GHB Liquid for sale | Order Gamma-hydroxybutyrate (GHB) GHB Liquid for sale, Gamma-hydroxybutyrate (GHB), also known chemically as 4-hydroxybutanoic acid, is a central nervous system depressant. It occurs in small amounts naturally in the human body and is structurally related to the neurotransmitter gamma-aminobutyric acid (GABA). Its molecular formula is C₄H₈O₃. Synthetic GHB was first prepared in the 1960s and …