Resumen de Investigación
Analyzed using Evidence Intelligence™

Soluble fiber improves glycemic control in type 2 diabetes.

Última actualización 2 de septiembre de 2026

Key finding

BMI decreased from 31.8 to 30.9 kg/m² (p < 0.001)

This study evaluated the effects of soluble fiber supplementation on glycemic control and body weight in type 2 diabetes patients, finding significant improvements in several metabolic parameters.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Short-Term (≤3 mo)

Risk of bias

Some Concerns

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study evaluated the effects of soluble fiber supplementation on glycemic control and body weight in type 2 diabetes patients, finding significant improvements in several metabolic parameters.

Clinical relevance

These findings are clinically significant as they suggest that incorporating soluble fiber into the diet can help manage type 2 diabetes effectively. Improved glycemic control can lead to reduced risk of diabetes-related complications, enhancing overall patient health and quality of life.

Keep in mind

Limited sample size may affect generalizability. Short duration of the study may not capture long-term effects. Lack of diverse population limits applicability to broader groups.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Ayman SA, Ihab AN, Amin TH. Soluble fiber supplementation improves glycemic control and body weight in type 2 diabetes patients. Nutrition Journal. 2016;15:86. doi:10.1186/s12937-016-0207-4

Efectos Principales

BMI decreased from 31.8 to 30.9 kg/m² (p < 0.001)

Fasting Blood Sugar decreased from 163 to 119 mg/dl (p < 0.001)

HbA1c decreased from 8.5% to 7.5% (p < 0.001)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Insoluble fiber supplementation and BMI, C-peptide, Fasting blood sugar (FBS), and 4 more.

Primary intervention

Insoluble fiber supplementation

Primary outcomes

  • BMI
  • C-peptide
  • Fasting blood sugar (FBS)

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

7
Evidence pairs
7
Relationships
6
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 68

6

Related topics

7

Evidence pairs

1921

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 7 evidence relationships
  • Includes primary outcome data
  • Linked to 6 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Evidencia principal

Tema de evidencia

Beta-Cell Function

matched_outcome

Evidencia relacionada

Tema de evidencia

C-Peptide

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

BMI

Insoluble fiber supplementation → BMI

Insoluble fiber supplementation → BMI

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

C-peptide

Insoluble fiber supplementation → C-peptide

Insoluble fiber supplementation → C-peptide

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
25
Negative
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Fasting blood sugar (FBS)

Insoluble fiber supplementation → Fasting blood sugar (FBS)

Insoluble fiber supplementation → Fasting blood sugar (FBS)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

HbA1c

Insoluble fiber supplementation → HbA1c

Insoluble fiber supplementation → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Insoluble fiber supplementation → Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Insoluble fiber supplementation → Homeostatic Model Assessment of Beta-cell function (HOMA-β)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Insulin

Insoluble fiber supplementation → Insulin

Insoluble fiber supplementation → Insulin

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Insulin resistance

Insoluble fiber supplementation → Insulin resistance

Insoluble fiber supplementation → Insulin resistance

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Evidence Library

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evidence suggest

La Evidencia Sugiere

  • BMI reduced by 0.9 kg/m², indicating weight loss.
  • Fasting blood sugar levels decreased by 43.6 mg/dl.
  • HbA1c levels improved by 1%, showing better glycemic control.
who this applies

A quién se aplica

  • Adults aged 30-65 with type 2 diabetes.
  • Individuals seeking dietary interventions for diabetes management.
keep in mind

Tener en Cuenta

  • Results may not apply to all demographics.
  • Further research needed to confirm long-term benefits.
  • Dietary changes should be considered alongside other treatment options.
between the lines

Entre Líneas

  • Limited sample size may affect generalizability.
  • Short duration of the study may not capture long-term effects.
  • Lack of diverse population limits applicability to broader groups.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Insoluble fiber supplementation and Body Mass Index, Insoluble fiber supplementation and C-peptide Levels.

Relaciones de evidencia relacionadas

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Insoluble fiber supplementation affect BMI?

Emerging Evidence

Insoluble fiber supplementation appears to affect BMI.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    BMI

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Insoluble fiber supplementation improve fasting blood sugar (FBS)?

Emerging Evidence

Insoluble fiber supplementation appears to improve fasting blood sugar (FBS).

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Fasting blood sugar (FBS)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Insoluble fiber supplementation lower HbA1c?

Emerging Evidence

Insoluble fiber supplementation appears to lower HbA1c.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study

Does Insoluble fiber supplementation improve homeostatic model assessment of beta-cell function (homa-β)?

Emerging Evidence

Insoluble fiber supplementation appears to improve homeostatic model assessment of beta-cell function (homa-β).

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Homeostatic Model Assessment of Beta-cell function (HOMA-β)

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
1 supporting study
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