Full article: Gut microbes with the gbu genes determine TMAO production from L carnitine intake and serve as a biomarker for precision nutrition Identification of TMAO producer phenotype and hostdietgut dysbiosis by carnitine challenge test in human and germ free mice Gut This #GUTRecentAdvancesInBasicScience review synthesises emerging evidence linking the microbiome to cardiovascular disease, highlighting shared inflammatory and metabolic pathways. Fusco et al. present Gut microbiota and atherosclerosis access it Dietary supplementation of l carnitine ameliorates metabolic syndrome independent of trimethylamine N oxide produced by gut microbes in high fat diet induced obese mice Food & Function (RSC Publishing)