Naturally and artificially flavored. Contains no milk. Healthy, sustained energy. 25 g protein. Lactose free. Your body is the most amazing high tech performance machine on the planet. Treat it like one. Muscle milk is an ideal blend on protein, healthy fats, good carbohydrates and 20 vitamins and minerals to provide sustained energy, spur lean muscle growth and help provide recovery from tough days and tougher workouts. To reach your true potential, give your body the fuel it deserves. Muscle milk provides nutrients found in natural milk that are important for building muscles and bones. Gluten free.