MARC-LEAN PRO: L-carnitine has been suggested to promote recovery following resistance exercise by minimizing muscle damage. L-Carnitine plays an important metabolic role in fat burning and energy production. Scientific research has demonstrated that L-Carnitine assists your body in converting fat to energy. L-carnitine Helps to tap into your body’s fat supply by providing support to have fatty acids transported to your muscles where they can be burned as energy. This process can aid in weight loss and improve athletic performance such as increased endurance and also supports a healthy environment for lean muscle growth and development.