L Carnitine Benefits for Fat Burning and How to Use ICONFIT The carnitine system and cancer metabolic plasticity Cell Death & Disease L CARNITINE increases muscle mass, reduces fat mass. Bangkok Hospital Headquarter Why Use L Carnitine and Whey Protein Together What is carnitine? Carnitine is produced in the body from the amino acid lysine and naturally occurs in some foods. It supports energy metabolism and muscle function, which are important factors in