L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP Atherosclerosis TMAO: Why It Increases & Factors That May Reduce TMAO levels SelfDecode Labs JCI The contributory role of gut microbiota in cardiovascular disease Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut TMAO (Trimethylamine oxide) biocrates life science