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., Carnitine Metabolon Full article: Improved insulin sensitivity and reproductive profile in overweight obese PCOS patients undergoing integrative treatment with carnitines, L arginine, L cysteine and myo inositol Regulatory Functions of L Carnitine, Acetyl, and Propionyl L Carnitine in a PCOS Mouse Model: Focus on Antioxidant Antiglycative Molecular Pathways in the Ovarian Microenvironment