Lysergic Acid Diethylamide

Formula: C20H25N3O

Drug class: Psychedelic

Other names: L, Acid, Lucy, Tabs

Onset of action: 30-40 minutes

Peak: 8-20 hours


LSD (lysergic acid diethylamide) is a semi-synthetic compound first developed in 1938 by Dr. Albert Hofmann at the Sandoz pharmaceutical company in Basel, Switzerland. After Dr. Hofmann first discovered its effects in 1943, LSD quickly became recognized for its possible therapeutic effects. LSD also played a significant role in the discovery of the serotonin neurotransmitter system.

Did you know?

  • From the 1950s through the early 1970s, psychiatrists, therapists, and researchers administered LSD to thousands of people.
  • LSD is known for its ability to catalyze spiritual or mystical experiences and to facilitate feelings of interconnection.
  • MAPS-sponsored study results indicate that LSD-assisted therapy can be safely administered and justifies further research.



See what’s happening in today’s LSD news.

WIRED: Big Tech’s Psychedelics Grift

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