OstroVit - Histidine is an amino acid...
AllNutrition - GABA food supplement contains gamma-aminobutyric acid, which has a calming effect.
AllNutrition - GABA food supplement contains gamma-aminobutyric acid, which has a calming effect.
Puritan's Pride - GABA contains an important nervous system inhibitory neurotransmitter, gamma-aminobutyric acid.