Frontiers Gut microbiota: an emerging target connecting polycystic ovarian syndrome and insulin resistance PCOS: Learning the Basics Torrance Memorial Role of Oxidative Stress and Carnitine in PCOS Patients IntechOpen Synergistic effects of the integrative administration of acetyl L carnitine, L carnitine, L arginine and N acetyl cysteine on metabolic dynamics and on hepatic insulin extraction in overweight obese patients with PCOS GREM Gynecological and l carnitine: Nutrition, pathology, and health benefits ScienceDirect 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