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Harmaline vs Psilocybin

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

Comparison table

AttributeHarmalinePsilocybin
Full nameHarmaline (harmala alkaloid)Psilocybin (from psilocybin mushrooms)
CategoryPsychedelicsPsychedelics
StatusNatural alkaloid; research compoundSchedule I (FDA Breakthrough Therapy for depression)
MechanismInhibits the enzyme MAO-A, which lets oral DMT work; also has mild psychedelic and sedative effects of its own.Converted in the body to psilocin, which activates serotonin 5-HT2A receptors in the brain. This temporarily loosens rigid thinking patterns and increases connectivity between brain networks.
Molecular weight214.26 g/mol284.25 g/mol
Half-lifeSeveral hours~2-3 hours (psilocin)
BioavailabilityOralOral
Typical doseVaries by individual and setting10-30 mg in clinical trials
FrequencyOccasionalOne to a few supervised sessions
RouteOralOral, in a supervised therapeutic setting

Harmaline reported benefits

  • Enables oral DMT (ayahuasca)
  • Studied in ethnobotany
  • Natural harmala alkaloid
  • Dreamy effects at higher doses

Psilocybin reported benefits

  • Studied for treatment-resistant depression
  • Eases anxiety in life-threatening illness
  • Explored for alcohol and tobacco addiction
  • Often produces durable improvements after few doses

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Research and educational reference only. Not medical advice.