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 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 Carnitine: Top 3 Anti Aging Benefits of This Super Nutrient Liquid L Carnitine Energy, Metabolism & Fat Burning