L carnitine is an amino acid that is produced in your body that helps the body turn fat into energy. Carnitine is found in nearly all cells of the body and researchers have Nutrakey MCT Oil Natural S&N Nutrition LLC L Carnitine Linus Pauling Institute Oregon State University Nature's Bounty Acetyl L Carnitine HCl 400mg (30 Capsules) Manmohni The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation