JCI l Carnitine in omnivorous diets induces an atherogenic gut microbial pathway in humans Didn't another study show carnitine was good for the heart? What is the role of carnitine (L carnitine) in the management of heart failure? 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 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