1Bz-LSD
Overview
1Bz-LSD, also known as 1-benzoyl-LSD or as SYN-L-018, is a psychedelic drug of the lysergamide family related to lysergic acid diethylamide (LSD). It is thought to be a prodrug of LSD. The drug was patented by Lizard Labs in 2024. Subsequently, it was encountered online as a novel designer drug in July 2024. 1Bz-LSD has been sold in the form of blotter tabs and microdots, for instance containing 10 μg and 200 μg doses per unit. A deethylated metabolite, 1Bz-LAE, has been identified. 1Bz-LSD was first described in the scientific literature by 2026. It is not an explicitly controlled substance in the United States or in Canada.[1–6] WP
Drug class
Serotonergic psychedelic Hallucinogen WP
From the Wikipedia article's infobox.
Chemistry
Harm reduction information
No harm reduction data is on file for this compound yet. That means no dose, timing or combination data from PsychonautWiki or TripSit. Please don't guess a dose from similar compounds. If you have taken it and feel unwell, contact emergency services or a poison control center.
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Sources
- Other 1Bz-LSD
- Journal / agency Tanaka R, Kawamura M, Ito M, Kikura-Hanajiri R. Identification and Analysis of Lysergic Acid Diethylamide Analogs, 4-Benzoyl-N,N-Diethyl-7-Methyl-4,6,6a,7,8,9-Hexahydroindolo[4,3-fg]quinoline-9-Carboxamide (1Bz-LSD) and N,N-Diethyl-7-Methyl-4-(4-(Trimethylsilyl)Benzoyl)-4,6,6a,7,8,9-Hexahydroindolo[4,3-fg]quinoline-9-Carboxamide (1-TMSBz-LSD), in tablet or paper sheet products available online in Japan. Drug Test Anal. April 2026. doi:10.1002/dta.70039 · PMID 41709646
- Journal / agency Azuma Y, Asada A, Tanaka M, Doi T. In Vitro Metabolism of 1-Benzoyl-Lysergic Acid Diethylamide (1Bz-LSD) and Identification of a Deethylated Metabolite (1Bz-LAE) Using a Synthesized Reference Standard. Drug Test Anal. April 2026. doi:10.1002/dta.70042 · PMID 41700314
- Other Prodrugs of Substituted Ergolines
- Other Orange Book: List of Controlled Substances and Regulated Chemicals (January 2026). January 2026
- Other Controlled Drugs and Substances Act. 5 December 2025
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