Naturally flavored with other natural flavors. 20 g protein. Makes 1 serving. 270 calories per pack. Comments? 1-800-884-2867 or visit gatorade.com. Designed to help athletes recover. Formulated based on sports science research. 20 g of high quality protein, including whey and casein, to provide essential amino acids that your body can't make on its own. Helps rebuild muscle. Carbs to help replenish energy stores.