Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health Frontiers The effect of L carnitine supplementation on lipid profile in adults: an umbrella meta analysis on interventional meta analyses Involvement of impaired carnitine induced fatty acid oxidation in experimental and human diabetic kidney disease 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 Effects of l Carnitine Supplementation in Patients Receiving Hemodialysis or Peritoneal Dialysis