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 Oxidative Stress and Carnitine in PCOS Patients IntechOpen L Carnitine For Women With PCOS Does It Help? Andy The RD PCOS Nutrition Center L Carnitine (120 Capsules) PCOS is complex but the right supplements can truly make a difference. When it comes to managing PCOS naturally, three supplements stand out for their science backed benefits: 1) Berberine often compared l carnitine: Nutrition, pathology, and health benefits ScienceDirect