Whole grain bagels are a good source of carbohydrates and fiber. You can even get some of your protein for the day in good bagels and they typically are less then 200 calories. But just like the lowly potato, it's not the bagel that's bad for you, it's what you put on top of it. Depending on what meal you are having, you can choose healthy toppings that are both nutritious and taste good. The bagel provides a great surface for any meal.