Latest
Wednesday, November 4, 2026
  • New YorkNY
  • LondonLDN
  • TokyoTYO
Style

Crohn's Disease Patients May Experience Anxiety from Fiber-Rich Foods

Individuals with Crohn's disease may experience anxiety about consuming fiber-rich foods due to unpredictable tolerance levels.

Everything You Need to Know About Fiber and Crohn's Disease, According to Dietitians
Source: GQ

A significant number of people with Crohn's disease experience anxiety when thinking about consuming fiber-rich foods, due to their unpredictable tolerance levels.

Certain foods that are high in fiber can be particularly challenging for individuals with the condition, even those that seem harmless like omelets or fruit smoothies.

As a result, many people with Crohn's avoid fiber altogether, which is not uncommon given research suggesting they tend to consume relatively little of it, even during periods of remission.

A 2015 study found that individuals with Crohn's averaged just 16 grams of fiber per day, well below the recommended daily intake for men of 38 grams.

Experts caution against adhering to a low-fiber diet as a means of managing Crohn's symptoms, despite its potential benefits in reducing inflammation and improving gut health.

Fiber is a type of carbohydrate found in plant-based foods that the body cannot fully break down or absorb.

It resists digestion in the stomach and small intestine, and depending on its type, it is either partially or fully fermented by gut bacteria in the colon.

There are two main types of fiber: insoluble and soluble. Each has distinct functions and benefits for overall health.

Insoluble fiber passes through the gastrointestinal tract largely intact, adding bulk to stools and helping to regulate bowel movements.

Foods rich in insoluble fiber include pear and apple skins, raspberries, wheat bran, leafy greens like kale and collard greens, nuts, seeds, and legumes.

Fiber intake during a Crohn's disease flare can be a delicate matter, requiring careful consideration of individual tolerance levels.

Registered dietitians suggest that amounts should gradually increase as symptoms subside, but it's essential not to overdo it initially.

Anya Argosh, MS, RD, advises against consuming excessive fiber when experiencing active symptoms, recommending moderation instead.

Dahlia Marin, RDN, LD, CGN, cautions that eliminating all fiber may not be necessary during a flare, especially for those without strictures in the gastrointestinal tract.

Historically, people with Crohn's were often advised to follow a low-fiber diet when experiencing diarrhea, abdominal pain, or increased bowel movements.

When dealing with a stricture, it's crucial to modify eating habits to minimize the risk of an obstruction. This involves consuming softer foods or adjusting textures, limiting insoluble fiber sources, and chewing thoroughly. It's essential to note that individuals with strictures have unique dietary needs, and a personalized plan should be developed in collaboration with a healthcare provider.

The importance of individualized planning cannot be overstated, as people respond differently to various diets. A healthcare provider can work with the individual to create a tailored approach, taking into account their specific nutritional requirements and health status. This collaborative effort enables individuals to make informed decisions about their diet and avoid exacerbating symptoms.

Some healthcare professionals recommend a low-FODMAP diet during active flare-ups of Crohn's disease. This short-term strategy may help alleviate symptoms triggered by fermentable carbohydrates that can be challenging for the gut to process. High-FODMAP foods, such as certain beans, legumes, cabbage, cauliflower, garlic, and onions, can cause discomfort in some individuals.

A low-FODMAP diet is often employed on a temporary basis in people with irritable bowel syndrome (IBS) to identify symptom triggers. This approach may also benefit individuals with Crohn's disease who experience IBS-like symptoms. By temporarily removing high-FODMAP foods from the diet, it's possible to determine which specific foods are contributing to discomfort.

When increasing fiber intake with Crohn's disease, a gradual and cautious approach is recommended. Introducing too much fiber at once can worsen symptoms, leading to bloating and discomfort. To avoid this, individuals should start by incorporating small portions of well-tolerated fiber-rich foods throughout the day, then gradually expand their fiber intake.

A "low and slow" approach to adding more fiber to the diet is essential for managing Crohn's disease. This involves pacing fiber introduction, rather than forcing it, as suggested by healthcare professionals. By spreading out high-fiber foods and gradually increasing the types and amounts consumed, individuals can minimize discomfort and promote a healthier digestive system.

A multi-step approach to increasing fiber intake is recommended by some experts, starting with soft fruits, vegetables, and grains that are easy on the digestive system.

This may include foods such as potatoes, white rice, and bananas, which can be gradually replaced with harder-to-digest options like salad, seeds, corn, celery, and dried fruit.

It's also essential to remember that hydration levels should increase alongside fiber intake to prevent constipation and soften stools.

As individuals adjust to a higher-fiber diet, they may experience some discomfort, but spreading out high-fiber foods over time can minimize this effect and promote a healthier digestive system.

Incorporating more plant-based foods into one's diet is generally the best way to increase fiber intake, as these foods not only provide vitamins and minerals but also antioxidants that support overall health and may help reduce inflammation.

Fruits, vegetables, whole grains, and other plant-based foods offer numerous benefits beyond just fiber content, making them an ideal choice for those looking to boost their fiber levels naturally.

A registered dietitian can play a crucial role in helping individuals with Crohn's disease manage their condition through diet. They can assess nutrient deficiencies and develop a personalized eating plan that takes into account any specific dietary needs or restrictions.

Identifying trigger foods is another key aspect of managing Crohn's disease, and a registered dietitian can help with this process as well. However, it's essential to note that triggers can vary significantly from person to person, making it challenging to pinpoint them.

The presence of strictures, post-surgical dietary needs, or other complications related to Crohn's disease may also require the expertise of a registered dietitian. In some cases, individuals with Crohn's may need to undergo trial and error to determine which foods work for them and which ones don't.

It is vital that individuals with new or worsening symptoms seek medical attention, particularly if they experience persistent abdominal pain, frequent diarrhea, blood in their stool, unexplained weight loss, fatigue, or vomiting.

Facts based on reporting originally published by GQ.

You may republish this story, in full or in part, if you credit News Central Site and link to it (licence CC BY 4.0). Photos are not included.