L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians Supplements for PCOS A Dietitian's Guide VPA Australia 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. L Carnitine Accelerates Weight Loss in Women with Polycystic Ovary Syndrome Natural Health Research