Pathobiological Relationship of Excessive Dietary Intake of Choline L Carnitine: A TMAO Precursor Associated Aggravation in Heart Failure in Sarcopenic Patients Clinical Phenotypes of Heart Failure With Preserved Ejection Fraction to Select Preclinical Animal Models ScienceDirect L Carnitine Linus Pauling Institute Oregon State University Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications Familial carnitine transporter defect: A treatable cause of cardiomyopathy in children ScienceDirect