USA Sports, LLC. The Original Muscle Sandwich - 12 Bars - Protein Bars Take this satisfying snack anywhere and enjoy nutrition for sustained energy! The Original Muscle Sandwich Bars are made with whole grains and are perfect for a quick and easy snack - they satisfy your sweet tooth, while offering a protein boost. Made with 100% real peanut butter. (These statements have not been evaluated by the FDA. This product i ...