The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Carnitines as Mitochondrial Modulators of Oocyte and Embryo Bioenergetics L Carnitine helps shuttle fatty acids into the mitochondria (the power plants of your cells) where they can be burned for energy. It's often used in fat metabolism and energy support formulas. Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Mitochondrial control of fuel switching via carnitine biosynthesis Science