Acetyl l Carnitine Ameliorates Metabolic and Endocrine Alterations in Women with PCOS: A Double Blind Randomized Clinical Trial Advances in Therapy Springer Nature Link Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension L Carnitine Benefits: Enhance Your Weight Loss Journey with This Power Supplement Sova Health 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.