L Carnitine intake and high trimethylamine N oxide plasma levels correlate with low aortic lesions in ApoE transgenic mice expressing CETP Atherosclerosis The gut microbiome in coronary artery disease and heart failure: Current knowledge and future directions eBioMedicine Risks and benefits of carnitine supplementation in diabetes. Semantic Scholar A 2016 study suggested L carnitine could drop a key cardiovascular risk marker by up to 12%, which sounded promising at first., But follow up research told a more complicated story, with inconsistent