Trimethylamine N Oxide, More Red Meat for the Vascular Scientists Hypertension J Food Bioact Differential effects of oral and intravenous L carnitine on serum lipids: is the microbiota the answer? Characterization of TMAO productivity from carnitine challenge facilitates personalized nutrition and microbiome signatures discovery Microbiome Springer Nature Link Carnitine metabolism in the human gut: characterization of the two component carnitine monooxygenase CntAB from Acinetobacter baumannii Journal of Biological Chemistry Too Much TMAO is Bad for Your Health