LSD
Lysergic acid diethylamide (LSD-25)
8-12 hours
30-90 minutes
classic psychedelic
First synthesized by Albert Hofmann at Sandoz Laboratories i…
- ⚡Intense visual hallucinations and geometric patterns
- ⚡Synesthesia — cross-sensory perception (hearing colors, seeing sounds)
- ⚡Profound time distortion — minutes feel like hours
- ⚡Deep spiritual and philosophical insights
- ⚡Enhanced pattern recognition and creative thinking
- ⚡Ego dissolution at higher doses
- ⚡Emotional amplification — both positive and difficult emotions intensified
- ⚠️Extremely potent — active in microgram doses (100-200mcg typical)
- ⚠️Long duration requires a full-day commitment with no obligations
- ⚠️Can trigger or worsen latent mental health conditions — screen carefully
- ⚠️Rapid tolerance development — ineffective if repeated within days
- ⚠️Set and setting are critical — mindset and environment shape everything
- ⚠️Dangerous interactions with lithium (seizure risk) and MAOIs
No traditional use — LSD is entirely synthetic. It was central to 1950s-60s CIA mind control research (MKUltra), underground psychotherapy in the 1960s, and the counterculture movement led by Timothy Leary. Steve Jobs called it 'one of the most important things in my life.' Francis Crick was reportedly under its influence when he theorized the double helix structure of DNA.
Growing clinical research. Phase 2 trials at multiple institutions for depression, anxiety, and alcohol use disorder. FDA Breakthrough Therapy consideration in progress. Imperial College London and University of Basel are leading research sites.
Schedule I in the US. Class A in UK. Illegal in most countries. Decriminalized for personal use in Portugal and Czech Republic. Research permitted under license in Switzerland, US, and UK.