Supplements and chronic pain: What does the research say? Some studies suggest possible benefits for: Acetyl L Carnitine (energy for cells; studied in diabetic nerve pain) Alpha Lipoic Acid (antioxidant; may ease nerve pain, Oral Acetyl L Carnitine treatment in hepatic encephalopathy: view of evidence based medicine Annals of Hepatology Frontiers The effect of L carnitine supplementation on lipid profile in adults: an umbrella meta analysis on interventional meta analyses The bright and the dark sides of L carnitine supplementation: a systematic review Journal of the International Society of Sports Nutrition Springer Nature Link 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 vs Acetyl L Carnitine: Key Differences