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, L Carnitine L CARNITINE, (Energy & Fat Metabolism), , WHAT IT DOES, Transports fatty acids into mitochondria, Enables fat to be used for energy, , KEY BENEFITS, Fat Utilisation, Supports fat metabolism during L Carnitine Linus Pauling Institute Oregon State University