L Carnitine Is it Worth Taking? Ideal Nutrition PCOS is complex but the right supplements can truly make a difference. When it comes to managing PCOS naturally, three supplements stand out for their science backed benefits: 1) Berberine often compared Effects of carnitine on glucose and lipid metabolic profiles and fertility outcomes in women with polycystic ovary syndrome: A systematic review and metaanalysis Gong 2023 Clinical Endocrinology Wiley Online Library L Carnitine: Benefits, Side Effects, FAQ, Sources, and Dosage 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 Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension