Cleveland Clinic researchers have discovered a connection between elevated blood levels of TMAO (trimethylamine N oxide)a byproduct of gut bacteria digestion of nutrients found in red meat and other animal productsand a higher Atherosclerosis amelioration by allicin in raw garlic through gut microbiota and trimethylamine N oxide modulation npj Biofilms and Microbiomes Serum L Carnitine Levels Are Associated With First Stroke in Chinese Adults With Hypertension Stroke Trimethylamine N Oxide Promotes Age Related Vascular Oxidative Stress and Endothelial Dysfunction in Mice and Healthy Humans Hypertension