1 Fast 400 Whey Protein Natural Source of BCAA 24 Grams of High-Quality Protein per serving Quick Dissolving, Easy-to-Mix Superior Tasting Whey Protein Best Value Just 49 cents a Serving 1 Fast 400 Whey Protein contains natural source of branched chain amino acids BCAA. BCAA are essential amino acids, which are part of muscle protein. They preserve muscle glycogen stores and help reduce the amount of protein breakdown during exercise, reducing fatigue. 1 Fast 400 Whey Protein supplies one of the highest quality and most researched proteins available providing 80% protein by weight. Additionally, the natural components of whey help to enhance the bodys production of glutathione, a natural antioxidant, which may provide dietary support to the immune system. Whey also yields a high biological value, which measures usable grams of amino acids used by the body after intense exercise. 1 Fast 400 Whey Protein contains no sugar and high quality, rigorously tested Whey Protein Concentrate. The