Watch out for signs of mildew. If you see any green mold, white fuzzy mould, or dim black spots (mildew) within the mushroom, usually do not try to eat it. Don’t be concerned if you see blue staining—this is typical in Psilocybe mushrooms and an indicator the mushrooms incorporate psilocybin.  https://bookmarkinglife.com/story4740566/the-2-minute-rule-for-psilocybin-chocolate-bar-reddit