Genetic modifications of food ingredients have always been a secret in U.S. food, but Campbell’s Soup Co. is breaking the silence, preparing to label genetically modified ingredients (GMOs) on its products and calling for a mandatory uniform approach to GMO labeling. Most likely the GMO labeling would be part of the text of the ingredient list, already a mandatory part of a processed food product. For example, corn starch made from GMO corn might appear in the ingredient list as CORN STARCH (GMO). With mandatory GMO labeling, consumers would have a way to avoid the risks of GMOs without insisting on organic ingredients.