Trimethylamine and Trimethylamine N Oxide, a Flavin Containing Monooxygenase 3 (FMO3) Mediated Host Microbiome Metabolic Axis Implicated in Health and Disease Drug Metabolism and Disposition Our researchers discovered a link between TMAO and a higher risk for abdominal aortic aneurysm. TMAO is created by gut bacteria as it digests certain nutrients found in red meat and other Trimethylamine N Oxide (TMAO) and cancer risk: Insights into a possible link ScienceDirect Full article: Trimethylamine N Oxide (TMAO) in Seafoods: Shared Mechanisms Between Fish and Humans for Forming Gut Microbial TMAO: Overview of Animal TMAO Yield Potential Trimethylamine N Oxide (TMAO) as a Biomarker Springer Nature Link Synthesis of TMAO in fish. In the fish gut microbiota, choline and Download Scientific Diagram