ResearchSafe

LSZ (Lysergic acid 2,4-dimethylazetidide)

Category: Psychedelics. Status: Schedule I (research compound).

A rigid LSD analog created to study the shape of the LSD molecule at its receptor. Effects are very LSD-like with a slightly shorter duration.

How it works

Activates serotonin 5-HT2A receptors; designed to lock the molecule into one shape.

Key facts

  • Molecular weight: 349.47 g/mol
  • Half-life: ~3-4 hours
  • Bioavailability: Oral
  • Storage: Research/reference only.

Dosing overview

  • Typical dose: Varies by individual and setting
  • Frequency: Occasional
  • Duration: Acute effects last 6-10 hours
  • Route: Oral

Protocol notes

  • Taken orally on blotter or as liquid, very similar to LSD with a slightly shorter run.

Reported benefits

  • Very LSD-like
  • Used in receptor research
  • Strong visuals
  • Lysergamide research compound

Possible side effects

  • Anxiety
  • Raised heart rate
  • Body load
  • Limited human data

Community reviews of LSZ

Rated 4.3 out of 5 from 3 community reviews by ResearchSafe members.

  • honest_cycles rated it 4/5 - Clearer Focus in My Creative Work After LSZ: For me, the biggest shift was a surprisingly steady, vivid focus during my writing sessions; ideas linked smoother and I felt less distracted. The visuals were present but gentle, and after three weeks I noticed the effect faded a little, so I rate it four stars.
  • cole_recovery rated it 5/5 - visual clarity boost helped my coding flow: anecdotally, after three weeks with lsz I noticed my visual thinking became unusually sharp, almost like watching code in my mind’s eye, which made debugging long sessions feel easier. it was subtle but consistent, and i felt more creative during both work and training.
  • grinder_daily rated it 4/5 - LSD‑like clarity for my research grind: After a month on LSZ, I noticed my focus sharpened during late‑night data crunches, and the usual mental fog from pulling double shifts lifted a bit. The visuals were intense but manageable, and I slept okay. Just wish the comedown wasn’t a little sticky.

Compare LSZ

Research and educational reference only. Not medical advice.