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4-AcO-DMT vs 5-MeO-DMT

A side-by-side research comparison of 4-AcO-DMT and 5-MeO-DMT across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

Attribute4-AcO-DMT5-MeO-DMT
Full nameO-Acetylpsilocin (psilacetin)5-Methoxy-N,N-dimethyltryptamine
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule I (research compound)
MechanismA prodrug converted to psilocin, which activates serotonin 5-HT2A receptors.Strongly activates serotonin 5-HT1A and 5-HT2A receptors, producing rapid and intense changes in consciousness.
Molecular weight246.31 g/mol218.30 g/mol
Half-life~2-3 hoursShort (minutes)
BioavailabilityOralInhaled/injected
Typical doseVaries by individual and settingLow milligram range in clinical studies
FrequencyOccasionalOne to a few supervised sessions
RouteOralInhalation or injection in research settings

4-AcO-DMT reported benefits

  • Psilocybin-like experience
  • More stable and easy to measure
  • Studied as a research psychedelic
  • Classic serotonergic profile

5-MeO-DMT reported benefits

  • Studied for treatment-resistant depression
  • Short duration suits clinical use
  • Explored for anxiety
  • Rapid onset of effects

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Research and educational reference only. Not medical advice.