Life What is the healthiest cereal? What to know about the nutrition info on the back of the box. May 7, 2023May 8, 2023 Clare Mulroy, USA TODAY Comments Off on What is the healthiest cereal? What to know about the nutrition info on the back of the box. Cereal is a breakfast classic, but is it healthy for us? Here's what a registered dietitian has to say, plus myths about added sugars.