1D-LSD
1D-LSD, also known as 1--LSD or as SYN-L-229, is a psychedelic drug of the lysergamide family related to lysergic acid diethylamide. It is believed to be a prodrug of LSD and replaced 1V-LSD in Germany after 1V-LSD became covered by the German NpSG law in 2022.Use and effects
1D-LSD has a dose of 10 to 350μg depending on the intended use, with blotter tabs typically containing 150μg. It is said to be roughly comparable in potency to 1V-LSD. 1D-LSD is said to have a much faster onset than 1V-LSD or LSD but to also have a shorter duration in comparison.Interactions
Chemistry
Analogues
s of 1D-LSD include ALD-52, 1P-LSD, 1S-LSD, 1DD-LSD, 1V-LSD, 1cP-LSD, and 1T-LSD, among others.History
1D-LSD was encountered online as a novel designer drug in October 2022 after 1V-LSD was prohibited in Germany in September 2022.Society and culture
Legal status
Austria
According to the current legal situation, 1D-LSD is neither explicitly mentioned in the nor in the , thus it is neither to be classified as a narcotic drug in the sense of the SV nor as a psychotropic substance in the sense of the PV.1D-LSD is not a controlled substance in Canada as of 2025.Germany
Since the 14 June 2024 1D-LSD are covered by the German NpSG law.1D-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.