Mitochondrial control of fuel switching via carnitine biosynthesis Science L carnitine helps transport fatty acids to produce energy Role of L carnitine in the transportation of long chain fatty acid across the mitochondria membrane. Carnitine palmitoyltransferase 1 facilitates fatty acid oxidation in a non cell autonomous manner: Cell Reports Clinical Biochemistry department College of medicine AL Mustansiriyah University Dr. Ali al bayati Lipid metabolism