Spring Valley Acetyl L Carnitine HCI 400 mg + Alpha Lipoic Acid 200 mg Capsules, 50 Count HSA FSA Eligible Walmart.com 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, Physician Naturals Alpha Lipoic Acid Plus Acetyl L carnitine HCL 1600 Mg 1, 600 Mg Per Serving Acetyl L Carnitine Free Form 400 mg with Alpha Lipoic Acid 200 mg, 60 Capsules (66087) Puritan's Pride