Full article: Gut microbes with the gbu genes determine TMAO production from L carnitine intake and serve as a biomarker for precision nutrition TMAO and Heart Disease A Serious Heart Marker Functional Medicine University The Leader in Online Training in Functional Diagnostic Medicine JCI The contributory role of gut microbiota in cardiovascular disease Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway Carnitine metabolism in the human gut: characterization of the two component carnitine monooxygenase CntAB from Acinetobacter baumannii Journal of Biological Chemistry Systematic investigation of the relationships of trimethylamine N oxide and l carnitine with obesity in both humans and rodents Food & Function (RSC Publishing)