Gold Standard BCAA is built on a foundation of Branched Chain Amino Acids prized by athletes for their ability to spare muscle during endurance training and help kick start the muscle building process after weight training. This banned substance tested formula also includes electrolytes, antioxidant vitamin C and other performance supporting ingredients in a lightly flavoured mix that encourages drinking throughout your training.Product Features:BCAAs for muscle supportWellmune for immunity supportRhodiola for Endurance Support15% of the Daily Value for Vitamin CTested for Banned Substances.