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. Carnitine in Type 2 Diabetes MINGRONE 2004 Annals of the New York Academy of Sciences Wiley Online Library L Carnitine Benefits, Uses, Dosage, Foods, Side Effects Dr. Axe L Carnitine Linus Pauling Institute Oregon State University Frontiers The crucial role and mechanism of insulin resistance in metabolic disease Carnitine supplementation improves metabolic flexibility and skeletal muscle acetylcarnitine formation in volunteers with impaired glucose tolerance: A randomised controlled trial eBioMedicine