Because of the a lot quicker and even more complete absorption of GBL relative to GHB, its dose-response curve is steeper, and overdoses of GBL are generally much more harmful and problematic than overdoses involving only GHB or one,4-B. GHB is equally a precursor and metabolite on the neurotransmitter GABA https://germaineo506czb3.wikistatement.com/user