Psilocybin Psilocybin, the psychoactive compound present in "magic mushrooms," has been used for ceremonial and medicinal functions between Indigenous peoples for millennia. Psilocybin incorporates a hallucinogenic effect on the brain. In its purest variety, LSD appears like a white or colorless crystalline powder, has no odor, and could taste bitter. https://bookmarklinkz.com/story17694620/indicators-on-is-lsd-legal-you-should-know