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4-HO-MET vs LSD

A side-by-side research comparison of 4-HO-MET and LSD across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

Attribute4-HO-METLSD
Full name4-Hydroxy-N-methyl-N-ethyltryptamine (metocin)Lysergic acid diethylamide
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule I (research compound)
MechanismActivates serotonin 5-HT2A receptors, similar to other classic tryptamine psychedelics.Activates serotonin 5-HT2A receptors (and others), changing perception, mood and the way brain networks communicate. Effects last much longer than most psychedelics.
Molecular weight218.30 g/mol323.43 g/mol
Half-life~2 hours~3-5 hours
BioavailabilityOralOral
Typical doseVaries by individual and setting100-200 mcg in clinical trials
FrequencyOccasionalOne to a few supervised sessions
RouteOralOral, in a supervised therapeutic setting

4-HO-MET reported benefits

  • Gentle, visual experience
  • Related to psilocin
  • Studied as a research psychedelic
  • Lower body load reported

LSD reported benefits

  • Studied for anxiety in serious illness
  • Explored for depression and addiction
  • Long duration allows deep therapeutic work
  • Renewed clinical research interest

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Research and educational reference only. Not medical advice.