 [ Symptoms ] i do a lot of cardio exercises but now lungs hurt i have bad cough that tastes blood [ Disease ] there is no whey that this added protein alone will build muscle extra protein    above and beyond his nutritional needs    has the potential of overloading his kidneys especially if he is sweating and exercising and not getting in sufficient water all he needs to do is eat a good balanced diet three meals and some healthy snacks work out regularly no power lifting weights  and he will get stronger and leaner he does not need something stronger like those bulk builders at the health food stores