The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation The role of carnitine in normal and altered fatty acid metabolism ScienceDirect 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 If you're putting in the work but the scale isn't moving, your body might just need a little help tapping into its fat stores. That's where L Carnitine comes in. It's not a