Love beans used to hopper feed But it's all about correct % the body only stores 20 % protein The best energy source is fats too much however like everything is bad for them.carbs are burned first as they are the readily available then fats then protein once this is burned the body metabolizes protein by taking it from muscle tissue hence the state "flown out" very thin and no muscle around the keel.correct training correctly prep and correct diet Ask yourself this how many marathon runners live on a high protein diet and look like the hulk even gone are the over muscled sprinter long lean and the correct amount of muscle Foo for thought!!!