What is protein? How much protein do we need? Is it possible to eat too much protein? These are important questions for people following a low carb way of eating, who usually are replacing part of their carbohydrate intake with protein. Protein is one of the basic building blocks of the human body, making up about 16 percent of our total body weight. Muscle, hair, skin, and connective tissue are mainly made up of protein. However, protein plays a major role in all of the cells and most of the fluids in our bodies. If you’ve got questions about protein, one of our Coaches found this excellent introductory article you’ll likely enjoy: http://lowcarbdiets.about.com/od/nutrition/a/protein.htm?r=et