyric acid, is popular in nootropic products and anyone looking to manage a hectic, on-the-go lifestyle. Each capsule provides 500mg of GABA. Stay on top of your game with GABA capsules from Swanson Health. GABA, or gamma-aminobutyric acid, is popular in nootropic products and recommended for anyone looking to manage a hectic, on-the-go lifestyle. Each capsule provides 500mg of GABA. 500mg of GABA per capsule. Useful for managing a hectic on-the-go lifestyle. 100 capsules per pack GABA by Swanson Health contains 500mg of gamma amino butyric acid per capsule. Curious to know more about this product? Click here!