1B-LSD
1B-LSD, also known as 1-butyryl-LSD, is a psychedelic drug of the lysergamide family and an acylated derivative of lysergic acid diethylamide which has been sold as a designer drug.Use and effects
Interactions
Pharmacology
Pharmacodynamics
1B-LSD has been found to produce psychedelic-like effects in rodents similarly to LSD, though with only around 1/7 the potency of LSD itself.Chemistry
Analogues
Related compounds include 1cP-LSD, 1P-LSD, 1V-LSD, ALD-52, 1cP-AL-LAD, AL-LAD, ETH-LAD, 1P-ETH-LAD, PRO-LAD, LSM-775, and LSZ, among others.Society and culture
1B-LSD is not a controlled substance in Canada as of 2025.Singapore
1B-LSD is illegal in Singapore. Sweden's public health agency suggested classifying 1B-LSD as a hazardous substance, on June 24, 2019.1B-LSD is not an explicitly controlled substance in the United States. However, it could be considered a controlled substance under the Federal Analogue Act if intended for human consumption.