Resumen de Investigación
Analyzed using Evidence Intelligence™

Low-Calorie Diet Improves Metabolic Control in Obese T2 Diabetes Patients

Última actualización 16 de agosto de 2026

Key finding

Significant loss of body weight was observed (P < 0.05).

This study investigated the effects of a low-calorie diet on metabolic control and gut microbiota in type 2 diabetes patients, finding significant weight loss and changes in gut bacteria diversity.

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 a low-calorie diet on metabolic control and gut microbiota in type 2 diabetes patients, finding significant weight loss and changes in gut bacteria diversity.

Clinical relevance

These findings suggest that dietary interventions, such as a low-calorie diet, may be effective strategies for managing weight and potentially improving metabolic health in patients with type 2 diabetes, highlighting the importance of nutrition in diabetes care.

Keep in mind

Non-significant trends in some metabolic outcomes Lack of experimental validation for microbial biomarkers Results may not be generalizable to all diabetes populations

Published in

Referencia de la Revista

Publication details and source links for this paper.

Mongkontida U, Pornsawan P, Thanya C, Naraporn S. Dietary interventions can modulate the gut bacteria community and offer a complementary strategy for improving metabolic control in type 2 diabetes. Computational and Structural Biotechnology Journal. 2025;27:5307-5317. doi:10.1016/j.csbj.2025.11.043

Efectos Principales

Significant loss of body weight (-5.2 kg, p < 0.05)

Significant reduction in BMI (-1.8 kg/m², p < 0.05)

Significant loss of body fat mass (-3.5 %, p < 0.05)

Significant alterations in gut microbiota alpha diversity (p = 0.025)

Significant alterations in gut microbiota beta diversity (p = 0.002)

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Very-low-calorie ketogenic diet and BMI, Body fat mass, Body weight, and 8 more.

Primary intervention

Very-low-calorie ketogenic diet

Primary outcomes

  • BMI
  • Body fat mass
  • Body weight

Evidence relationships

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

11
Evidence pairs
11
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

11

Evidence pairs

1468

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 11 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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Evidencia principal

Relación de evidencia

Ketogenic Diets and Body Composition

Evidencia relacionada

Relación de evidencia

Ketogenic Diets and Body Weight

Guardar evidencia

Relación de evidencia

Ketogenic Diets and Fasting Glucose

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

BMI

Very-low-calorie ketogenic diet → BMI

Very-low-calorie ketogenic diet → 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

Body fat mass

Very-low-calorie ketogenic diet → Body fat mass

Very-low-calorie ketogenic diet → Body fat mass

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

Body weight

Very-low-calorie ketogenic diet → Body weight

Very-low-calorie ketogenic diet → Body weight

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 3 studies
ImpactScore™
100
Very Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Very-low-calorie ketogenic diet → Fasting Plasma Glucose (FPG)

Very-low-calorie ketogenic diet → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 3 studies
ImpactScore™
83
Positive
ConsistencyScore™
67
generally_consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Gut microbiota diversity

Very-low-calorie ketogenic diet → Gut microbiota diversity

Very-low-calorie ketogenic diet → Gut microbiota diversity

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

Very-low-calorie ketogenic diet → HbA1c

Very-low-calorie ketogenic diet → HbA1c

Evidence Intelligence™
EvidenceScore™
79
Strong
ImpactScore™
83
Positive
ConsistencyScore™
67
generally_consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Hospitalization rate

Very-low-calorie ketogenic diet → Hospitalization rate

Very-low-calorie ketogenic diet → Hospitalization rate

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Inferred activity in metabolic pathways

Very-low-calorie ketogenic diet → Inferred activity in metabolic pathways

Very-low-calorie ketogenic diet → Inferred activity in metabolic pathways

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

LDL cholesterol

Very-low-calorie ketogenic diet → LDL cholesterol

Very-low-calorie ketogenic diet → LDL cholesterol

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Microbial biomarkers

Very-low-calorie ketogenic diet → Microbial biomarkers

Very-low-calorie ketogenic diet → Microbial biomarkers

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Urinary tract infection rate

Very-low-calorie ketogenic diet → Urinary tract infection rate

Very-low-calorie ketogenic diet → Urinary tract infection rate

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Estudios de apoyo: Basado en 1 estudio
Add to Evidence Tracker

Evidence Library

Build your evidence library

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evidence suggest

La Evidencia Sugiere

  • Body weight decreased by 5.2 kg (p < 0.05)
  • BMI reduced by 1.8 kg/m² (p < 0.05)
  • Gut microbiota beta diversity increased significantly (p = 0.002)
who this applies

A quién se aplica

  • Adults with type 2 diabetes
  • Individuals seeking dietary interventions for metabolic control
keep in mind

Tener en Cuenta

  • The study's findings are based on a specific dietary intervention
  • Results may not apply to all types of diabetes or different age groups
  • Further research is needed to validate microbial biomarkers and metabolic outcomes
between the lines

Entre Líneas

  • Non-significant trends in some metabolic outcomes
  • Lack of experimental validation for microbial biomarkers
  • Results may not be generalizable to all diabetes populations

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 Ketogenic Diets and Body Weight, Ketogenic Diets and Fasting Glucose.

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 Ketogenic Diets improve body composition?

Strong Evidence

Ketogenic Diets may improve Body Composition.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Body fat mass

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

Why this answer: This answer is based on 5 supporting studies with consistent results and a positive effect signal.

Limitations

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

Does Ketogenic Diets affect body weight?

Strong Evidence

Ketogenic Diets appears to improve Body Weight.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Body weight

    EvidenceScore™ Strong | EvidenceScore™ 79.0 | 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 Ketogenic Diets improve fasting glucose?

Strong Evidence

Ketogenic Diets 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 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 3 supporting studies with generally consistent results and a positive effect signal.

Limitations

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

Does Ketogenic Diets improve HbA1c?

Strong Evidence

Ketogenic Diets may improve HbA1c.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 78.6 | moderate positive | ConsistencyScore™ Generally 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
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