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 Fertilica L Carnitine Acetyl L Carnitine, 120 Veggie Caps (500 mg per Cap) Acetyl L Carnitine for Horses Equine Sperm Motility regenerLife Acetyl L Carnitine Natural Factors USA Remember to PLEASE talk with a provider to confirm supplements you should be taking. You do not need to be taking all of these.