L Carnitine Linus Pauling Institute Oregon State University L carnitine is an amino acid that is produced in your body that helps the body turn fat into energy. Carnitine is found in nearly all cells of the body and researchers have L Carnitine: Benefits, Uses, and Side Effects Lifespan Research Institute 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. Fat Loss Combo Ginnastic Nutrition