USN's Pure Protein meal replacement bar is a convenient nutrition snack. It is designed for active people who demand the benefits of high quality proteins and complex carbohydrates. This complete engineered nutrition bar contains just enough carbohydrates to fuel your workout and replenish depleted glycogen. Not only is this a nutritionally packed bar, but it is also an easily portable and great tasting snack. USN's Pure Protein meal replacement bar is a convenient nutrition snack. It is designed for active people who demand the benefits of high quality proteins and complex carbohydrates. This complete engineered nutrition bar contains just enough carbohydrates to fuel your workout and replenish depleted glycogen. Not only is this a nutritionally packed bar, but it is also an easily portable and great tasting snack.