Psychedelics
2C-B-FLY
Street names: 2C-B-FLY, FLY
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- 6–8 h psychedelic: visuals, euphoria, empathy
- Smoother than 2C-B, longer
⚠Key risks
- Overdose/overwhelming experiences at higher doses
- Vasoconstriction — cold extremities, BP rise
- Little human data — the FLY compounds are less studied than 2C-B
- Sold as '2C-B' sometimes — dosing confusion
✚Overdose signs
- Extreme agitation, hallucinations
- Hypertension
- Hyperthermia
📋Quick facts
Also known as2C-B-FLY, FLY
CategoryPsychedelics
Schedule / classSchedule I (US); controlled EU
AppearancePellets or powder; benzodifuran analogue of 2C-B
Street price~$10–$25 per pellet
Legal statusSchedule I US; controlled UK/EU
Last updated2026-09-17
Sources: DEA, EMCDDA
Category comparison — Psychedelics
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| 2C-B-FLY | Schedule I | Overdose/overwhelming experiences at higher doses; Vasoconstriction — cold extremities, BP rise | ~$10–$25 per pellet |
| 2C-B | Schedule I | Very dose-sensitive — steep curve between fun and overwhelming; Panic attacks | ~$10–$30 per pill or ~$50–$120 per gram |
| MDMA | Schedule I | Overheating + dehydration (or fatal water intoxication); Serotonin depletion — multi-day comedown | ~$10–$40 per pill |
Street prices are regional estimates. Potency and cuts vary constantly.
?Frequently asked questions
What does 2C-B-FLY look like?
Pellets or powder; benzodifuran analogue of 2C-B
What are the signs of a 2C-B-FLY overdose?
Extreme agitation, hallucinations; Hypertension; Hyperthermia Call emergency services immediately.
How addictive is it?
Overdose/overwhelming experiences at higher doses Dependence can develop with regular use.