Eshban, forget about disadvantages. You don't even need to be considering any NO products yet. You just started taking protein, and you were asking about how to increase the size of your small chest. Lose this consumer mentality. At this point you need to be focused soley on your diet and training. How often do you need to hear this?! None of these supplements will give you the results you desire unless you are paying your dues in the gym & at the dining table. Like Zack stresses DIET, then TRAINING, then SUPPLEMENTS. This is the best advice I can give you. Hope you start figuring stuff out real quick.
Iron said it perfect, you gotta bust your ass in the gym
__________________ May the wind always be at your back and the sun on your face. And may the wings of destiny carry you aloft to dance with the stars.
Cheers, pop