PCOS: Learning the Basics Torrance Memorial Protective effects of nutritional and polyphenolic supplementation in polycystic ovarian syndromes ScienceDirect L Carnitine: Benefits, Side Effects, And Dosage, Per Dietitians 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.