GHB vs GBL
C₄H₈O₃
GHB (gamma-hydroxybutyrate)
Depressants
VS
GBL (gamma-butyrolactone)
Depressants
GHB and GBL are the same experience arriving by different chemistry. GHB is the drug itself; GBL is a prodrug your body converts into GHB — slightly stronger per milliliter, longer-lasting as a liquid, and for years the legal-industrial solvent that fueled the club scene.
GHB vs GBL — side by side
| GHB | GBL | |
|---|---|---|
| What it is | Gamma-hydroxybutyrate — prescription (Xyrem) for narcolepsy, club drug, date-rape drug | Gamma-butyrolactone — industrial solvent (paint stripper) that converts to GHB in the body |
| How it arrives | Dissolved in water — salty, soapy taste | Same conversion; slightly more potent per ml |
| Duration | 1–3 h per dose | 1–3 h, marginally longer |
| Dose curve | Steep — 1 ml too much can mean sleep; 2–3 ml can mean a coma | Same steepness, slightly compressed |
| The compulsion loop | Short duration + euphoria = hourly redosing; dependence forms in weeks | Identical — GBL is often redosed on the same clock |
| Withdrawal | Potentially lethal — like alcohol/benzo withdrawal: seizures, psychosis, ICU territory | Identical, equally dangerous |
| Legal | Schedule I (US); Schedule III for Xyrem; banned in most countries | Scheduled in most countries; remains available as solvent in some |
The verdict
GHB and GBL are interchangeable in effect and identical in danger. The signature risk is the dose window: the gap between 'best night ever' and 'unconscious with breathing depression' is a few milliliters, and it narrows further when combined with alcohol — the mix behind most GHB deaths. Dependence is uniquely fast for a downer, and withdrawal can kill without medical supervision. Of all club drugs, this family demands milliliter-accurate dosing equipment and never, ever mixing.
?Frequently asked questions
Is GBL the same as GHB?
In the body, yes — GBL converts to GHB within minutes. Per milliliter it's slightly stronger, which catches users switching between the two mid-session.
Why is GHB called a date-rape drug?
It's colorless, mostly tasteless in a drink, and causes rapid unconsciousness at high doses. That history is also why possession penalties are severe in most countries.