Evidence map›Paper›PMID 28252255›Full record

ReviewJournal of the American Association of Nurse Practitioners2017

Fiber supplements and clinically proven health benefits: How to recognize and recommend an effective fiber therapy.

Kellen V Lambeau, Johnson W McRorie

Abstract readReview
In one paragraph

Review in Journal of the American Association of Nurse Practitioners, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  9. Physiological and Metabolic Effects ofLife (Basel, Switzerland) · 2025
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  16. The Association between Prebiotic Fiber Supplement Use and Colorectal Cancer Risk and Mortality in the Women's Health Initiative.Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology · 2019
    Article
  17. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

Kellen V LambeauEmployee and Community Health, Mayo Clinic, Rochester, Minnesota.
Johnson W McRorieGlobal Clinical Sciences, Procter & Gamble, Mason, Ohio.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOnly 5% of adults consume the recommended level of dietary fiber. Fiber supplements appear to be a convenient and concentrated source of fiber, but most do not provide the health benefits associated with dietary fiber. PURPOSE: This review will summarize the physical effects of isolated fibers in small and large intestines, which drive clinically meaningful health benefits. DATA SOURCES: A comprehensive literature review was conducted (Scopus and PubMed) without limits to year of publication (latest date included: October 31, 2016).

conclusionsThe physical effects of fiber in the small intestine drive metabolic health effects (e.g., cholesterol lowering, improved glycemic control), and efficacy is a function of the viscosity of gel-forming fibers (e.g., psyllium, β-glucan). In the large intestine, fiber can provide a laxative effect if (a) it resists fermentation to remain intact throughout the large intestine, and (b) it increases percentage of water content to soften/bulk stool (e.g., wheat bran and psyllium). IMPLICATIONS FOR PRACTICE: It is important for nurse practitioners to understand the underlying mechanisms that drive specific fiber-related health benefits, and which fiber supplements have rigorous clinical data to support a recommendation. CLINICAL PEARL: For most fiber-related beneficial effects, "Fiber needs to gel to keep your patients well."

Indexed as

beta-GlucansDietary FiberDietary SupplementsGlucansHumansIntestine, SmallInulinMetabolismPsylliumbeta-GlucansDietary FiberGlucansInulinpolydextrosePsylliumadvanced practice nurseDietary fiberlarge intestinenurse practitionersmall intestinetherapeuticsviscosity

Identifiers

PMID28252255
PMCPMC5413815

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.