Resumen de Investigación
Analyzed using Evidence Intelligence™

Time-restricted diet aids glucose control in diabetes

Última actualización 22 de agosto de 2026

Key finding

HbA1c decreased by -3 [−6, −0.3] mmol/mol vs -4 [−6, −2] mmol/mol, p = 0.386.

This study evaluated the effects of early time-restricted carbohydrate consumption on glucose and body weight management in type 2 diabetes.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Long-Term (1–5 y)

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 early time-restricted carbohydrate consumption on glucose and body weight management in type 2 diabetes.

Clinical relevance

Understanding the effectiveness of different dietary strategies is crucial for managing type 2 diabetes. This study suggests that early time-restricted carbohydrate consumption may not provide additional benefits compared to a Mediterranean-style diet, which is important for dietary recommendations.

Keep in mind

The study had a limited sample size. Results may not be generalizable to all populations with type 2 diabetes. No long-term follow-up data were provided.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Domenico T, Maria CM, Simona B, et al. Early time-restricted carbohydrate consumption improves glucose and body weight management in type 2 diabetes. Diabetologia. 2023;67(2):263-274. doi:10.1007/s00125-023-06045-9

Efectos Principales

HbA1c decreased by -3 mmol/mol in the eTRC group vs -4 mmol/mol in the control group, p = 0.386.

Both groups achieved similar reductions in body weight.

Fasting plasma glucose levels showed no significant difference between groups.

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Mediterranean diet, Time-Restricted Eating (TRE) and Body fat mass, Body weight, Fasting Plasma Glucose (FPG), and 5 more.

Primary intervention

Mediterranean diet

Primary outcomes

  • Body fat mass
  • Body weight
  • Fasting Plasma Glucose (FPG)

Evidence relationships

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

16
Evidence pairs
16
Relationships
7
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

7

Related topics

16

Evidence pairs

2194

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 16 evidence relationships
  • Includes primary outcome data
  • Linked to 7 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

Dietary Patterns

matched_intervention_and_outcome

Evidencia relacionada

Tema de evidencia

Cardiometabolic Risk

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Body fat mass

Mediterranean diet → Body fat mass

Mediterranean diet → Body fat mass

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

Body weight

Mediterranean diet → Body weight

Mediterranean diet → Body weight

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 3 studies
ImpactScore™
83
Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 3 estudios
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Mediterranean diet → Fasting Plasma Glucose (FPG)

Mediterranean diet → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Glucose variability

Mediterranean diet → Glucose variability

Mediterranean diet → Glucose variability

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

HbA1c

Mediterranean diet → HbA1c

Mediterranean diet → HbA1c

Evidence Intelligence™
EvidenceScore™
85
Strong
ImpactScore™
71
Positive
ConsistencyScore™
57
generally_consistent
Estudios de apoyo: Basado en 7 estudios
Add to Evidence Tracker

Insulin resistance

Mediterranean diet → Insulin resistance

Mediterranean diet → Insulin resistance

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
76
Positive
ConsistencyScore™
75
consistent
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Liver function tests

Mediterranean diet → Liver function tests

Mediterranean diet → Liver function tests

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

Triglycerides

Mediterranean diet → Triglycerides

Mediterranean diet → Triglycerides

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Body fat mass

Time-Restricted Eating (TRE) → Body fat mass

Time-Restricted Eating (TRE) → Body fat mass

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
50
Neutral
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Body weight

Time-Restricted Eating (TRE) → Body weight

Time-Restricted Eating (TRE) → Body weight

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
88
Very Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Fasting Plasma Glucose (FPG)

Time-Restricted Eating (TRE) → Fasting Plasma Glucose (FPG)

Time-Restricted Eating (TRE) → Fasting Plasma Glucose (FPG)

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

Glucose variability

Time-Restricted Eating (TRE) → Glucose variability

Time-Restricted Eating (TRE) → Glucose variability

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

HbA1c

Time-Restricted Eating (TRE) → HbA1c

Time-Restricted Eating (TRE) → HbA1c

Evidence Intelligence™
EvidenceScore™
Strong
Score 79 · Based on 4 studies
ImpactScore™
63
Slightly Positive
ConsistencyScore™
75
consistent
Estudios de apoyo: Basado en 4 estudios
Add to Evidence Tracker

Insulin resistance

Time-Restricted Eating (TRE) → Insulin resistance

Time-Restricted Eating (TRE) → Insulin resistance

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

Liver function tests

Time-Restricted Eating (TRE) → Liver function tests

Time-Restricted Eating (TRE) → Liver function tests

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

Triglycerides

Time-Restricted Eating (TRE) → Triglycerides

Time-Restricted Eating (TRE) → Triglycerides

Evidence Intelligence™
EvidenceScore™
Moderate
Score 69 · Based on 2 studies
ImpactScore™
75
Positive
ConsistencyScore™
35
mixed
Estudios de apoyo: Basado en 2 estudios
Add to Evidence Tracker

Evidence Library

Build your evidence library

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

evidence suggest

La Evidencia Sugiere

  • HbA1c levels decreased similarly in both dietary groups.
  • Fasting plasma glucose showed no significant differences.
  • Body weight reductions were comparable across both diets.
who this applies

A quién se aplica

  • Adults diagnosed with type 2 diabetes.
  • Individuals interested in dietary interventions for diabetes management.
keep in mind

Tener en Cuenta

  • The study's findings may not apply to younger populations.
  • The short duration of the study limits long-term applicability.
  • Differences in individual responses to diets were not assessed.
between the lines

Entre Líneas

  • The study had a limited sample size.
  • Results may not be generalizable to all populations with type 2 diabetes.
  • No long-term follow-up data were provided.

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 Mediterranean diet and HbA1c, Mediterranean diet 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 Mediterranean diet improve HbA1c?

Strong Evidence

Mediterranean diet may improve HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 84.9 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

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

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Time-Restricted Eating (TRE) affect body weight?

Strong Evidence

Time-Restricted Eating (TRE) 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 a single supporting study.

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Mediterranean diet affect body weight?

Strong Evidence

Mediterranean diet may improve Body weight.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Body weight

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

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

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026

Does Mediterranean diet improve insulin resistance?

Strong Evidence

Mediterranean diet may improve Insulin resistance.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Insulin resistance

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

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

Limitations

  • Only one supporting study is available.
  • Population details are unavailable.
1 supporting studyUpdated: Aug 2026
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