TMAO Is Both a Biomarker and a Renal Toxin Circulation Research Emerging role of trimethylamine N oxide (TMAO) in colorectal cancer Applied Microbiology and Biotechnology Springer Nature Link Trimethylamine N Oxide, More Red Meat for the Vascular Scientists Hypertension Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Gut microbe derived metabolite trimethylamine N oxide activates PERK to drive fibrogenic mesenchymal differentiation: iScience Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut