Can We Take L Carnitine and Creatine Together? Prorganiq Creatine & Acetyl L Carnitine Energy Plus, by Life Extension Creatine vs L Carnitine: Which Supplement Fits Your Goals? When to take L carnitine: Dosage, forms, and side effects 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,