Psilocybin & Psilocin are 2 natural active substances that exist in approximately 200 different mushrooms. After ingestion of psilocybin, the body turns this substance to psilocin, which has a very strong psychoactive effect.
The well known Swiss Scientist, Albert Hofmann, ( who discovered LSD ), was the first one to isolate the compounds psilocybin & psilocin in the laboratory. He did this in 1958 and used the mushroom strain "Psilocybe mexicana" that was artificially bred for this purpose.
Molecular structure of psilocybin and psilocin:
The most well known mushrooms with the compounds psilocybin and psilocin are:
Psilocybe cubensis, Psilocybe azurescens, Psilocybe tampanensis, Psilocybe mexicana and the Panaeolus cyanescens.
The effect from psilocybin and psilocin takes about 3-6 hours. Read more about the effects from psilocybin and psilocin.