Look out for signs of mold. If you see any eco-friendly mold, white fuzzy mold, or dark black spots (mildew) about the mushroom, tend not to try to eat it. Don’t fear if you see blue staining—This is often common in Psilocybe mushrooms and an indicator the mushrooms include psilocybin. https://magicchocolates.co.uk/product/fusion-bar-almond-crush/