Advanced Enzyme System facilitates digestion and assimilation particularly for people with digestive difficulties and older individuals whose digestion is weak by delivering enzymes and promoting enzyme activity. Broadest spectrum high-potency plant-source enzymes for maximum digestive support. The assay methods used to determine the units to determine the units of activity are the exact methods and procedures as defined in the Food Chemical Codex. They should not be compared to other assay methods used for animal, papain, bromelain, pancreatic enzymes, or products that simply use weight measurements. Rainbow Light's Advanced Enzyme System is designed to provide the most comprehensive vegetarian enzyme supplementation available. Enzyme supplementation is important since enzyme are destroyed or depleted when food is cooked, processed of refined. Advanced Enzyme System delivers: Full spectrum food enzymes for every component of the diet: protein, carbohydrates, fats, sugars and dietary fiber. Brush border enzymes such as maltase, invertase, and lactase, to further break down carbohydrates into their most basic constituents. Comprehensive food and herbal base featuring green papaya, apple pectin, ginger, turmeric and peppermint for additional digestive support. Maximum benefit when taken with or before meals. If not completely satisfied, return to Rainbow Light for a full refund.