Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," has been utilized for ceremonial and medicinal functions amid Indigenous peoples for millennia. Psilocybin features a hallucinogenic impact on the Mind. LSD remains a Schedule I managed material in the US. However, research within the 1950's to 1970's proposed therapeutic possible https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share