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 300üg orally, a time to peak effects of 2 to 2.5hours, and a duration of 12hours. 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.