Psilocybin Psilocybin, the psychoactive compound located in "magic mushrooms," has long been useful for ceremonial and medicinal reasons among Indigenous peoples for millennia. Psilocybin features a hallucinogenic impact on the brain. Several other states have decriminalized these substances, putting them on track for eventual legalization. Under the influence of LSD, https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share