Look out for indications of mould. If you see any inexperienced mold, white fuzzy mildew, or dim black places (mildew) on the mushroom, tend not to eat it. Don’t stress if the thing is blue staining—This is often widespread in Psilocybe mushrooms and an indicator that the mushrooms have psilocybin.  https://garrettjzoao.blogdiloz.com/32873494/about-psilocybin-chocolate-bars-nyc