Frontiers Effects of L carnitine supplementation on lipid profile in adult patients under hemodialysis: a systematic review and meta analysis of RCTs Frontiers Association between fatigue, peripheral serotonin, and L carnitine in hypothyroidism and in chronic fatigue syndrome Mechanism of L carnitine deficiency in maintenance hemodialysis Download Scientific Diagram Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window L Carnitine