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Ayahuasca vs DXM

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

Comparison table

AttributeAyahuascaDXM
Full nameAyahuasca (DMT + MAO inhibitor brew)Dextromethorphan
CategoryPsychedelicsPsychedelics
StatusTraditional/ceremonial; research compoundOver-the-counter cough suppressant (psychedelic at high doses)
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.At high doses it blocks NMDA glutamate receptors, producing dissociation similar to ketamine.
Molecular weightMixture (no single value)271.40 g/mol
Half-lifeSeveral hours (extended by MAO inhibition)~3-6 hours
BioavailabilityOralOral
Typical doseBrew-based, varies by preparationVaries by individual and setting
FrequencyCeremonial or occasional study sessionsOccasional
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

DXM reported benefits

  • Widely studied cough medicine
  • Dissociative effects at high doses
  • Included for awareness
  • Researched for mood (as a combo drug)

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Research and educational reference only. Not medical advice.