How can L Carnitine help in your Journey of Wellness? Osoaa 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: Boost Focus & Cellular Energy Pro Hormones Essential L Carnitine Optimal Health Systems 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.