The good news is that when PHD scientists share their data after performing controlled experiments, it’s very useful. Happy Shrooms are the most common psychedelic mushroom species psilocybe cubensis. The principal active compounds are psilocybin and psilocin. Patients were given all sorts of magic mushrooms, but this one stood out from all the rest. No bad trips and only happy times were documented. So we thought we’d share with you the happiest magic mushroom species of all.