A small fruit like orange is a powerhouse of benefits for the stomach and digestive system. It not just normalizes the digestion but also alleviates excess of gastric juices and acid, giving relief from ulcers. Drinking a glass of orange juice first thing in the morning can help in regulating bowel movements, abdominal distention and fermentation of food. Those who suffer from regular diarrhea or constipation can also benefit greatly from the juice as it ensures regular working of the intestines.. Having acidic and alkalizing properties, orange also cleans up the gastric and digestive system regularly. Because of its anti-inflammatory properties, orange juice benefits in preventing bloating, especially among ladies. Also, since normal digestion requires a good amount of hydration, juice of orange helps meet that requirement and keeps digestive system strong.