L Carnitine Benefits for Fat Burning and How to Use ICONFIT 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 Metabolite acetyl L carnitine participates in Bifidobacterium animalis F1 7 to ameliorate atherosclerotic inflammation by downregulating theTLR4 NF B pathway ScienceDirect L Carnitine Side Effects & Risks L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP ScienceDirect Deciphering influence and therapeutic significance of gut microbiota and its metabolites on metabolic diseases and inflammatory bowel disease Clinical Nutrition ESPEN