The change—which only affects original Cheerios, not other varieties like Honey Nut Cheerios—has been in the works since about a year ago, when General Mills began working to change manufacturing for Cheerios to eliminate ingredients containing genetically modified organisms, or GMOs.
Critics of GMO use in foods called attention to the Cheerios move Thursday, hailing it as a major victory. Advocacy groups have raised concerns about possible health problems from eating foods with GMOs, which are crops like corn grown from seeds genetically engineered for desirable traits like pest resistance. The groups have promoted consumer campaigns in some states to mandate labeling of GMOs in food, and targeted specific brands—including Cheerios—and to change their policies....