We use superior science to make smarter formulas like Jarrow Formulas® Acetyl L-Carnitine. It is the acetylated form of l-carnitine, which is a brain-specific carnitine that crosses the blood-brain barrier. Acetyl l-carnitine supports energy production via the metabolism of fatty acids to yield the universal energy molecule ATP. Each veggie capsule delivers 500 mg of acetyl l-carnitine. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.