Liquid L Carnitine Energy, Metabolism & Fat Burning In conclusion, the analysis of studies carried out on patients with autism for parameters related to L carnitine suggest that L carnitine may be lowered in patients with ASD. Furthermore, a L carnitine supplementation seems Protective Effects of L Carnitine Against Delayed Graft Function in Kidney Transplant Recipients: A Pilot, Randomized, Double Blinded, Placebo Controlled Clinical Trial Journal of Renal Nutrition Healthy According to a randomized, double blind, placebo controlled clinical trial published in Elsevier journal Research in Autism Spectrum Disorders (2013), l carnitine supplementation demonstrated a significant therapeutic benefit in children Analytical Method Development and Validation of Content of D Carnitine in Levocarnitine Using High Performance Liquid Chromatography The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation