The Association Between the Gut Microbiome and COVID 19 Severity: The Potential Role of TMAO Produced by the Gut Microbiome Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo Abstract 13116: Profiling the Role of Gut Microbiota Derived Trimethylamine N Oxide in Cardiac Fibrosis Evidence From a Primary Human in vitro Model Circulation Dietary bioactive ingredients to modulate the gut microbiota derived metabolite TMAO. New opportunities for functional food development Food & Function (RSC Publishing)