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Psychedelics

4-AcO-DMT (psilacetin)

Street names: 4-Acetoxy-DMT, Synthetic shrooms

4-AcO-DMT (psilacetin) — White/beige powder or fumarate crystals; pressed pellets

What it does

  • Psilocybin-like trip, 4–6 h — visuals, laughter, introspection

Key risks

  • Sold as 'legal mushrooms' — buyers misjudge dose
  • Panic, risky behavior

Overdose signs

  • No known lethal overdose
  • Extreme anxiety, confusion

📋Quick facts

Also known as4-Acetoxy-DMT, Synthetic shrooms
CategoryPsychedelics
Schedule / classAnalogue prosecutions (US); controlled Italy/UK-PSA
AppearanceWhite/beige powder or fumarate crystals; pressed pellets
Street price~$20–$50 per dose
Legal statusAnalogue Act (US); UK Psychoactive Substances Act; scheduled in several EU states
Last updated2026-09-12
Sources: TripSit, EMCDDA, Erowid

Category comparison — Psychedelics

SubstanceClassTop risksStreet price
4-AcO-DMT (psilacetin)Analogue prosecutionsSold as 'legal mushrooms' — buyers misjudge dose; Panic, risky behavior~$20–$50 per dose
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
Street prices are regional estimates. Potency and cuts vary constantly — see our pressed pill guide.