Systems and methods are disclosed for providing health and diet advice. A user may establish a user profile that may include information relating to the user's health and nutritional needs. The user may visit a restaurant or other food service location and may be presented with a menu that includes a variety of menu options. The user may access the user profile at the restaurant or food service location and may be provided advice and suggestions regarding the available menu options. The diet advisor may perform a comparison of the health and nutritional needs of the user with the available menu options. The diet advisor may assist a user in selecting a menu option at a restaurant or food service location that is healthy and will provide the user with the proper balance of nutrients.