L Carnitine in the Secondary Prevention of Cardiovascular Disease: Systematic Review and Meta analysis Mayo Clinic Proceedings L Carnitine Uses & Benefits Explained: A Complete Guide The Science of Good Health L Carnitine and Creatine are both game changers for fitness, but they each shine in different ways! SAVE this as your quick guide! L Carnitine, found in red meat, fish, and chicken, supports fat Benefits of L Carnitine:, When taken as a supplement, L Carnitine has been shown to have a beneficial impact on weight loss and improved brain function. It has also been linked to improved heart