GHB lIQUID Available for sale gamma-Hydroxybutyric acid or ?-Hydroxybutyric acid (GHB), also referred to as 4-hydroxybutanoic acid, is a Normally occurring neurotransmitter in addition to a psychoactive drug. It is just a precursor to GABA, glutamate, and glycine in specific Mind regions. It functions about the GHB receptor and it is a weak agonis