ResearchSafe

2C-B vs LSD

A side-by-side research comparison of 2C-B and LSD across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

Attribute2C-BLSD
Full name4-Bromo-2,5-dimethoxyphenethylamineLysergic acid diethylamide
CategoryPsychedelicsPsychedelics
StatusSchedule I (research compound)Schedule I (research compound)
MechanismActivates serotonin 5-HT2A receptors. A phenethylamine rather than a tryptamine.Activates serotonin 5-HT2A receptors (and others), changing perception, mood and the way brain networks communicate. Effects last much longer than most psychedelics.
Molecular weight260.16 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

2C-B reported benefits

  • Colorful, gentle visuals
  • Upbeat and sociable
  • Shorter than LSD
  • Well-studied Shulgin compound

LSD reported benefits

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

Related comparisons

Research and educational reference only. Not medical advice.