My son, who is coeliac and has a very severe reaction to gluten, was told that the cakes labelled may contain gluten would be ok because they didn’t contain “active” gluten. There aren’t two versions of gluten; active and inactive. Of course, he knew not to have one but newly diagnosed coeliacs might not. We went to the gelato shop just down the hill instead and they were very knowledgeable and helpful about gluten free food.