Buy GHB Gamma Hydroxybutyrate 500ml. Although it’s sometimes referred to as “liquid ecstasy,” buy gamma-hydroxybutyrate, or GHB, is a totally separate substance from ecstasy. is a “party drug.” It results in sensations of relaxation and sociability, exhilaration, and heightened sex-drive. GHB depresses the neurological system and can lead to dependence.