Psilocybin

Psilocybin{{efn|Synonyms and alternate spellings include: 4-PO-DMT (PO: phosphate; DMT: dimethyltryptamine), psilocybine, psilocibin, psilocybinum, psilotsibin, psilocin phosphate ester, and indocybin. is a naturally occurring psychedelic prodrug compound produced by more than 200 species of mushrooms, collectively known as psilocybin mushrooms.