Intestinal microbiota metabolism of l carnitine, a nutrient in red meat, promotes atherosclerosis Nature Medicine Carnitine is a friend in HFpEF and foe in HFrEF: iScience Pathobiological Relationship of Excessive Dietary Intake of Choline L Carnitine: A TMAO Precursor Associated Aggravation in Heart Failure in Sarcopenic Patients Myopathic Carnitine Palmitoyltransferase II (CPT II) Deficiency: A Rare Cause of Acute Kidney Injury and Cardiomyopathy Cureus What are the recommended dosing regimens for Lcarnitine in adults, hemodialysis patients, and children with primary carnitine deficiency?