Nutrition for Polycystic Ovary Syndrome (PCOS) Foundation for Female Health Awareness Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension l carnitine: Nutrition, pathology, and health benefits ScienceDirect L carnitine tartrate supplementation in the fight against infectious disease L Carnitine has become one of the most commonly asked about supplements over the past 18 months and I can see why when looking at all the research that has come out about it over the last 2ish years., Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link