Frontiers Antioxidant therapy for infertile couples: a comprehensive review of the current status and consideration of future prospects 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 Carnitine traffic and human fertility ScienceDirect regenerLife Acetyl L Carnitine Natural Factors USA 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