Low-fiber foods include white bread, white rice, most dairy products, tender meats, eggs, and well-cooked vegetables without skins or seeds. A low-fiber diet typically aims for foods with less than 0.5 grams of fiber per serving, replacing whole grains, raw produce, and legumes with softer, more refined alternatives that are easier for your gut to process.
Most people follow a low-fiber diet temporarily, either to prepare for a colonoscopy, recover from bowel surgery, or manage a flare-up of a digestive condition like Crohn’s disease, ulcerative colitis, diverticulitis, or irritable bowel syndrome. The goal is to reduce stool bulk and slow transit through the intestines, giving inflamed or healing tissue less work to do.
Grains, Breads, and Starches
Refined grains are the backbone of a low-fiber diet. When the bran and germ are stripped away during processing, most of the fiber goes with them. Good options include:
- White bread and white flour tortillas
- White rice and plain white pasta or noodles
- Cooked refined cereals like Cream of Rice, grits, and instant oatmeal
- Crackers such as saltines, melba toast, and matzoh (no cracked wheat or whole grains)
- Pretzels
The key distinction is “white” versus “whole.” Whole wheat bread, brown rice, quinoa, and bran cereals are all high in fiber and should be avoided. When checking labels, look for products with less than 0.5 grams of fiber per serving.
Fruits That Work on a Low-Fiber Diet
Raw fruit is generally off the table, but a handful of very ripe, soft fruits are fine to eat fresh: bananas, cantaloupe, honeydew melon, watermelon, ripe peaches, ripe plums, and very ripe apricots. These fruits have relatively little fiber compared to berries or apples, and their soft texture makes them easier to digest.
Beyond those, canned or cooked fruit without seeds or skins is a safe choice. Think canned peaches in juice, applesauce, or stewed pears with the skin removed. Dried fruit, raisins, and any fruit with small seeds (like raspberries or figs) should be avoided.
Vegetables to Choose and Avoid
Cooking breaks down the tough cell walls in vegetables, effectively reducing the work your gut has to do. Tender, well-cooked vegetables without seeds, stems, or skins are the standard recommendation. Cooked carrots, green beans, spinach, and squash all fit. White or sweet potatoes are fine as long as you remove the skin before eating.
Raw vegetables, corn, broccoli, cauliflower, cabbage, and anything with visible seeds or thick skins should be skipped. If you’re unsure about a particular vegetable, cooking it until it’s very soft and peeling it first will lower its fiber content significantly.
Proteins and Dairy
Most animal proteins are naturally fiber-free, making them some of the easiest foods on a low-fiber diet. Ground or tender beef, chicken, turkey, fish, and seafood all work. Eggs in any form are fine.
Dairy products like milk, yogurt, cheese, and cottage cheese are also low in fiber. On a stricter low-residue version of the diet, dairy is sometimes capped at two cups per day, and people who are lactose intolerant should avoid it entirely since it can worsen digestive symptoms.
The proteins to avoid are beans, peas, lentils, and chunky peanut butter. These are among the highest-fiber foods in a typical diet, with a single cup of cooked lentils containing around 15 grams of fiber.
Snacks, Drinks, and Extras
Snacking on a low-fiber diet is simpler than it sounds. Saltine crackers, pretzels, plain gelatin (like Jell-O), and vanilla wafers are all easy options. For fats and condiments, butter, olive oil, mayonnaise, and ketchup are all fine. Avoid salad dressings that contain fruit pieces or seeds, and skip jams or preserves with visible seeds.
Coffee, tea, and carbonated beverages are permitted. Fruit juices without pulp work well. Avoid smoothies made with raw fruit or added fiber supplements, and skip any drink containing bits of fruit or vegetable.
Foods to Avoid at a Glance
Fiber is found in plant foods, and the highest concentrations show up in a predictable group:
- Whole grains: whole wheat bread, brown rice, oatmeal (non-instant), bran cereals, quinoa
- Raw vegetables: especially those with seeds, tough stems, or thick skins
- Most raw fruits: berries, grapes, dried fruit, and anything with edible seeds
- Legumes: beans, lentils, peas, and peanut butter
- Nuts and seeds: all varieties, including those in trail mix, granola bars, or baked goods
- Popcorn
- Pickles and spicy foods that may irritate the gut
Why People Follow a Low-Fiber Diet
Fiber is the part of plant food your body can’t digest. Normally that’s a good thing: it adds bulk to stool, feeds beneficial gut bacteria, and helps keep things moving. But when the intestines are inflamed, narrowed, or healing from surgery, that bulk becomes a problem. A larger, rougher stool puts more pressure on damaged tissue and can worsen pain, cramping, or bleeding.
A low-fiber diet reduces stool volume and slows down how quickly food moves through the digestive tract. This gives the intestinal lining time to heal without constant mechanical irritation. It’s commonly used during flare-ups of Crohn’s disease, ulcerative colitis, and diverticulitis, as well as after procedures like ileostomy or colostomy surgery. If you have an intestinal stricture (a narrowed section of bowel), you may need to limit fiber long-term rather than just during flare-ups.
Colonoscopy preparation is another common reason. The general recommendation is to start a low-fiber diet three days before the procedure, then switch to clear liquids only (broth, popsicles, gelatin, ginger ale) the day before.
Transitioning Back to Normal Eating
A low-fiber diet is almost always temporary. Once your symptoms resolve or your doctor gives the green light, you’ll want to reintroduce fiber gradually rather than jumping back to a high-fiber diet overnight. Adding fiber too quickly can cause bloating, gas, and cramping, especially if your gut has been on a restricted diet for weeks.
A practical approach is to add one new high-fiber food every two to three days and see how your body responds. Start with cooked vegetables and soft fruits before moving on to whole grains, raw produce, and eventually legumes and nuts. Drinking extra water as you increase fiber helps your digestive system adjust without discomfort.