Protein; by now we all know why we need it. Protein, is not only essential for building muscle but also has a vital role in forming other physical structures such as connective tissue, and blood vessels. It addition, protein is essential to creating hormones and enzymes that are vital to essential physiological processes in our bodies. OK, so we know we need it, but that leads to the next question; just exactly how much protein is needed to stay healthy and perform at your sporting best?