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Ayahuasca vs Mescaline

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

Comparison table

AttributeAyahuascaMescaline
Full nameAyahuasca (DMT + MAO inhibitor brew)Mescaline (from peyote and San Pedro cactus)
CategoryPsychedelicsPsychedelics
StatusTraditional/ceremonial; research compoundSchedule I (research compound)
MechanismThe MAO-inhibiting vine (harmine and related compounds) stops the body from breaking down DMT, allowing an oral psychedelic experience that activates serotonin 5-HT2A receptors.Activates serotonin 5-HT2A receptors, producing long-lasting changes in perception and mood. It is a phenethylamine rather than a tryptamine.
Molecular weightMixture (no single value)211.26 g/mol
Half-lifeSeveral hours (extended by MAO inhibition)~6 hours
BioavailabilityOralOral
Typical doseBrew-based, varies by preparationSeveral hundred milligrams (study and traditional use)
FrequencyCeremonial or occasional study sessionsOccasional or ceremonial
RouteOral brewOral

Ayahuasca reported benefits

  • Studied for treatment-resistant depression
  • Explored for grief and trauma
  • Long history of ceremonial use
  • May produce lasting shifts in outlook

Mescaline reported benefits

  • Long history of ceremonial use
  • Survey data links use to wellbeing
  • Renewed research interest
  • Distinct phenethylamine profile

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Research and educational reference only. Not medical advice.