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Serotonergic psychedelic · Hallucinogen

1D-AL-LAD

Original Wikipedia articleen.wikipedia.org/wiki/1D-AL-LAD revision used (24 October 2026)

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Overview

1D-AL-LAD, also known as 1-(1,2-dimethylcyclobutane-1-carbonyl)-AL-LAD, is a psychedelic drug of the lysergamide family related to AL-LAD. It is thought to be a prodrug of AL-LAD similarly to how 1D-LSD is a prodrug of LSD. 1D-AL-LAD was encountered online as a novel designer drug in 2023 and 2024. It is said to have a dose of 100 to 300 μg orally, a time to peak effects of 2 to 2.5 hours, and a duration of 12 hours. The drug is said have "half the intensity" of LSD, with its effects including psychedelic visuals among others. Although 1D-AL-LAD has reported to have been sold, some or all of the sold product appears to have actually been mislabeled 1T-AL-LAD. 1D-AL-LAD is not an explicitly controlled substance in the United States or in Canada.[1–5] WP

Drug class

Serotonergic psychedelic Hallucinogen WP

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Chemistry

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Harm reduction information

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Sources

  1. Other 1D-AL-LAD
  2. Journal / agency Okada Y, Segawa H, Yamamuro T, Kuwayama K, Tsujikawa K, Kanamori T, Iwata YT. Synthesis and analytical characterization of 1-(2-thienoyl)-6-allyl-nor-d-lysergic acid diethylamide (1T-AL-LAD). Drug Testing and Analysis. April 2025. doi:10.1002/dta.3747 · PMID 38922764
  3. Journal / agency Tanaka R, Kawamura M, Ito M, Kikura-Hanajiri R. Identification of two lysergic acid diethylamide analogs, 1-(3-(trimethylsilyl) propionyl) lysergic acid diethylamide (1S-LSD) and 1-(2-thienoyl)-6-allyl-nor-d-lysergic acid diethylamide (1T-AL-LAD), in paper sheet products distributed on the internet. Forensic Toxicology. July 2025. doi:10.1007/s11419-025-00718-3 · PMID 40180768
  4. Other Orange Book: List of Controlled Substances and Regulated Chemicals (January 2026). January 2026
  5. Other Controlled Drugs and Substances Act. 5 December 2025

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