Avoiding foods that increase your blood sugar levels and drive insulin resistance can help keep you healthy and reduce your risk of future diabetes complications. People with diabetes or prediabetes should stay away from foods that contain unhealthy fats, liquid sugars, processed grains, and refined carbs, including:* Sugary beverages  Trans fats White bread, rice, and pasta Flavored yogurt Sweetened breakfast cereals Honey, agave nectar, and maple syrup Dried fruit Packaged snack foods Fruit juice French fries