Research Summary
Analyzed using Evidence Intelligence™

Probiotic improves metabolic profiles in type 2 diabetes patients

Last updated June 22, 2026

Key finding

IL-17 levels were significantly reduced (p < 0.05).

This study evaluated the effects of a multi-strain probiotic formula on inflammation, metabolism, and gut microbiota in patients with Type 2 Diabetes Mellitus, finding significant reductions in several inflammatory markers and metabolic indicators.

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 effects of a multi-strain probiotic formula on inflammation, metabolism, and gut microbiota in patients with Type 2 Diabetes Mellitus, finding significant reductions in several inflammatory markers and metabolic indicators.

Clinical relevance

These findings suggest that probiotics could be a valuable adjunct therapy for managing inflammation and metabolic issues in Type 2 Diabetes Mellitus. By potentially lowering inflammatory markers and improving blood sugar control, probiotics may help reduce the risk of complications associated with diabetes, offering a new avenue for patient care.

Keep in mind

The sample size and demographic characteristics may limit generalizability. No long-term follow-up data was collected to assess sustained effects. The study did not explore the specific mechanisms by which probiotics exert their effects.

Published in

Journal Reference

Publication details and source links for this paper.

Sijia Z, Yan Q, Wenjing H, et al. Effects of a Multi-Strain Probiotic Formula on Inflammation, Metabolism, and Gut Microbiota in Patients with Type 2 Diabetes Mellitus: A Randomized, Double-Blind, Placebo-Controlled Trial. Food Science & Nutrition. 2026;14(4):e71735. doi:10.1002/fsn3.71735

Main Effects

IL-17 levels were significantly reduced by 1 pg/mL (p < 0.05).

TNF-α levels were significantly reduced by 1 pg/mL (p < 0.05).

Total glycated hemoglobin (GHb) levels were significantly reduced (p < 0.05).

Fasting plasma glucose (FPG) levels were significantly reduced (p < 0.05).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Multi-species synbiotic (12 probiotic strains + FOS prebiotic) and Fasting Plasma Glucose (FPG), HbA1c, Interleukin-17 (IL-17), and 5 more.

Primary intervention

Multi-species synbiotic (12 probiotic strains + FOS prebiotic)

Primary outcomes

  • Fasting Plasma Glucose (FPG)
  • HbA1c
  • Interleukin-17 (IL-17)

Evidence relationships

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

8
Evidence pairs
8
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

8

Evidence pairs

1345

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 8 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

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Primary evidence

Evidence relationship

Probiotics and Synbiotics and HbA1c

Related evidence

Evidence relationship

Probiotics and Synbiotics and Fasting Glucose

Save evidence

Evidence relationship

Probiotics and Synbiotics and Inflammatory Markers

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Fasting Plasma Glucose (FPG)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Fasting Plasma Glucose (FPG)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
88
Very Positive
ConsistencyScore™
75
consistent
Supporting studies: Based on 4 studies
Add to Evidence Tracker

HbA1c

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → HbA1c

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → HbA1c

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 3 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 3 studies
Add to Evidence Tracker

Interleukin-17 (IL-17)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Interleukin-17 (IL-17)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Interleukin-17 (IL-17)

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

Serum arginine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum arginine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum arginine

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

Serum isoleucine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum isoleucine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum isoleucine

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

Serum threonine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum threonine

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Serum threonine

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

Short-chain fatty acids (SCFAs)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Short-chain fatty acids (SCFAs)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Short-chain fatty acids (SCFAs)

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

Tumor Necrosis Factor-alpha (TNF-α)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Tumor Necrosis Factor-alpha (TNF-α)

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) → Tumor Necrosis Factor-alpha (TNF-α)

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Supporting studies: Based on 2 studies
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • IL-17 and TNF-α levels decreased significantly, indicating reduced inflammation.
  • Serum levels of threonine, isoleucine, and arginine were significantly reduced.
  • Total glycated hemoglobin and fasting plasma glucose levels showed significant improvement.
who this applies

Who this applies to

  • Adults diagnosed with Type 2 Diabetes Mellitus.
  • Patients experiencing metabolic dysregulation or inflammation.
keep in mind

Keep in Mind

  • Results may not be applicable to all populations, particularly non-diabetic individuals.
  • The study focused on short-term effects; long-term benefits remain uncertain.
  • Further research is needed to confirm findings and explore mechanisms.
between the lines

Between the Lines

  • The sample size and demographic characteristics may limit generalizability.
  • No long-term follow-up data was collected to assess sustained effects.
  • The study did not explore the specific mechanisms by which probiotics exert their effects.

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 Probiotics and Synbiotics and Fasting Glucose, Probiotics and Synbiotics and HbA1c.

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 Probiotics and Synbiotics improve HbA1c?

Strong Evidence

Probiotics and Synbiotics appears to improve HbA1c.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 11 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
11 supporting studiesUpdated: Aug 2026

Does Probiotics and Synbiotics improve fasting glucose?

Strong Evidence

Probiotics and Synbiotics may improve Fasting Glucose.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 12 supporting studies with generally consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
12 supporting studiesUpdated: Aug 2026

Does Probiotics and Synbiotics improve inflammatory markers?

Strong Evidence

Probiotics and Synbiotics appears to improve Inflammatory Markers.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Tumor Necrosis Factor-alpha (TNF-α)

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 4 supporting studies with consistent results and a positive effect signal.

Limitations

  • Population details are unavailable.
4 supporting studiesUpdated: Aug 2026

Does Multi-species synbiotic (12 probiotic strains + FOS prebiotic) improve interleukin-17 (il-17)?

Emerging Evidence

Multi-species synbiotic (12 probiotic strains + FOS prebiotic) appears to improve Interleukin-17 (IL-17).

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

Ranked evidence signals

  1. 1

    Interleukin-17 (IL-17)

    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.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026
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