GBL (gamma-butyrolactone) is an industrial chemical solvent that rapidly converts into GHB (gamma-hydroxybutyrate) once ingested into the body.
| Listed ingredient / strength | Listed as GHB (GBL) |
|---|---|
| Usage |
|
| ⚠️ Effects |
Negative and High-Dose Effects
|
| Texture | Sold as liquid |
| Canadian regulatory status | GHB (GBL) is controlled under Schedule I. Authorized ketamine products are prescription injections; authorized GHB treatment has specific clinical controls. This product is not verified as an authorized formulation. |
Product-specific identity and label claims remain unverified unless stated otherwise.


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