The waiter who served us is to study, he tells us that he has gluten-free things, like pasta and something else... We sit on the terrace for dinner, half an hour to serve and when we ask for gluten-free dinner he tells us that he doesn't have any, we tell him that he told us yes and his answer is; half an hour ago yes, now I don't have one. Obviously we all got up and went to the Trevi area, where if you are celiac you will have no problem having dinner