Shed Some Serious Fat in 6 Weeks. X-Force body, is the only fat loss and muscle gain program in the country delivering results with just two 25-minute workout sessions a week. Experience a combination of negative weight training, carb-friendly diet plan, super-hydration, and stress reduction practices to shed fat, build muscle, and reshape your body with remarkable self-confidence. You are paired with a one-on-one coach to guide and train you and keep you 100% accountable. Developed by renowned strength and fitness expert Ellington Darden, PhD, this program’s proven results and unprecedented speed toward fat loss and muscle gain have generated longstanding support by both Men’s Health and Women’s Health magazines.