L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute PCOS Nutrition Center L Carnitine (120 Capsules) The Role of l Carnitine in Mitochondria, Prevention of Metabolic Inflexibility and Disease Initiation Adding L carnitine to antagonist ovarian stimulation doesn't improve the outcomes of IVF ICSI cycle in patients with polycystic ovarian syndrome: a double blind randomized clinical trial Journal of Ovarian Research Springer 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. Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension