Simultaneous quantification of trimethylamine oxide and its precursors from gut microbial metabolic pathway Dietary bioactive ingredients to modulate the gut microbiota derived metabolite TMAO. New opportunities for functional food development Food & Function (RSC Publishing) DOI:10.1039 D0FO01237H Trimethylamine N oxide, choline and its metabolites are associated with the risk of non alcoholic fatty liver disease British Journal of Nutrition Cambridge Core Full article: Gut microbes with the gbu genes determine TMAO production from L carnitine intake and serve as a biomarker for precision nutrition