MET-Rx Big 100 Peanut Butter Pretzel Protein Bars are protein packed meal replacement bars that include high-quality protein to fuel up on demand. Made with delicious peanut butter and crunchy pretzels, this meal replacement bar delivers a satisfying taste. These MET-Rx bars have no artificial flavors and they provide 18 vitamins and minerals, including a significant source of Zinc and Vitamins A and C. With 30 grams of protein per bar, these peanut butter protein bars are a great way to help promote muscle recovery.(1) These protein meal replacement bars are made with the MET-Rx Metamyosyn protein blend. Toss these high protein bars in your gym bag for a tasty peanut butter bar treat pre workout or post workout, or enjoy these MET-Rx protein bars anytime you need a quick meal on the run. Product Title: MET-Rx Big 100 Protein Bars, Peanut Butter Pretzel Meal Replacement Bars, 9 Count.