Whey protein is a rich source of branched chain amino acids (BCAAs), containing the highest known levels of any natural food source. BCAAs are important for athletes since unlike the other essential amino acids, they are metabolized directly into muscle tissue and are the first ones used during periods of exercise and resistance training. Our Whey Protein powder provides the body with BCAAs to replenish depleted levels and start repairing and rebuilding lean muscle tissue. We have the best Whey Protein...check out our Whey Protein Facts.