What is 1,4 BD or GBL?
1,4-BD (1,4-butanediol) and GBL (gamma-butyrolactone) are chemicals that are most similar and closely related to GHB. They are often known as ‘precursors’ to GHB because they convert to GHB in the body. They are industrially used as a paint stripper or solvents. Both GBL and 1,4 BD are often sold as GHB, and because they …
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