Effect of L carnitine supplementation on lipid profile and apolipoproteins in children on hemodialysis: a randomized placebo controlled clinical trial Pediatric Nephrology Springer Nature Link L Carnitine benefits Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis 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 Subgroup analysis by L carnitine dose. Download Scientific Diagram