Clear Liquid Diet Foods. Since clear liquid diets don't involve any solid foods it won't provide all the beneficial nutrients found in whole foods like fruits and vegetables (5). In some instances, such as for colonoscopy prep, you may be advised to avoid any red, purple, or blue foods.

A clear liquid diet includes only liquids you can see through.

Even when you're on a clear liquid diet, there are a few foods that you can eat. Foods that are liquid at room temperature and transparent. A clear liquid diet before surgery reduces the risk of aspiration. Clear liquid diets may be associated with some side effects. Foods can be considered liquid if they partly or completely melt. A clear liquid diet regimen keeps up sufficient hydration. When you drastically cut calories, your metabolism slows to save energy. Since clear liquid diets don't involve any solid foods it won't provide all the beneficial nutrients found in whole foods like fruits and vegetables (5). These liquids are easily digested and don't leave any clear liquids don't have a lot of calories or nutrients, so you shouldn't stay on a clear liquid diet for longer than your while you're following a clear liquid diet: But if you were advised by a medical professional to stick to transparent drinks and soups then you will have to abide as it could be part of your treatment or for a test. A clear liquid diet is often used before tests, procedures or surgeries that require no food in your stomach or intestines, such as before colonoscopy.