Research Summary
Analyzed using Evidence Intelligence™

Probiotic BA-2591 may improve glycemic control in type 2 diabetes

Last updated August 16, 2026

Key finding

BA-2591 significantly attenuated fasting blood glucose elevation (Δ = +1.143 mg/dL vs. +12.570 mg/dL; p < 0.001)

This study investigated the effects of Bifidobacterium animalis subsp. lactis TISTR 2591 on metabolic parameters in adults with Type 2 Diabetes, finding significant improvements in fasting blood glucose and insulin resistance.

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 investigated the effects of Bifidobacterium animalis subsp. lactis TISTR 2591 on metabolic parameters in adults with Type 2 Diabetes, finding significant improvements in fasting blood glucose and insulin resistance.

Clinical relevance

These findings highlight the potential role of probiotics in managing Type 2 Diabetes, offering a complementary approach to traditional treatments. By improving metabolic parameters, such interventions could enhance patient outcomes and reduce the risk of diabetes-related complications.

Keep in mind

Limited sample size may affect generalizability. Short duration of the study may not capture long-term effects. Potential confounding factors not measured.

Published in

Journal Reference

Publication details and source links for this paper.

Wiritphon K, Kongsak B, Jaruwan S, et al. Effects of Bifidobacterium animalis subsp. lactis TISTR 2591 on Metabolic Parameters in Adults with Type 2 Diabetes. Nutrients. 2025;17(19):3097. doi:10.3390/nu17193097

Main Effects

BA-2591 significantly attenuated fasting blood glucose elevation (Δ = +1.143 mg/dL vs. +12.570 mg/dL; p < 0.001)

Minimized the increase in insulin resistance (HOMA-IR: Δ = +0.567 vs. +0.980; p = 0.006)

Enhanced β-cell function (HOMA-β: Δ = +6.791% vs. −8.313%; 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 F-Biotic Arishina and Adiponectin, C-reactive protein, Change in Cathepsin D Activity, and 9 more.

Primary intervention

F-Biotic Arishina

Primary outcomes

  • Adiponectin
  • C-reactive protein
  • Change in Cathepsin D Activity

Evidence relationships

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

12
Evidence pairs
12
Relationships
5
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: 72

5

Related topics

12

Evidence pairs

1151

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 12 evidence relationships
  • Includes primary outcome data
  • Linked to 5 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

Add related evidence to your Evidence Tracker

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Primary evidence

Evidence topic

Inflammatory and Vascular Markers

matched_outcome

Related evidence

Evidence topic

Beta-Cell Function

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Adiponectin

F-Biotic Arishina → Adiponectin

F-Biotic Arishina → Adiponectin

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

C-reactive protein

F-Biotic Arishina → C-reactive protein

F-Biotic Arishina → C-reactive protein

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

Change in body composition after 12 weeks of treatment

F-Biotic Arishina → Change in body composition after 12 weeks of treatment

F-Biotic Arishina → Change in body composition after 12 weeks of treatment

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

Change in Cathepsin D Activity

F-Biotic Arishina → Change in Cathepsin D Activity

F-Biotic Arishina → Change in Cathepsin D Activity

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

Change in Immunoglobulin G (IgG) levels

F-Biotic Arishina → Change in Immunoglobulin G (IgG) levels

F-Biotic Arishina → Change in Immunoglobulin G (IgG) levels

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

Change in Immunoglobulin M (IgM) levels

F-Biotic Arishina → Change in Immunoglobulin M (IgM) levels

F-Biotic Arishina → Change in Immunoglobulin M (IgM) levels

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

Fasting blood sugar (FBS)

F-Biotic Arishina → Fasting blood sugar (FBS)

F-Biotic Arishina → Fasting blood sugar (FBS)

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

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

F-Biotic Arishina → Homeostatic Model Assessment of Beta-cell function (HOMA-β)

F-Biotic Arishina → 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
Supporting studies: Based on 1 study
Add to Evidence Tracker

Insulin resistance

F-Biotic Arishina → Insulin resistance

F-Biotic Arishina → Insulin resistance

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

Interleukin-6 (IL-6)

F-Biotic Arishina → Interleukin-6 (IL-6)

F-Biotic Arishina → Interleukin-6 (IL-6)

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

LDL cholesterol

F-Biotic Arishina → LDL cholesterol

F-Biotic Arishina → LDL cholesterol

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

Malondialdehyde (MDA)

F-Biotic Arishina → Malondialdehyde (MDA)

F-Biotic Arishina → Malondialdehyde (MDA)

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

  • BA-2591 reduced fasting blood glucose elevation by 11.427 mg/dL (p < 0.001).
  • Insulin resistance increased less in the probiotic group by 0.413 units (p = 0.006).
  • β-cell function improved by 15.104% in the treatment group (p < 0.001).
who this applies

Who this applies to

  • Adults diagnosed with Type 2 Diabetes.
  • Individuals seeking complementary dietary interventions.
keep in mind

Keep in Mind

  • Results may not apply to other populations outside the study group.
  • Further research is needed to confirm long-term effects.
  • The study did not assess all potential confounding variables.
between the lines

Between the Lines

  • Limited sample size may affect generalizability.
  • Short duration of the study may not capture long-term effects.
  • Potential confounding factors not measured.

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 F-Biotic Arishina and Adipokine and Angiogenic Markers, F-Biotic Arishina and Body Composition.

Related evidence relationships

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 F-Biotic Arishina improve change in cathepsin d activity?

Emerging Evidence

F-Biotic Arishina appears to improve change in cathepsin d activity.

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

Ranked evidence signals

  1. 1

    Change in Cathepsin D Activity

    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 F-Biotic Arishina improve change in immunoglobulin g (IGG) levels?

Emerging Evidence

F-Biotic Arishina appears to improve change in immunoglobulin g (IGG) levels.

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

Ranked evidence signals

  1. 1

    Change in Immunoglobulin G (IgG) levels

    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 F-Biotic Arishina improve change in immunoglobulin m (IGM) levels?

Emerging Evidence

F-Biotic Arishina appears to improve change in immunoglobulin m (IGM) levels.

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

Ranked evidence signals

  1. 1

    Change in Immunoglobulin M (IgM) levels

    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 F-Biotic Arishina improve fasting blood sugar (FBS)?

Emerging Evidence

F-Biotic Arishina 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
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