The powerful nutrient partnership. Alpha lipoic acid helps regenerate other antioxidants such as vitamins C and E and may increase their effectiveness. Acetyl-l-carnitine is produced naturally in your body and works in the energy producing cells. Everyday, your body is bombarded by free radicals, which contribute to the ageing process so you need additional, powerful antioxidants to help combat them. In addition, acetyl-l-carnitine is an amino acid which your body uses to build proteins, and also helps the transportation of fatty acids into the mitochondria or energy producing cells.