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G
GHB / GBL

GBL (gamma-butyrolactone)

Street names: GBL, Liquid gold, Blue nitro, Firestrip

GBL (gamma-butyrolactone) — Clear liquid with chemical/cologne smell; industrial solvent

What it does

  • Converts to GHB in the body — euphoria, sedation

Key risks

  • Stronger and faster than GHB; dosing even more unforgiving
  • Caustic — burns mouth/esophagus undiluted
  • Severe dependence with life-threatening withdrawal

Overdose signs

  • Deep unconsciousness
  • Slow breathing
  • Incontinence

📋Quick facts

Also known asGBL, Liquid gold, Blue nitro, Firestrip
CategoryGHB / GBL
Schedule / classSchedule I (US, 2000); controlled UK/EU/AU
AppearanceClear liquid with chemical/cologne smell; industrial solvent
Street price~$50–$150 per liter (industrial-sourced)
Legal statusSchedule I (US); Class B UK; controlled EU/AU/CA — industrial chemical restrictions apply
Last updated2026-09-12
Sources: EMCDDA, NIDA, Home Office

Category comparison — GHB / GBL

SubstanceClassTop risksStreet price
GBL (gamma-butyrolactone)Schedule IStronger and faster than GHB; dosing even more unforgiving; Caustic — burns mouth/esophagus undiluted~$50–$150 per liter
GHB (gamma-hydroxybutyrate)Schedule I/IIIDose curve is razor-thin — 1 mL too much = coma; Frequent dosing needed (90-min half-life) → dependence and brutal 24/7 withdrawal~$5–$20 per dose
GHB LiquidSchedule IConcentration unknown — strength varies bottle to bottle; Mixing with alcohol frequently fatal~$60–$150 per 100 mL
GHB PowderSchedule IDissolving errors → misdosing; Hygroscopic powder clumps — uneven concentration~$40–$120 per 50 g where found
Street prices are regional estimates. Potency and cuts vary constantly — see our pressed pill guide.