MET-Rx Big 100 is a high-protein meal replacement bar delivering 30 grams of protein from a proprietary blend of fast and slow-absorbing protein sources. Each bar provides 400 calories along with 17 essential vitamins and minerals, including significant amounts of Zinc, Vitamin A, and Vitamin C. Designed for athletes and active individuals, these bars support muscle building, workout performance, and post-exercise recovery while offering a rich, indulgent taste.