There's a reason L carnitine keeps showing up in PCOS research Because PCOS is closely tied to insulin resistance, inflammation, and metabolic dysfunctionand L carnitine plays a role in energy metabolism and fat utilization. Acetyl L Carnitine Dietary Supplement Seeking Health L Carnitine Sperm Health Conceive Plus Top Favorite Fertility Supplements Chosen by Customers yadtech 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