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High-fiber foods

Dietary fiber - self-care; Constipation - fiber

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Sources of fiber

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Description

Fiber is a substance found in plants. Dietary fiber, the kind you eat, is found in fruits, vegetables, and grains. Your body cannot digest fiber, so it passes through your intestines without being absorbed much.

Function

Dietary fiber adds bulk to your diet. Because it makes you feel full faster and for longer, it can help you with weight loss efforts or to maintain a healthy weight.

High fiber diets can also help with constipation.

What to Expect at Home

Slowly increase the amount of fiber in your diet. If you have bloating or gas, you have probably eaten too much and need to reduce the amount of fiber you eat for a few days. Drink plenty of fluids. When you increase fiber in your diet, you also need to get enough fluids. Not getting enough fluids may make constipation worse instead of better. Ask your health care provider or a dietitian how much fluid you should be getting each day.

The daily recommended intake (DRI) of fiber for adults 19 to 50 years old is 38 grams a day for men and 25 grams a day for women. To get more fiber into your diet, eat different types of foods, such as:

Read food labels carefully to see how much fiber they have. Fiber is found naturally in nutritious foods. If your diet is balanced, you likely do not need a fiber supplement. Whole wheat products have more fiber than refined grains. Choose foods that have higher amounts of fiber, such as whole-wheat bread versus white bread. Try to eat foods that are naturally high in fiber. Foods that have added fiber and fiber supplements do not always have some of the benefits of fiber, such as making you feel full.

Vegetables, Legumes, and Nuts

Vegetables are a good source of fiber. Eat more:

You can also get more fiber by eating:

Fruits

Fruits are another good source of fiber. Eat more:

Grains

Grains are another important source of dietary fiber. Eat more:

Related Information

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Fiber
Constipation in infants and children
How to read food labels
Constipation - self-care
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Diverticulitis - what to ask your doctor
Constipation - what to ask your doctor

References

Dahl WJ, Stewart ML. Position of the Academy of Nutrition and Dietetics: health implications of dietary fiber. J Acad Nutr Diet. 2015;115(11):1861-1870. PMID: 26514720 www.ncbi.nlm.nih.gov/pubmed/26514720.

Grodner M, Escott-Stump S, Dorner S. Carbohydrates. In: Grodner M, Escott-Stump S, Dorner S, eds. Nutritional Foundations and Clinical Applications. 6th ed. Philadelphia, PA: Elsevier Mosby; 2016:chap 5.

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Review Date: 7/14/2018  

Reviewed By: Emily Wax, RD, CNSC, University of Virginia Health System, Charlottesville, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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