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 & Alpha Lipoic Acid 650 mg Source Naturals PureFormulas Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction: What the Evidence Shows for Men Seeking Metabolic Nature's Lab CoQ10 200 mg + Alpha Lipoic Acid + Acetyl L Carnitine, 120 Vegetarian Capsules Costco Acetyl L Carnitine Alpha Lipoic Acid Erectile Dysfunction: What the Evidence and Experience Actually Show Acetyl L Carnitine 500mg 60 Capsules (60 Servings)