Frontiers Gut microbiota: an emerging target connecting polycystic ovarian syndrome and insulin resistance Private Label Infertility & PCOS Support Capsules How L Carnitine Supports Fat Metabolism in PCOS Oana Posts 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., Benefits of L Carnitine for PCOS: Improve Insulin Resistance & Weight Loss