Fatty acid metabolism requires carnitine. Fatty acids are converted to fatty acetylCoA, then combined with carnitine before they are carried into the cells' power plants, the mitochondria, to be oxidised. L-Carnitine Tartrate is reported to have the same actions as the L-Carnitine manufactured naturally in the human body. Did you know? The name carnitine comes from the Latin 'Carnus' meaning flesh and was originally isolated from meat. Meat is high in carnitine and the redder the meat, the higher the levels of carnitine.