Clomiphene citrate (CC) plus L Carnitine improves clinical pregnancy rate along with glycemic status and lipid profile in clomiphene resistant polycystic ovary syndrome patients: A triple blind randomized controlled clinical trial ScienceDirect L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. Carniphil: PCOS PCOD Problem Treatment , Endometriosis & Absence of Period 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., PDF) The effect of adding l carnitine to induction of ovulation with letrozole among pcos patients