Carnitine Metabolon A Functional Medicine Approach to PCOS L Carnitine has a range of benefits for women with PCOS but, a new study set out to look at carnitine's impact on some of PCOS key indicators. One of those benefits reported 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