psilocybine

Psilocybin is a naturally occurring tryptamine found in psychoactive fungi of the genus Psilocybe and at least a dozen other genera. As a prodrug, it is rapidly metabolized to psilocin (4-hydroxy DMT; ), which acts as an agonist of the 5-hydroxy tryptamine (5-HT) receptors 5-HT1A (Ki = 49 nM) and 5-HT2A, HT2B, and 5-HT2C (EC50s = 24, 58, and 30 nM, respectively). This product is classified as a scheduled drug and is intended only for forensic and research applications.