Acetyl L Carnitine Supplement (ALCAR) 500 mg Superior Labs L Carnitine Shows Promise as Supportive Therapy for Autism A clinical trial published in the journal Research in Autism Spectrum Disorders found that l carnitine supplementation may help reduce autism symptoms in children. The 3 Reasons Acetyl L Carnitine Supports Cognitive Health HealthyHey Role of carnitine in disease Nutrition & Metabolism Springer Nature Link Willner Chemists Allergy Research Group Acetyl l Carnitine in the Treatment of Peripheral Neuropathies: A Narrative Review Pain and Therapy Springer Nature Link