High Quality Content by WIKIPEDIA articles Psilocybin ( /ˌsɪləˈsaɪbɪn/ SIL-ə-SY-bin; alternatively spelled psilocybine) is a naturally occurring psychedelic prodrug, with mind-altering effects similar to those of LSD and mescaline, after it is converted to psilocin. The effects can include altered thinking processes, perceptual distortions, an altered sense of time, and spiritual experiences, as well as adverse reactions such as nausea and panic attacks. Psilocybin is produced by over 200 species of mushrooms, collectively known as psilocybin mushrooms. The most potent are members of the genus Psilocybe, such as P. cubensis, P. semilanceata, and P. cyanescens, but psilocybin has also been isolated from about a dozen other genera.
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