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Diet

High-Fiber Diet

The Basics

The high-fiber diet aims to increase fiber intake to 25 to 40 grams per day, an amount linked to reduced risk of many chronic diseases, including cancer, heart disease, certain gastrointestinal conditions, and perhaps even obesity. As each has different benefits, both soluble fiber (found in beans, oats, and fruits) and insoluble fiber (found in vegetables, whole grains, and fruit skins) sources should be included in the diet. This diet does not restrict intake of any nutrients or foods; however, increasing fiber intake could naturally decrease calorie intake as high-fiber foods can be filling. This in turn could lead to weight loss.

  • Get the right amount—The average American gets about 10 grams of fiber per day, while the USDA Dietary Guidelines recommends 20 to 25 grams per day.
  • Easy does it—Increase fiber intake slowly to avoid unpleasant side effects.
  • Stay hydrated—Be sure to drink adequate water when eating a high fiber diet.

Best bets: Beans and legumes, whole grains, fruits, and vegetables

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The information presented here is for informational purposes only and was created by a team of US–registered dietitians and food experts. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements, making dietary changes, or before making any changes in prescribed medications. Information expires December 2020.