Psilocybin Psilocybin, the psychoactive compound located in "magic mushrooms," has become employed for ceremonial and medicinal purposes among the Indigenous peoples for millennia. Psilocybin has a hallucinogenic impact on the Mind. Serious changes in mood can occur. If taken in large enough doses, the drug provides delusions and Visible hallucinations. https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92