Acetyl-L-Carnitine is an amino acid found in high concentration in human brain, nerve, heart, liver and sperm cells.* Acetyl L-Carnitine supports energy production via the metabolism of fatty acids to yield the universal energy molecule ATP.* As an antioxidant, Acetyl-L-Carnitine helps to protect neurons from damage caused by superoxide radicals.* * Picture may be of different size or flavor