“…Consumers can report an unwillingness to search for information or high costs of this practice compared with benefits [1,22,23]. Food operators also acknowledge constraints to providing ingredient information on menus [15,16,21], including a reluctance to overload the menu with visual clutter, as well as a lack of knowledge on the part of the operator and a high perceived cost to the business, particularly where menus and dish specifications may change frequently [15,16,21]. Furthermore, different consumers can prefer or typically act on different types of information [2,16,17,22,24].…”