Teasing Out the Role of Red Meat and TMAO in Cardiovascular Risk cjc1925 Pure Health Naturopathic Medical Clinic in Encinitas, CA 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 Risks and benefits of carnitine supplementation in diabetes. Semantic Scholar