Psilocybin is the natural active ingredient in more than 200 species of magic mushrooms and truffles.
Human beings have used psilocybin throughout history for spiritual and personal growth purposes. Ancient rock art in Algeria and Spain depicting mushroom use is estimated to be thousands of years old.
Psilocybin is widely regarded as a safe substance. In a 2010 study that ranked the safety of various drugs based on measurements of how a drug harms the individual and others, psilocybin was shown to be the safest out of 20 substances. It was a full 12x safer than alcohol and more than 4x safer than tobacco. Simple factors such as having a guide present and being in a quiet indoor or secluded outdoor area can ensure safety!