Full article: Gut microbes with the gbu genes determine TMAO production from L carnitine intake and serve as a biomarker for precision nutrition There's a molecule your gut quietly produces every time you eat red meat, eggs, or dairy, and most doctors never test for it. It's called TMAO. And it's been linked to a Full article: Archaebiotics The Association Between Heavy Alcohol Consumption and Trimethylamine N Oxide Research Discussion: 'is trimethylamine N oxide a novel target to prevent age related aortic stiffening?' This study has identified the gut derived metabolite trimethylamine N oxide (TMAO) as a possible novel mechanistic link between the gut