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, The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation L Carnitine 3000 Liquid L Carnitine Force Factor Carnitine: the claims and why it may not work L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe