Revisiting the Role of Carnitine in Heart Disease Through the Lens of the Gut Microbiota TMAO pathway and its association with cardiovascular disease. TMA, Download Scientific Diagram Cardiovascular Disease Linus Pauling Institute Oregon State University Risk of coronary heart disease (CHD) according to 10 year changes in Download Scientific Diagram 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 What is the role of carnitine (L carnitine) in the management of heart failure?