Innovative Quality Since 1932 Dietary Supplement 4 Daily Clear Quality 1500 mg Malic Acid Enhanced AbsorptionDiscussion: Malic Acid and Magnesium are essential to the production of cellular energy. These two substances are also active in the Krebs cycle and provide nutritive support for normal, healthy muscular energy. The exclusive KAL ActiSorb Base helps enhance absorption by stimulating gastric secretion and the body's natural thermogenic activity.