There is a number of different supplements that can help PCOS which, on one hand is exciting as it means you have options & hope. On the other hand, it can make things confusing and overwhelming. Why L Carnitine Isn't a Fad Fat Burner, But a PCOS Super Nutrient Organic Olivia Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension 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., L Carnitine 3000mg per dose Zenement Food Supplements Why L Carnitine Isn't a Fad Fat Burner, But a PCOS Super Nutrient Organic Olivia