Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," is used for ceremonial and medicinal functions amongst Indigenous peoples for millennia. Psilocybin features a hallucinogenic impact on the brain. Albert Hofmann, a researcher with the Swiss chemical enterprise Sandoz, to start with created lysergic acid diethylamide or LSD in 1938. https://medium.com/@LsdWorld/introduction-to-lsd-what-you-need-to-know-e70ffecb3a92