Alpha Lipoic Acid is a powerful antioxidant that is both water and fat soluble, and can be used throughout the body to counter potentially damaging free radicals. Alpha Lipoic Acid, once thought to be a B Complex vitamin is also involved in the production of energy. Although some is made by the body and obtained from food, it is thought that we may not always obtain an optimal level as we grow older, so a supplement may be of value to ensure levels. Acetyl L-Carnitine is an amino acid that plays a role in the grey matter of the brain, and the generation of energy within muscle cells. Together, scientists believe, they make a strong team.