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(Also known as G, Gina, Liquid E, Liquid X, Blue Verve, Charisma, Gamma-O)
GHB (Gamma-hydroxybutyrate) and GBL (Gamma-butyrolactone) are substances commonly used in chemsex and club settings for their relaxing, euphoric, and pro-sexual effects. While some use them to feel more confident, connected, or to “come down” after stimulants, dose control is critical — small changes can quickly lead to overdose.
How It Works in the Body
GHB/GBL is primarily a central nervous system (CNS) depressant, but at low doses, it can cause mild stimulant-like effects.
| Effect Stage | Timeline |
|---|---|
| Onset | 15 – 20 minutes |
| Peak effects | 30 – 60 minutes |
| Duration | 3 – 4 hours |
| Half-life | 20 – 30 minutes |
| Urine Detection | Usually undetectable after 12 hours |
Most of the substance is broken down and exhaled — only a small amount remains in urine unless in overdose situations.
BDO are known to have longer onset time and easier to cause overdosed reaction.
How GHB/GBL Is Used
The most common method is drinking — G is usually mixed into juice or soda to mask the salty taste. People often measure doses in milliliters (mL).
| Route | Notes |
|---|---|
| Oral (most common) | Mixed in drinks, salty taste, measured by mL |
| Snorting | Rare – GHB is usually a liquid |
| Injection | Very rare – High risk of overdose and infections |
| Mucosal | Fast absorption (e.g. rectal), but significantly raises overdose risk. |
G is extremely dose-sensitive. A dose that feels good one day might feel too strong the next.
Desired Effects
People use GHB/GBL for different reasons — to feel good, let go of inhibitions, or connect sexually. Some also use it to ease anxiety or help come down from stimulants like meth.
| Dose Range | Common Effects |
|---|---|
| Low (0.5–1.5 mL) | Euphoria, relaxation, sociability, confidence |
| Moderate (1.5–2.5 mL) | Disinhibition, increased libido, dizziness, nausea |
| High (2.5+ mL) | Deep sedation, confusion, blackouts, vomiting, loss of consciousness |
Disclaimer: This post is intended to provide information on s for harm reduction purpose. It does not advocate for or promote the use of any illicit substances
