Gastric bypass surgery is typically performed on obese individuals to help them lose weight and live healthier lives. Before gastric bypass surgery, the individual will likely be put on a strict liquid diet. The liquid diet will consist of Gelatin, broth, and water. There are a few other items that the individual may be able to consume prior to the gastric bypass procedure. Prior to the surgery, the individual may also be directed to take a specific kind of laxative. The laxative will help to clean the insides of the body in preparation for the surgery.