Revolutionary Muscular Energy Formula. Helps Boost Receptors for Testosterone. Helps Reduce Exercise-Induced Muscle Damage and Soreness. Hard training can take a toll on your body - decreasing recovery and halting your progress in the gym dead in its tracks. MET-Rx® CarniTest 1000 is one of the most versatile supplements available - perfect for runners weightlifters athletes and anyone trying to get into better shape. Carnitine helps the body convert food to energy - providing support for endurance exercise (aerobic) and during recovery from high intensity activities such as weightlifting and sprinting (anaerobic). Supplementing with this formula helps to maximize muscle carnitine concentrations at the gym or before athletic competition.