Brain carnitine deficiency causes nonsyndromic autism with an extreme male bias: A hypothesis Beaudet 2017 BioEssays Wiley Online Library Acetyl L carnitine physical chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression Molecular Psychiatry The carnitine system and cancer metabolic plasticity Cell Death & Disease Acetyl L Carnitine 500 mg What is carnitine? Carnitine is produced in the body from the amino acid lysine and naturally occurs in some foods. It supports energy metabolism and muscle function, which are important factors in Usefulness of Carnitine Supplementation for the Complications of Liver Cirrhosis