Benefits of L Carnitine for PCOS: Improve Insulin Resistance & Weight Loss 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. L Carnitine: Benefits, Uses, Side Effects, and More Effects of carnitine on glucose and lipid metabolic profiles and fertility outcomes in women with polycystic ovary syndrome: A systematic review and metaanalysis Gong 2023 Clinical Endocrinology Wiley Online Library L Carnitine has a range of benefits for women with PCOS but, a new study set out to look at carnitine's impact on some of PCOS key indicators. One of those benefits reported