Carnitine Deficiency: What Is It, Causes, Symptoms, and More Osmosis Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo 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 diagnosed with Unique acyl carnitine profiles are potential biomarkers for acquired mitochondrial disease in autism spectrum disorder Translational Psychiatry Carnitine Metabolon L Carnitine in the Treatment of Psychiatric and Neurological Manifestations: A Systematic Review