Stimulants
Naphyrone (NRG-1)
Street names: NRG-1, Naphthylpyrovalerone, Energy-1
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- MDPV-like intense stimulation
- Euphoria
- Long duration
⚠Key risks
- Pyrovalerone family — compulsive redosing and paranoia
- Heart strain and overheating
- Early 'legal high' that drove the UK's generic ban
✚Overdose signs
- Severe agitation
- Chest pain
- Hyperthermia, hallucinations
Category comparison — Stimulants
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Naphyrone (NRG-1) | Class B | Pyrovalerone family — compulsive redosing and paranoia; Heart strain and overheating | Mostly historical |
| Cocaine | Schedule II | Heart attack/stroke even in young users; Severe addiction — craving cycle | ~$60–$120 per gram |
| Speed (amphetamine paste) | Schedule II | Insomnia, anxiety, paranoia; Heart strain and overheating | ~$10–$40 per gram |
| Methamphetamine | Schedule II | Addiction — among the most addictive drugs known; Meth mouth, skin sores, psychosis | ~$20–$100 per gram |
| Adderall (amphetamine salts) | Schedule II | Dependence and tolerance; Cardiovascular strain | ~$3–$15 per 30 mg tablet |
| Adderall XR | Schedule II | Same as Adderall; long duration masks sleep debt; Beads snorted bypass XR mechanism | ~$5–$20 per 30 mg capsule |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does Naphyrone (NRG-1) look like?
White powder sold as 'NRG-1' legal high around 2010; still resurfaces
What are the signs of a Naphyrone (NRG-1) overdose?
Severe agitation; Chest pain; Hyperthermia, hallucinations Call emergency services immediately.
How addictive is it?
Pyrovalerone family — compulsive redosing and paranoia Dependence can develop with regular use.