Not medical advice: Yes, corn, especially raw corn, is a natural laxative and will definitely get you, well, moving!
Any food that is high in fiber is considered a natural laxative. Some examples of high fiber vegetables are: beans, broccoli, potatoes, and carrots. Some examples of high fiber fruits are: bananas, apples, blueberries, and cantaloupe.
Prunes are the most well known natural laxatives because they help stimulate contractions in the intestines to eliminate waste. Dandelion leaves are uncommon natural laxatives and are safe to eat as long as they have not been sprayed with pesticides. The absolute best natural laxative is exercise!