Frontiers A machine learning approach for predicting the effect of carnitine supplementation on body weight in patients with polycystic ovary syndrome PCOS Supplement Combo: L Carnitine & Inositol Full article: Potential roles of carnitine in patients with polycystic ovary syndrome: a systematic review 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.,