Gaba (420 mg) SFI Health US 4 Aminobutyrate (GABA): a metabolite and signal with practical significance I want to be clear, this isn't about replacing medication or professional treatment. That is not what this is. This is about a conversation that most people aren't having. Research consistently shows Implications for Altered Glutamate and GABA Metabolism in the Dorsolateral Prefrontal Cortex of Aged Schizophrenic Patients American Journal of Psychiatry