The Universal Antioxidant. That's one of the names given to Alpha Lipoic Acid,or, ALA. That name is based on the fact that ALA is soluble in both water and oils, so it is able to provide antioxidant protection in basically any location in our bodies. Natrol Alpha Lipoic Acid provides 300mg of ALA in each capsule.The cells in your body can be damaged by free radicals from the environment or simply by the normal stresses of aging. Antioxidants like ALA can actually prevent and limit damage from both of these sources. Protect your body down to the cellular level with Natrol Alpha Lipoic Acid.