GABA Capsules from ZEC + Nutrition GABA capsules contain gamma-aminobutyric acid (abbreviated: GABA or gamma amino butyric acid) and are still a relatively new supplement in the field of sports nutrition, which is one of the ergogenic active ingredients ( ergogenic) that increase performance and well-being. They serve perfectly legal ways. GABA capsules are compatible with sports, fitness and bodybuilding and, as an approved food supplement, are ideal to take after a high level of physical activity and before bed. becomes. How to use: Take 4 capsules 30 minutes before going to bed.