Research Summary
Analyzed using Evidence Intelligence™

Probiotic improves glucose control in type 2 diabetes

Last updated September 1, 2026

Key finding

Total glucose AUC decreased by 36.1 mg/dL/180 min, p=0.0500.

This study evaluated the impact of probiotic supplementation on glucose control in adults with type 2 diabetes, showing some improvements in glucose metrics.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 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 impact of probiotic supplementation on glucose control in adults with type 2 diabetes, showing some improvements in glucose metrics.

Clinical relevance

Improving postprandial glucose control is crucial for managing type 2 diabetes, as elevated glucose levels can lead to serious health complications. This study suggests that probiotics could be a beneficial addition to dietary strategies aimed at better glucose management, potentially leading to improved patient outcomes.

Keep in mind

Unclear effectiveness for some outcomes. Small sample size may limit generalizability. Short duration of the study may not capture long-term effects.

Published in

Journal Reference

Publication details and source links for this paper.

Fanny P, Paul M, James B, et al. Probiotic supplementation improves postprandial glucose control in adults with type 2 diabetes: a randomized controlled trial. BMJ Open Diabetes Research & Care. 2020;8(1):e001319. doi:10.1136/bmjdrc-2020-001319

Main Effects

Total glucose AUC decreased by 36.1 mg/dL/180 min, p=0.0500.

A1c decreased by 0.6%, p=0.0540.

Incremental glucose AUC decreased by 28.6 mg/dL/180 min, p=0.0066.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to WBF-011 and Glucose area under the curve (AUC), HbA1c.

Primary intervention

WBF-011

Primary outcomes

  • Glucose area under the curve (AUC)
  • HbA1c

Evidence relationships

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

2
Evidence pairs
2
Relationships
3
Evidence topics
contributes_evidence

Editorial context

Why this study matters

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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: 60

3

Related topics

2

Evidence pairs

1264

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 2 evidence relationships
  • Includes primary outcome data
  • Linked to 3 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence topic

Glycemic Control

matched_outcome

Related evidence

Evidence topic

HbA1c Reduction

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Core evidence

Study findings

The primary outcomes reported in this study.

Glucose area under the curve (AUC)

WBF-011 → Glucose area under the curve (AUC)

WBF-011 → Glucose area under the curve (AUC)

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

HbA1c

WBF-011 → HbA1c

WBF-011 → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Total glucose AUC decreased by 36.1 mg/dL/180 min.
  • A1c levels reduced by 0.6%.
  • Incremental glucose AUC decreased by 28.6 mg/dL/180 min.
who this applies

Who this applies to

  • Adults diagnosed with type 2 diabetes.
  • Individuals seeking dietary interventions for glucose control.
keep in mind

Keep in Mind

  • Results may not be applicable to all populations.
  • Further research is needed to confirm long-term benefits.
  • Statistical significance does not always imply clinical relevance.
between the lines

Between the Lines

  • Unclear effectiveness for some outcomes.
  • Small sample size may limit generalizability.
  • Short duration of the study may not capture long-term effects.

Evidence Library

Build your evidence library

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Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on WBF-011 and Postprandial and OGTT Glucose, WBF-011 and HbA1c.

Related evidence relationships

Explore in Evidence Explorer

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

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
View evidence

Questions answered by this study

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

Does WBF-011 improve glucose area under the curve (AUC)?

Emerging Evidence

WBF-011 appears to improve glucose area under the curve (AUC).

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

Ranked evidence signals

  1. 1

    Glucose area under the curve (AUC)

    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 WBF-011 lower HbA1c?

Emerging Evidence

Current evidence does not show a clear benefit of WBF-011 for HbA1c.

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

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | neutral | 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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