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 for Male Erectile Dysfunction Acetyl L Carnitine: Benefits and Side Effects Gene Food CarniTide & CarniSema: Enhanced Weight Loss Through L Carnitine Comp Lake Hills Wellness There's a reason L carnitine keeps showing up in PCOS research Because PCOS is closely tied to insulin resistance, inflammation, and metabolic dysfunctionand L carnitine plays a role in energy metabolism and fat utilization.