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, Berberine and L Carnitine: Safety, Benefits and Dosage Guide Bolt Pharmacy ALCAR Supplement for Cognitive Function and Stamina Acetyl L Carnitine 750 mg 60 Vegetarian Capsules Integrative Health Solutions Dr. Bronner Handwerger Acetyl L Carnitine aSquared Brands