Opioids
Valerylfentanyl
Street names: VF, Valeryl fent
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Opioid euphoria and pain relief
- Sedation
⚠Key risks
- Weaker than fentanyl milligram-for-milligram but fatal in naive users
- Found in fake pills and heroin mixes
- Dose impossible to judge by eye
✚Overdose signs
- Slow breathing
- Pinpoint pupils
- Loss of consciousness
Category comparison — Opioids
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Valerylfentanyl | Schedule I | Weaker than fentanyl milligram-for-milligram but fatal in naive users; Found in fake pills and heroin mixes | ~$30–$70/g equivalent |
| Heroin | Schedule I | Extremely addictive — physical dependence in weeks; Overdose: breathing slows or stops | ~$10–$40 per bag |
| Fentanyl | Schedule II | Respiratory depression; Addiction in days | ~$20–$40 per counterfeit pill |
| Fentanyl HCl (powder) | Schedule II / analogue prosecutions | Lab-purity powder is far stronger than street mixes; Weighing errors are fatal | ~$60–$120/gram wholesale equivalent |
| Acetylfentanyl | Schedule I | ~5–15× weaker than fentanyl but still deadly at gram-level mistakes; Frequent cause of cluster overdoses | ~$25–$60/g where found |
| Furanylfentanyl (Fu-F) | Schedule I | Linked to hundreds of fatal overdoses 2016–2018; Potency similar to fentanyl | ~$20–$50/g |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Valerylfentanyl look like?
White/off-white powder
What are the signs of a Valerylfentanyl overdose?
Slow breathing; Pinpoint pupils; Loss of consciousness Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.
How addictive is it?
Weaker than fentanyl milligram-for-milligram but fatal in naive users Dependence can develop with regular use.