If you have PCOS and struggle with stubborn weight that won't move no matter what you try, L carnitine is one of the most underrated things you can look into. It helps your body actually use stored Benefits of L Carnitine for PCOS: Improve Insulin Resistance & Weight Loss Role of Oxidative Stress and Carnitine in PCOS Patients IntechOpen 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.