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 Renal function is associated with plasma trimethylamine N oxide, choline, l carnitine and betaine: a pilot study International Urology and Nephrology Springer Nature Link Trimethylamine N oxide, choline and its metabolites are associated with the risk of non alcoholic fatty liver disease British Journal of Nutrition Cambridge Core Risks and benefits of carnitine supplementation in diabetes. Semantic Scholar cjc1925 Pure Health Naturopathic Medical Clinic in Encinitas, CA