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LSD vs Psilocin

A side-by-side research comparison of LSD and Psilocin across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

AttributeLSDPsilocin
Full nameLysergic acid diethylamide4-Hydroxy-DMT (active form of psilocybin)
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule I (research compound)
MechanismActivates serotonin 5-HT2A receptors (and others), changing perception, mood and the way brain networks communicate. Effects last much longer than most psychedelics.Directly activates serotonin 5-HT2A receptors. Psilocybin is a "prodrug" that the body converts into psilocin.
Molecular weight323.43 g/mol204.27 g/mol
Half-life~3-5 hours~1-3 hours
BioavailabilityOralOral
Typical dose100-200 mcg in clinical trialsVaries by individual and setting
FrequencyOne to a few supervised sessionsOccasional
RouteOral, in a supervised therapeutic settingOral

LSD reported benefits

  • Studied for anxiety in serious illness
  • Explored for depression and addiction
  • Long duration allows deep therapeutic work
  • Renewed clinical research interest

Psilocin reported benefits

  • The active form behind psilocybin
  • Studied for depression and anxiety
  • Faster onset than psilocybin
  • Classic serotonergic psychedelic

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Research and educational reference only. Not medical advice.