Acetyl L Carnitine 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 Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link Carnitines as Mitochondrial Modulators of Oocyte and Embryo Bioenergetics Carnitine traffic and human fertility ScienceDirect How L Carnitine Helps with Fat Metabolism