Foods That Cause Constipation (and What to Eat Instead)
2026-09-04 · By the Diet for Constipation data editorial team · 1,233 words
The foods that cause constipation are, in most cases, the refined-and-dry ones: white bread and white rice, hard cheeses, red meat, fried snacks and chips, and low-fiber sweets like ice cream and cookies. None of them is poison, and a single meal will not stop your gut. The problem is arithmetic — these foods carry almost no fiber and little water, and every one of them occupies a plate slot that a fiber food could have filled. Here is the number behind each, from our USDA-based ratings, and the swaps that fix a slow day without turning dinner into a negotiation.
How a food ends up in the red zone
Four patterns send a food to the bottom of our ratings. Fiber stripped out: refining grains removes the bran and germ — exactly where the fiber lives — which is how a wheat field becomes a 0.8 g-per-slice loaf of white bread. Water wrung out or never there: hard cheese carries just 37 g of water per 100 g, so its calories arrive concentrated and dry. Fat doing the displacing: fried foods deliver their calories in a fat load that empties from the stomach slowly, pushing fiber foods off the plate. Processing profile: many shelf-stable snacks combine low moisture with refined flour and added sugar — the precise opposite of what the colon needs to do its work.
The usual suspects, with their numbers
White bread and white rice
A slice of commercial white bread (28 g) carries about 0.8 g of fiber; a loosely packed cup of steamed white rice (132 g) manages 1.2 g. Neither will stop you up on its own — but both routinely appear three times a day, and the fiber they fail to deliver has to come from somewhere else that day. That is the quiet mechanism: red-rated foods constipate less by act and more by omission.
Cheese and the dairy density problem
Cheddar carries 0.0 g of fiber per 100 g and only about 37 g of water — the densest spot on the dairy shelf. A generous dice (132 g in a cup) is a lot of calories with literally nothing for the gut to move. To be fair to dairy: it is not the villain for most people, and yogurt rates yellow, not red, in our full verdict. The practical trouble concentrates in the hard, aged, low-moisture end of the case.
Red meat
Lean ground beef carries 0.0 g of fiber per 100 g. Meat does not glue the gut shut; the issue is what it replaces. A 113 g patty fills a plate that a cup of lentils would have filled with around 15 g of fiber. On days when meat anchors both lunch and dinner, the fiber gap widens fast — and fried meat preparations pile a second problem on top of the first.
Fried snacks, chips, and the fiber mirage
French fries land red in our system even though a serving carries 3 to 4 g of fiber on paper — the frying profile and fat load earn the veto. Potato chips run 3.1 g of fiber per 100 g with barely 2 g of water; the bag reads better than the biology. This is the one corner of the list where a decent-looking fiber number cannot save a food.
Sweets: ice cream, cookies, milk chocolate
Vanilla ice cream carries 0.7 g of fiber per 100 g; a chocolate cookie roughly 1.6 g. These are the clearest case of displacement — a dessert slot filled here is a fruit slot left unfilled. Milk chocolate adds a wrinkle: some people report it backs them up personally, and the fat-plus-sugar-low-moisture profile makes that plausible even though its fiber number (3.4 g per 100 g) looks harmless.
A word on alcohol
Beer and spirits carry no fiber at all, and alcohol nudges the body toward fluid loss. A drink with dinner is a lifestyle question, not a food rating — but during a slow week, the evening pour is part of the arithmetic.
The banana asterisk
Bananas rate yellow in our system at 2.6 g of fiber per 100 g, and the ripeness question is real: less ripe bananas carry more resistant starch, which behaves differently in the gut than the sugars of a speckled one. For most people a ripe banana is a perfectly good snack. If you are in a slow week, pick the spotty ones and slice them over your morning oats — the fruit gets sweeter as its starch converts, and your gut gets the easier version of both.
Swaps that keep the day moving
The pattern in every good swap is the same: do not subtract, replace. Red-rated foods leave a hole; green-rated ones fill it.
| Instead of | Try | What changes |
|---|---|---|
| White bread (0.8 g per slice) | Whole-wheat bread (1.9 g per slice) | +1.1 g on every sandwich, three meals a day |
| White rice side (1.2 g per cup) | Lentil pilaf (a cooked cup lands near 15 g*) | The single biggest upgrade on this page |
| Cheese-and-crackers snack | Plain yogurt with sliced kiwifruit | From 0 g to about 5 g, plus live cultures |
| Potato chips (3.1 g per 100 g, no water) | Air-popped popcorn (14.5 g per 100 g) | Same hand-to-mouth habit, five times the fiber |
| Ice cream (0.7 g per 100 g) | A cup of raspberries (8.0 g) | Dessert slot kept, arithmetic flipped |
*Cooked-lentil figure from USDA cooked values; our database lists dry weight (10.7 g per 100 g).
FAQ
Do eggs cause constipation?
Eggs carry 0 g of fiber per 100 g, so a big egg breakfast contributes nothing toward your daily target — but there is nothing in eggs that actively slows the colon. The realistic issue is the plate around them: white toast and bacon leave the meal with no fiber at all. Add peas, whole-wheat toast, or a sliced pear and the same breakfast changes character.
Can cheese really constipate you?
For most adults, cheese is an indirect contributor: 0 g of fiber with very little water, eaten in portions that crowd out fiber foods. The exception pattern seen in research involves young children with suspected cow's milk protein sensitivity, in whom removing dairy improved chronic constipation — a scenario for a clinician's guidance, not a DIY trial.
What should I cut back on first during a slow stretch?
Start with the refined-and-dry category — white bread, white rice, chips, and sweets — because those swaps hurt least and pay most. Do not slash everything at once, and do not drop your fiber intake suddenly; keep the water going and make one or two swaps a day.
How fast do the swaps make a difference?
Transit responds over days, not hours. Most people notice the effect of consistent swaps within two to four days, assuming water intake keeps pace. If a week of genuine changes changes nothing — or if symptoms are severe or sudden — that is a conversation for a clinician, not a longer grocery list.
Sources
- USDA FoodData Central — fiber, water, and portion weights for all foods above (entries as rated in our rule library)
- Dairy and childhood constipation evidence: see our yogurt verdict for study identifiers
Want the reasoning behind a specific food? Every single-food verdict so far lives in the Food Verdicts archive.
This article is informational only, based on published research and USDA data. It is maintained by our data editorial team — not medical professionals. Nothing here is medical advice.