L Carnitine Side Effects & Risks Effects of levocarnitine on cardiac function, urinary albumin, hs CRP, BNP, and troponin in patients with coronary heart disease and heart failure ScienceDirect 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 Mitochondrial control of fuel switching via carnitine biosynthesis Science L Carnitine Supplementation in the Diabetic Heart ABC Cardiol The Carnitine Defense: An All Natural Nutraceutical Formula to Prevent Heart Disease, Control Diabetes and Help You Stay Healthy DeFelice M.D., Stephen L.: 9781579541330 AbeBooks