Lipoprotein(a) and L carnitine Blood carnitine as a biomarker for acute myocardial infarction. 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 Linear association of 10 year changes in L carnitine levels with the Download Scientific Diagram Metabolic therapy for cardiovascular diseases with propionyl L carnitine Request PDF Risk of coronary heart disease (CHD) according to 10 year changes in Download Scientific Diagram