CARNITINE (L CARNITINE, ACETYLCARNITINE) Neuroneeds 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? Amazon.com: Nutrex Research L Carnitine 3000 (31 Servings, Berry Blast) Liquid Shots, Stimulant Free Supports Muscle Recovery For Men and Women : Health & Household Amazon.com: Nutrex Research L Carnitine 3000 Clinically Dosed L Carnitine Liquid for Energy, Metabolism & Muscle Recovery Delicious Passionfruit Guava No Sugar, No Carbs, No Stimulants 31 Servings : Health & Household 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