L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP Atherosclerosis Frontiers The gut microbial metabolite trimethylamine N oxide and cardiovascular diseases JCI l Carnitine in omnivorous diets induces an atherogenic gut microbial pathway in humans Differential effects of oral and intravenous L carnitine on serum lipids: is the microbiota the answer? This molecule links your diet to stroke and Alzheimer'shere's how to stop it Trimethylamine N oxide (TMAO) is a small molecule produced in humans primarily by the gut liver axis and has become an important biomarker, and possible mediator, of cardiometabolic and renal disease. Dietary choline, phosphatidylcholine (