Carnitine transport and fatty acid oxidation ScienceDirect Carnitine: Top 3 Anti Aging Benefits of This Super Nutrient The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation 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 Fatty acid transport into mitochondria by carnitine transporter Comprehensive review of the expanding roles of the carnitine pool in metabolic physiology: beyond fatty acid oxidation Journal of Translational Medicine Springer Nature Link