Benefits of L Carnitine for PCOS Landys Chemist How Carnitine Transport Plays a Pivotal Role in Male Fertility Medical Electronic Systems The Effect of L carnitine on Apoptotic Markers (Annexin V and Clusterin) in Polycystic Ovarian Syndrome Women undergoing ICSI Acetyl l Carnitine Ameliorates Metabolic and Endocrine Alterations in Women with PCOS: A Double Blind Randomized Clinical Trial Advances in Therapy Springer Nature Link 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.