GABA (gamma-Aminobutyric acid) is an amino acid that acts as the main inhibitory neurotransmitter in our brain. It is also responsible for keeping all the other neurotransmitters in check. Our brains need a balance of both excitement and inhibition. An unstable balance, or too much excitation will lead to restlessness, insomnia and irritability. GABA helps to balance this out, naturally.

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