Psilocybin Psilocybin, the psychoactive compound located in "magic mushrooms," has been employed for ceremonial and medicinal functions among Indigenous peoples for millennia. Psilocybin provides a hallucinogenic effect on the Mind. LSD is actually a thoughts-altering drug. It is assumed LSD causes its characteristic hallucinogenic results via interaction with the serotonin https://www.tumblr.com/lsdvibes/757469329295048704/historyoflsd?source=share