Aside from protein, another nutrient that should always be present in a Muscle Building Diet is carbohydrates. Yes, there are effective diets that swear off this food group; but if you are taking the bodybuilding route to lose weight and become fit, eliminating carbohydrates from the menu is a big no-no. Carbohydrates provide you with the energy you need to be able to do your workouts constantly. If you do not consume enough of this nutrient, you will find yourself getting tired faster and more easily, which in turn will mean that you won’t be able to work out as often and as intensely as you want to. And if you choose wisely – that is, you go for food items with complex carbohydrates – you will not only obtain the fuel you require to perform all those exercises. You will likewise have your fill of vitamins, minerals, and fiber – all of which your body needs to function properly.