It is generally better to eat oatmeal for breakfast, because it is nutritious and easy to absorb.
But as carbohydrates, as long as the body cannot consume them in a short period of time, it will turn into fat. This is It won't change. Therefore, if you eat too much, you will definitely gain weight. You can check the energy table of the product.
But most people don’t get much if they eat too much cereal