Eating, Diet, & Nutrition for Irritable Bowel Syndrome - NIDDK (2024)

How can my diet help treat the symptoms of IBS?

Your doctor may recommend changes in your diet to help treat symptoms of irritable bowel syndrome (IBS). Your doctor may suggest that you

  • eat more fiber
  • avoid gluten
  • follow a special diet called the low FODMAP diet

Different changes may help different people with IBS. You may need to change what you eat for several weeks to see if your symptoms improve. Your doctor may also recommend talking with a dietitian.

Eat more fiber

Fiber may improve constipation in IBS because it makes stool soft and easier to pass. The Dietary Guidelines for Americans, 2020–2025recommends that adults should get 22 to 34 grams of fiber a day.3

Two types of fiber are

  • soluble fiber, which is found in beans, fruit, and oat products
  • insoluble fiber, which is found in whole-grain products and vegetables

Research suggests that soluble fiber is more helpful in relieving IBS symptoms.

To help your body get used to more fiber, add foods with fiber to your diet a little at a time. Too much fiber at once can cause gas, which can trigger IBS symptoms. Adding fiber to your diet slowly, by 2 to 3 grams a day, may help prevent gas and bloating.

Eating, Diet, & Nutrition for Irritable Bowel Syndrome - NIDDK (1)

Avoid gluten

Your doctor may recommend avoiding foods that contain gluten—a protein found in wheat, barley, and rye—to see if your IBS symptoms improve. Foods that contain gluten include most cereal, grains, and pasta, and many processed foods. Some people with IBS have more symptoms after eating gluten, even though they do not have celiac disease.

Low FODMAP diet

Your doctor may recommend that you try a special diet—called the low FODMAP diet—to reduce or avoid certain foods that contain carbohydrates that are hard to digest. These carbohydrates are called FODMAPs.

Examples of foods that contain FODMAPs include

  • fruits such as apples, apricots, blackberries, cherries, mango, nectarines, pears, plums, and watermelon, or juice containing any of these fruits
  • canned fruit in natural fruit juice, or large amounts of fruit juice or dried fruit
  • vegetables such as artichokes, asparagus, beans, cabbage, cauliflower, garlic and garlic salts, lentils, mushrooms, onions, and sugar snap or snow peas
  • dairy products such as milk, milk products, soft cheeses, yogurt, custard, and ice cream
  • wheat and rye products
  • honey and foods with high-fructose corn syrup
  • products, including candy and gum, with sweeteners ending in “–ol,” such as sorbitol, mannitol, xylitol, and maltitol

Your doctor may suggest that you try the low FODMAP diet for a few weeks to see if it helps with your symptoms. If your symptoms improve, your doctor may recommend slowly adding foods that contain FODMAPs back into your diet. You may be able to eat some foods with FODMAPs without having IBS symptoms.

Reference

This content is provided as a service of the National Institute of Diabetes and Digestive and Kidney Diseases(NIDDK), part of the National Institutes of Health. NIDDK translates and disseminates research findings to increase knowledge and understanding about health and disease among patients, health professionals, and the public. Content produced by NIDDK is carefully reviewed by NIDDK scientists and other experts.

The NIDDK would like to thank:
Lin Chang, M.D., David Geffen School of Medicine, University of California Los Angeles

Eating, Diet, & Nutrition for Irritable Bowel Syndrome - NIDDK (2024)

FAQs

Eating, Diet, & Nutrition for Irritable Bowel Syndrome - NIDDK? ›

Eating, Diet, & Nutrition

Are eggs bad for IBS? ›

Eggs. Eggs digest easily and are a safe choice for people with IBS. Eggs can be enjoyed hard-boiled, soft-boiled, scrambled, or poached. Omelets and frittatas can be your meal of choice for breakfast, lunch, or dinner, and make a great option when eating out in a restaurant.

Are bananas bad for irritable bowel syndrome? ›

Unripe bananas are low in FODMAPS and therefore a better choice for people with IBS — although they're not as sweet or soft as ripe bananas. However, as bananas ripen, they accumulate a type of FODMAP called oligofructans. Therefore, ripe bananas are considered a high FODMAP food (6, 7 ).

Is peanut butter good for IBS? ›

If you have IBS and love peanut butter, good news! Peanut butter is a low FODMAP food. In its simplest form, it is just made of dry roasted peanuts, salt and oil, all of which are allowed on a low FODMAP diet. However, some brands add refined sugar and flavourings to enhance the peanut butter's taste.

Are salads good for IBS? ›

As many of you know, salads are a nutritious powerhouse chock full of antioxidants, healthy fats, and lean proteins. They are also a great source of fiber, a nutrient that is essential to gut health whether you have IBS-C, IBS- D, or IBS-M. Fiber not only helps you stay regular, but it also helps bind stool.

What should I drink first in the morning with IBS? ›

Fermented probiotic drinks, green smoothies, and green juices can be good options with IBS. Avoid high-FODMAP ingredients and excess sugar.

What is the best dinner for IBS? ›

Choose easier-to-digest proteins, such as eggs, chicken, turkey, fish, extra-firm tofu, and plain lactose-free greek yogurt. Lower-fat cooking methods, such as baking, roasting, steaming, boiling, and sautéing, can also help you avoid uncomfortable symptoms.

Are potatoes good for IBS? ›

Baked and Boiled Potatoes

Some people with IBS find cooked potatoes are easy to digest, which is good news because baked or boiled potatoes are a natural source of nutrients like potassium. Depending on how well a person with IBS tolerates fiber, the skin of the potato may need to be removed before it's cooked.

What are 5 foods to avoid if you have IBS? ›

Avoid IBS Trigger Foods

These include foods that are high in fat, caffeine, carbonation, alcohol, and insoluble fiber, like: Soda and seltzer. Coffee, tea, soda, and chocolate. Fried foods.

What vegetables should you avoid with IBS? ›

Vegetables like broccoli, Brussels sprouts, cabbage and cauliflower are high in sulfur and can cause bloating and gas. Try some of these vegetables to see if they are easier to digest: carrots, spinach, sweet potatoes, zucchini, green beans, celery and squash.

Can I eat popcorn if I have IBS? ›

Popcorn is naturally low in FODMAPs, which makes it a suitable food for people on a low-FODMAP diet to manage symptoms caused by IBS. One serving of low FODMAP popcorn can be up to 7 cups (56 grams) of popcorn. It is usually 4-5 cups more than the standard size.

Is salad bad for IBS? ›

A large salad loaded with raw vegetables, while generally super healthy, will usually make things worse for an IBS patient.

Are potatoes bad for IBS? ›

Some people with IBS find cooked potatoes are easy to digest, which is good news because baked or boiled potatoes are a natural source of nutrients like potassium. Depending on how well a person with IBS tolerates fiber, the skin of the potato may need to be removed before it's cooked.

Is pasta bad for IBS? ›

Even if you don't have celiac disease, you may have difficulty eating foods made with gluten-containing grains. That could be because they contain fructans, ​a type of FODMAP that is bothersome for many people with IBS. Gluten-containing foods include many popular items like pasta, bread, and baked goods.

References

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