Yes, you will be on a clear liquid diet for 14 days prior to your surgery. During this time you can also have unlimited amounts of non-starchy vegetables such as salads, green beans, cabbage, carrots, eggplant, broccoli and cauliflower. Your liquids will include water, crystal light, soup broth and diet beverages. You will also be drinking protein shakes during this time. This period is designed to help clean out your colon and help to lose weight before surgery.