Carnitine_tekst Molecule of the Month September 2003 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 carnitine in disease Nutrition & Metabolism Springer Nature Link L Carnitine is Underrated. New Meta Review Reminds Us Why. PDF) The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation The Brain and Mitochondria Boosting Benefits of Acetyl L Carnitine (ALCAR) by Alex Leaf, M.S. The Energy Blueprint