Carbohydrates Loading diet is good for athletes. It consists of an excess amount of carbohydrates which provides energy to our body as it is considered as the important source of energy. A person doing physical or recreational activities which are related to the sports needs to follow this diet. By following this diet, your muscles will be able to store more energy which will improve your stamina. It includes foods like milk, potato, raisins, starchy veggies, legumes, etc.