The Ultimate Manual to GBL: Gains, Employs, and Security Strategies ???? ???? Precisely what is GBL? GBL (Gamma-Butyrolactone) is actually a chemical compound greatly Utilized in industrial and pharmaceutical purposes. This is a precursor to GHB (Gamma-Hydroxybutyrate), a compound noted for its sedative and euphoric effects. GBL is usually present… Read More