Look out for signs of mold. If you see any environmentally friendly mold, white fuzzy mold, or dark black places (mildew) to the mushroom, tend not to take in it. Don’t be concerned if you see blue staining—That is popular in Psilocybe mushrooms and an indicator the mushrooms comprise psilocybin. https://magicchocolates.co.uk/product/polkadot-strawnana-chocolate/