L Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review L Carnitine Benefits for Fat Burning and How to Use ICONFIT Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians What is carnitine? Carnitine is produced in the body from the amino acid lysine and naturally occurs in some foods. It supports energy metabolism and muscle function, which are important factors in