Carnitine Shuttle an overview ScienceDirect Topics Carnitine Metabolism and Its Role in Fatty Acid Oxidation Creative Proteomics L carnitine is primarily synthesized in the liver from the amino acids lysine and methionine through a series of four enzymatic reactions, with the liver and kidneys converting the precursor butyrobetaine into active Role of L carnitine in the transport of long chain fatty acids through Download Scientific Diagram