top of page

Fiber Side Effects: How High Fiber in Diet Can Lead to Stomach Troubles

Fiber is an essential part of a healthy diet. It helps to keep your digestive system healthy, reduce your risk of heart disease and stroke, and control your blood sugar levels. However, people tend to consume high fiber in diet and this leads to stomach upset or other side effects.

The recommended daily intake of fiber for adults is 25 grams for women and 38 grams for men. However, many people do not get this much fiber in their diet. If you are increasing your fiber intake, it is important to do so gradually to allow your body to adjust.

high fiber diet side effects

Here are some of the ways that high fiber diet can upset your stomach (side effects):

  • Gas and bloating: Fiber is not digested by the body, so it passes through the digestive system and is fermented by the bacteria in your gut. This fermentation process produces gas, which can lead to bloating and cramping.

  • Constipation: Fiber helps to keep stool soft and bulky, but too much fiber can actually make it harder to pass stool. This is because fiber absorbs water, and if you do not drink enough fluids, your stool can become dry and hard.

  • Diarrhea: In some cases, too much fiber can cause diarrhea. This is because fiber can irritate the lining of the intestines, which can lead to loose stools.

If you are experiencing stomach upset after increasing your fiber intake, there are a few things you can do to help relieve the symptoms:

  • Drink plenty of water: Fiber absorbs water, so it is important to drink plenty of fluids when you are increasing your fiber intake. This will help to keep your stool soft and bulky.

  • Eat slowly: Eating slowly gives your body more time to digest the fiber in your food.

  • Avoid fiber supplements: If you are experiencing stomach upset, it is best to avoid fiber supplements until your symptoms improve.

  • Choose low-fiber foods: There are some low-fiber foods that you can eat if you are experiencing stomach upset. These include bananas, rice, potatoes, and peeled apples.

If you are concerned about your fiber intake or if you are experiencing stomach upset after increasing your fiber intake, talk to your doctor or a registered dietitian. They can help you to develop a healthy eating plan that meets your individual needs.

Here are some additional tips for increasing your fiber intake without upsetting your stomach:

  • Start by increasing your fiber intake gradually. Add 5-10 grams of fiber to your diet each week until you reach the recommended daily intake.

  • Choose a variety of high-fiber foods. This will help to ensure that you are getting a variety of nutrients.

  • Cook high-fiber foods thoroughly. This will make them easier to digest.

  • Avoid processed foods and sugary drinks. These foods are often low in fiber and high in unhealthy fats and sugar.

If you have any underlying medical conditions, such as irritable bowel syndrome (IBS) or Crohn's disease, it is important to talk to your doctor before increasing your fiber intake.


Best Dietitian in Delhi NCR - Talks about Importance of Fiber in diet and Severe Stomach issues it can add
Dietitian Ankita Gupta Sehgal

I am Ankita Sehgal, a registered dietitian with over 14 years of experience in the field of nutrition. I am passionate about helping women with PCOS manage their symptoms and achieve healthy weight loss. I have helped over 6,000 clients with PCOS achieve their goals, and I am committed to providing personalized and evidence-based advice.

I am a certified PCOS dietitian and a member of the Academy of Nutrition and Dietetics. I am also a certified diabetes educator. I am a regular speaker at PCOS conferences and workshops, and I have been featured in several media outlets, including Deccan Herald, Times of India, Hindustan Times and Health magazines.

I am committed to helping women with PCOS live their best lives. I believe that diet and lifestyle changes can make a significant difference in managing PCOS symptoms and achieving healthy weight loss. I am a compassionate and knowledgeable dietitian who is dedicated to helping my clients reach their goals.

Here are some of the things that I can do to help my clients with PCOS:

  • I provide personalized nutrition counseling and advice.

  • I help clients develop healthy eating habits.

  • I create meal plans that are tailored to individual needs and preferences.

  • I educate clients about PCOS and its symptoms.

  • I support clients through their journey to healthy weight loss.

If you are a woman with PCOS, I encourage you to reach out to me for help. I am a knowledgeable and compassionate dietitian who can help you achieve your health goals.


bottom of page