If you want to lose weight you have to eat protein. If you want to gain muscle you have to eat protein. If you want to get stronger you have to eat protein. Every other commercial on tv will tell you that in order to meet your fitness goals you have to eat a whole lot of protein. Now almost every prepackaged food in the grocery store has a label showing how much protein each serving has on the front of the label. But how much protein do you really need? Well, we’ll tell you.