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Psilocybin vs Salvinorin A

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

Comparison table

AttributePsilocybinSalvinorin A
Full namePsilocybin (from psilocybin mushrooms)Salvinorin A (Salvia divinorum)
CategoryPsychedelicsPsychedelics
StatusSchedule I (FDA Breakthrough Therapy for depression)Varies by region; research compound
MechanismConverted 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.Activates kappa-opioid receptors (not serotonin receptors), which makes its effects unlike LSD or psilocybin.
Molecular weight284.25 g/mol432.46 g/mol
Half-life~2-3 hours (psilocin)Very short
BioavailabilityOralOral
Typical dose10-30 mg in clinical trialsVaries by individual and setting
FrequencyOne to a few supervised sessionsOccasional
RouteOral, in a supervised therapeutic settingSmoked, vaporized or held in the mouth

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

Salvinorin A reported benefits

  • Unique kappa-opioid mechanism
  • Very short experience
  • Long traditional Mazatec use
  • Of interest for depression research

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Research and educational reference only. Not medical advice.