chemical compound

Psilocybin is a chemical substance. It can cause hallucinations when eaten, and has also been found to reverse psychological conditioning, grow brain cells and heal the brain.[1] It occurs in many kinds of fungi and mushrooms, most notably Psilocybin mushrooms. Most of these are known as psychedelic mushrooms.

Psilocybin was first found in the mushroom Psilocybe mexicana


The substance is used as a recreational drug. It is illegal in many countries.


  1. Kase, Aaron (May 28, 2015). "Study: Psilocybin Mushrooms Stimulate Growth Of New Brain Cells". Retrieved Nov. 4, 2016. Check date values in: |accessdate= (help)