Psychedelic drug The time period "psychedelic" refers to a category of psychoactive substances that produce profound alteration of notion, imagined, psychological state, and conduct. These include vintage psychedelics including LSD, mescaline, psilocybin, DMT, ayahuasca, and peyote; dissociatives like ketamine, nitrous oxide, Alcoholic beverages, and barbiturates; and stimulants like ... https://michaeli134fto1.ouyawiki.com/user