Autism Supplements Vitamins for Kids 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 Managing autism symptoms through nutrition Contemporary Pediatrics Can Lcarnitine be used as a treatment for a child with autism spectrum disorder (especially if a metabolic or mitochondrial abnormality is suspected), and what dosing and safety monitoring are recommended? James Greenblatt, MD Join . . , of the Integrative Medicine Academy, for , , : Instagram