L Carnitine and Male Fertility: Is Supplementation Beneficial? Acetyl L Carnitine Core Nutritionals Acetyl L Carnitine 500 mg, 60 Capsules (34727) Puritan's Pride Acetyl L carnitine is a form of the amino acid L carnitine, which helps turn fat into energy and occurs in the body naturally. It is thought to help slow down the ageing process We talk so much about female fertility but male fertility plays just as big of a role. Remembering it's a 50 50 effort to make a baby. Sperm health is highly impacted by Acetyl l Carnitine Pure Prescriptions