Overdose or emergency? Call now Hotlines · US 911 · UK 999 · EU 112 · AU 000 · IN 112 · 988 (US crisis) Hotlines
2
Psychedelics

2C-B-FLY

Street names: 2C-B-FLY, FLY

⚡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

Category comparison — Psychedelics

SubstanceClassTop risksStreet price
2C-B-FLYSchedule IOverdose/overwhelming experiences at higher doses; Vasoconstriction — cold extremities, BP rise~$10–$25 per pellet
DMT (dimethyltryptamine)Schedule IPsychological distress ('bad trips'); Dangerous behavior if unprepared~$20–$60 per 50–100 mg dose
Peyote (mescaline cactus)Schedule ISevere nausea/vomiting; Psychological distress~$10–$30 per button where sold
Mescaline powderSchedule IHeavy nausea at dose; Panic/psychosis in vulnerable users~$20–$60 per dose
2C-BSchedule IVery dose-sensitive — steep curve between fun and overwhelming; Panic attacks~$10–$30 per pill or ~$50–$120 per gram
4-AcO-DMT (psilacetin)Analogue prosecutionsSold as 'legal mushrooms' — buyers misjudge dose; Panic, risky behavior~$20–$50 per dose
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.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.