According to nutrition researchers, foods that being digested incompletely produce harmful substances in the body. Undigested food residues produce toxins in the intestine, causing poor blood circulation, indigestion, and increased burden on internal organs. They may be the culprit for many chronic diseases. In busy urban life, many people choose to eat quicky and tend to irregular meals and inbalanced diet, foods and fruits rich in various enzymes, probiotics and fiber should be replenished more for better overall health.