How Long Do Magic Mushrooms (Psilocybin) Stay in Your System?

The good news with magic mushrooms is that the body metabolizes it very quickly. After around 24 hours, there should be no detectable traces of mushrooms in your urine though it is no longer detectable in the blood in less than 24 hours. How long or short it takes for psilocybin to be excreted from the body will also depend on several factors.