Carbs provideTesteroneXL your body with the energy that it needs to train, so do not skimp on carbs, and make sure that you never miss breakfast. Protein is what repairs your body after the training has broken down your muscles. Lack of protein will make sure that your muscles will not get bigger. You need to be consuming 1gram of protein for each pound that you weigh. Some people cannot eat this much protein through regular food. Protein drinks are an invaluable tool to help increase your intake. Take a protein drink about 3 times a day between meals, and taking one last thing at night will reap great benefits.