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. Effects of integrative administration of acetyl L carnitine, arginine, and Co Q10 in mitigating oxidative stress in over weight obese PCOS women Carnitine traffic and human fertility ScienceDirect Frontiers Dietary supplements in polycystic ovary syndromecurrent evidence 9 Best Supplements for Polycystic Ovarian Syndrome (PCOS)