L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. The Role of Lifestyle Interventions in PCOS Management: A Systematic Review Carnitine traffic and human fertility ScienceDirect Frontiers Dietary supplements in polycystic ovary syndromecurrent evidence Role of Oxidative Stress and Carnitine in PCOS Patients IntechOpen Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension