Acetyl L Carnitine Improves Symptoms of Diabetic Neuropathy Natural Health Research Effects of acetyl l carnitine in diabetic neuropathy and other geriatric disorders Aging Clinical and Experimental Research Springer Nature Link Acetyl L carnitine in painful peripheral neuropathy JPR Dove Medical Press 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 Targeting Skeletal Muscle Dysfunction With L Carnitine for the Treatment of Patients With Chronic Obstructive Pulmonary Disease In Vivo