Acetyl L Carnitine 500 mg Acetyl L carnitine physical chemical, metabolic, and therapeutic properties: relevance for its mode of action in Alzheimer's disease and geriatric depression Molecular Psychiatry L Carnitine: Benefits, side effects, and dosage 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 Full article: Acetyl L carnitine: from a biological curiosity to a drug for the peripheral nervous system and beyond