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, The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation The Role of L Carnitine in Kidney Disease and Related Metabolic Dysfunctions Amazon.com: Cutler Nutrition Liquid L Carnitine Fat Burner Supplement with Acetyl L Carnitine & L Carnitine Tartrate Fat Burner Formula for Optimal Absorption, Energy & Muscle Support Watermelon Flavor : Health & Household