How L Carnitine Helps with Fat Metabolism Acetyl L Carnitine: Benefits, Forms, Dosing, and Side Effects Dr Brad Stanfield 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 PDF) The effect of adding l carnitine to induction of ovulation with letrozole among pcos patients Polycystic Ovary Syndrome (PCOS): Symptoms & Nutritional Strategies. Life Extension