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. Biosint is a trademark of Sigma-Tau Industries; S.p.A. Biosint L-Carnitine is manufactured by Sigma-Tau Industries; S.p.A. (Rome; Italy); the pioneer in L-Carnitine science.Keep out of the reach of children.