15+ Best and Worst Foods for Your Prediabetes Diet Plan

Worst breakfast: bagels, breakfast cereals, or bacon

Highly refined grains like bagels made from white flour and cereals are bad breakfast choices because they lack the fiber that blunts your blood sugar response. (Besides, some cereals are packed with sugar; you have to look at the nutrition label carefully.) You can still eat these on occasion, but you should aim to limit these in your diet, says Jill Weisenberger, RD, author of Diabetes Weight Loss Week By Week. Bacon also shouldn’t be an “everyday food,” she says. “People think, ‘oh, it doesn’t have carbs,’ but there are so many things about it that are not a good idea for prediabetics,” she says. For one, it’s linked to colon cancer, something people with type 2 diabetes are already at an increased risk of.