Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," has been utilized for ceremonial and medicinal reasons between Indigenous peoples for millennia. Psilocybin features a hallucinogenic effect on the brain. Albert Hofmann, a researcher Using the Swiss chemical business Sandoz, very first developed lysergic acid diethylamide or LSD in 1938. https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share