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DMT vs MDA

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

Comparison table

AttributeDMTMDA
Full nameN,N-Dimethyltryptamine3,4-Methylenedioxyamphetamine (sass)
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule I (research compound)
MechanismActivates serotonin 5-HT2A receptors, producing vivid changes in perception. When taken orally in ayahuasca, an MAO inhibitor is needed so it is not broken down too quickly.Releases serotonin, dopamine and norepinephrine and has direct serotonin receptor activity, giving a mix of empathogenic and psychedelic effects.
Molecular weight188.27 g/mol179.22 g/mol
Half-life~10-15 minutes~6-8 hours
BioavailabilityInhaled/injected (very short); oral only with an MAO inhibitorOral
Typical doseControlled dosing in clinical studiesVaries by individual and setting
FrequencyOne to a few supervised sessionsOccasional
RouteInhalation or IV in research; oral as ayahuascaOral

DMT reported benefits

  • Studied for depression
  • Very short experience aids research design
  • Used to study consciousness
  • Long traditional use as ayahuasca

MDA reported benefits

  • More visual than MDMA
  • Empathogen-psychedelic blend
  • Longer-lasting
  • Historic research compound

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Research and educational reference only. Not medical advice.