Low fiber diet is low residue diet.
Residue refers to undigested food or fibers that make up part of the stool. A low residue diet reduces the frequency and volume of stool while prolonging the time it takes food to travel the intestine.
You should avoid the following food items: whole wheat breads, cereals, crackers and rolls; whole wheat pasta, brown or wild rice; any item with nuts, seeds and fruits; buckwheat, granola, cornbread, pumpernickel bread; tough meat and meat items with skin; raw fruits, prunes and prune juice, berries, raisins and dried fruits; raw or partially cooked vegetables. You should also avoid milk and milk products.
If you are on a low residue diet, you may be allowed to have white bread, rolls and biscuits; white rice or noodles; plain crackers, potato rolls, skinless cooked potato; skinless chicken, skinless turkey, fish and other sea food; canned fruits without seeds or skin; eggs; vanilla wafers.
If you are on a low fiber diet, you can have a clear liquid diet. Clear liquid diet excludes red and purple colored substances. Alcohol is also not allowed. Examples of clear liquid diet include water, tea, plain coffee, lemonade from powdered mix, carbonated beverages and soda, clear juices such as apple and white grape, plain or flavored gelatin, sports drinks such as Gatorade® , All-Sports®, Powerade®; sorbet, popsicles, honey, sugar, hard candy, fat-free broth, bouillon or consommé.
For a complete list of low fiber diet, read THIS.
Would a banana and a cake donut hole be allowed?
Small amounts of ripened banana is allowed. Cake donuts depending on the contents may not be allowed.
Can I eat popables?
Poppables are potato chips. They come in different sizes and flavors. They may contain 1-3 grams of fiber. They may contain dairy products like cheese making them unsuitable as low fiber diet for colonoscopy.
Can I eat porridge the day before my colonoscopy?
If you are on a clear liquid diet, the answer is No. Skinless cooked potato is allowed as low fiber diet. What kind of porridge? Follow the specific instruction of your physician.
One word! NO!
Can a person eat a tuna pasta salad made out of white pasta
For a low fiber diet?
Can I have meal replacement shakes for the week leading up to colonoscopy?
Why meal replacement shakes? Why for a week? You should avoid diary products a day before colonoscopy. Read https://bowelprepguide.com/prep-for-colonoscopy/
On top of clear liquid diet, we are gonna be using the prep to flush everything out the day before the procedure anyway. Why does low fiber (residue) diet matters in those days before prep-day? Don’t they all gonna be flush out on prep day regardless? Are you saying the prep alone isn’t powerful enough to flush the residue?
The instruction for colonoscopy attempts to have a one-size fits all approach for simplicity. Some people are easier to clean out than others. Low residue diet makes it easier to clean out the colon.
Is it okay to eat vegetables if they have been made into juice with a juicier with the pulp removed
This has not been specifically studied. Some people do not follow the low fiber diet but have adequate bowel prep. It is best to follow the advice of your doctor. Good luck!
What can I put on the pasta, potato, or rice? Obviously not butter, since it is a milk product. Probably not tomato sauce since it may contain seeds. How about something like plain condensed tomato soup, not the one with chunks of tomato? Or maybe I can puree a can of vegetable soup, since those vegetables are well cooked? Is margarine ok? How about spices? Garlic salt? Ground herbs?