L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP Atherosclerosis Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Differential effects of oral and intravenous L carnitine on serum lipids: is the microbiota the answer? TMAO: how gut microbiota contributes to heart failure Translational Research