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.
See 20 Foods That Act As a Natural Laxative at PositiveMed.
Laxatives contain chemicals that help increase stool motility, bulk, and frequency -- thus relieving temporary constipation.
A healthy diet filled with fresh fruits, vegetables, and whole-grain products; regular exercise; and drinking at least eight cups of water daily can help prevent constipation in most people.
To learn more on how laxatives work and how to use them safely, visit WebMD.