Benefits of L Carnitine for PCOS Landys Chemist Berberine & Inositol Are More Effective for PCOS Management Choline, Inositol, L Carnitine, Taurine First Steps Nutrition Trust Acetyl L Carnitine VS L Carnitine: Which One Is Better? 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.