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Dietary Fiber
URL of this page: https://medlineplus.gov/dietaryfiber.html

Dietary Fiber

Also called: Bulk, Roughage
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Summary

Fiber is a substance in plants. Dietary fiber is the kind you eat. It's a type of carbohydrate. You may also see it listed on a food label as soluble fiber or insoluble fiber. Both types have important health benefits.

Good sources of dietary fiber include:

  • Whole grains
  • Nuts and seeds
  • Fruit and vegetables

Dietary fiber adds bulk to your diet and makes you feel full faster, helping you control your weight. It helps digestion and helps prevent constipation. Most Americans don't eat enough dietary fiber. But add it to your diet slowly. Increasing dietary fiber too quickly can lead to gas, bloating, and cramps.

Centers for Disease Control and Prevention

Start Here

  • Dietary Fiber: Essential for a Healthy Diet (Mayo Foundation for Medical Education and Research) Also in Spanish
  • Easy Ways to Boost Fiber in Your Daily Diet (Academy of Nutrition and Dietetics)
  • How to Get More Fiber in Your Diet (American Academy of Family Physicians) Also in Spanish
  • Rough Up Your Diet: Fit More Fiber Into Your Day From the National Institutes of Health (National Institutes of Health)

Related Issues

  • Fiber Supplements: Safe to Take Every Day? (Mayo Foundation for Medical Education and Research) Also in Spanish
  • Fiber: The Carb that Helps You Manage Diabetes (Centers for Disease Control and Prevention)

Specifics

  • Low-Fiber Foods (American Cancer Society)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

  • Article: Impact of a mineral enriched, fiber complex on glycaemic response and...
  • Article: Characterizing gut microbial dysbiosis and exploring the effect of prebiotic fiber...
  • Article: Machine learning based gut microbiota pattern and response to fiber as...
  • Dietary Fiber -- see more articles

Find an Expert

  • American Cancer Society
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Children

  • Fiber and Your Child (Nemours Foundation) Also in Spanish

Teenagers

  • Fiber (Nemours Foundation) Also in Spanish

Patient Handouts

  • Fiber (Medical Encyclopedia) Also in Spanish
  • High-fiber foods (Medical Encyclopedia) Also in Spanish
  • Low-fiber diet (Medical Encyclopedia) Also in Spanish

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Dietary Fiber

MEDICAL ENCYCLOPEDIA

  • Fiber
  • High-fiber foods
  • Low-fiber diet

Related Health Topics

  • Colonic Diseases
  • Constipation

National Institutes of Health

The primary NIH organization for research on Dietary Fiber is the NIH Office of Dietary Supplements

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The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.

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