Cleaner, leaner protein bar. No artificial growth hormones (our protein is sourced from milk from cows not treated with artificial growth hormones). Free of: artificial sweeteners; artificial flavors and colors. 20 g protein. 12 g fiber. 210 calories. Tough mudder. Official protein bar partner. MET-Rx Prime is everything you need and nothing you don't. This naturally sweetened, gluten-free bar is baked with protein and fiber, making it a great source of fuel, and also contains 400 mg omega-3s from flaxseed. Free of artificial growth hormones (our protein is sourced from milk from cows not treated with artificial growth hormones), soy-based protein (contains soy lecithin), sugar alcohols, colors, artificial flavors, artificial sweeteners, and other stuff you can't pronounce, MET-Rx Prime provides what you need: a cleaner, leaner protein bar. You can't fake strong. Questions? Call toll free 1-800-55-MET-RX. To learn more, please go to www.MET-Rx.com. Manufactured in the USA.