Carnitine transport and fatty acid oxidation ScienceDirect L Carnitine for Fat Loss Supplements in Review L Carnitine functions as a cofactor for long chain fatty acids across Download Scientific Diagram Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Structural basis of sodium ion dependent carnitine transport by OCTN2 Nature Communications 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