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, L Carnitine: Benefits, Side Effects, Sources, and Dosage iMuscles Nutrition acetyl l carnitine side effects TikTok Shop Understanding the Benefits and Uses of Carnitine in Health and Fitness Fitness Health L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. What are the benefits of carnitine? Ask Huberman Lab