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, Acetyl L Carnitine 400 mg with Alpha Lipoic Acid 200 mg, 120 Capsules (66088) Puritan's Pride Simple Truth Alpha Lipoic Acid & Acetyl L Carnitine HCl Capsules, 60 ct Smith's Food and Drug Acetyl L Carnitine 500mg x 100 Capules Nutri Link UK Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction Spring Valley Acetyl L Carnitine HCI 400 mg + Alpha Lipoic Acid 200 mg Capsules, 50 Count HSA FSA Eligible Walmart.com