GNC Acetyl L Carnitine Alpha Lipoic Acid: Mood Support Supplement GNC Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction Acetyl L Carnitine Alpha Lipoic Acid, 120 Capsules 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 800 mg & Alpha Lipoic Acid 400 mg, 90 Quick Release