Why Take Carnitine? NOW Foods 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, Creatine monohydrate and L carnitine are two of the most researched supplements in the game., We are talking years. Decades. Proven over and over again., Creatine is your foundation., More strength. Compounded Carnitine (L) Injection Empower Pharmacy