Resumen de Investigación
Analyzed using Evidence Intelligence™

Very low carbohydrate diet improves glycemic control in diabetic kidney disease

Última actualización 24 de agosto de 2026

Key finding

VLCBD group showed significantly lower daily carbohydrate intake 27 (IQR25) g vs 89.33 (IQR77.4) g, p<0.001.

This study evaluated the safety and effects of a Very Low Carbohydrate Diet (VLCBD) in patients with Type 2 Diabetes and Diabetic Kidney Disease, finding significant reductions in carbohydrate intake, insulin dose, and weight.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Extended (5–20+ 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 safety and effects of a Very Low Carbohydrate Diet (VLCBD) in patients with Type 2 Diabetes and Diabetic Kidney Disease, finding significant reductions in carbohydrate intake, insulin dose, and weight.

Clinical relevance

The findings of this study are significant as they suggest that a Very Low Carbohydrate Diet may improve metabolic control in patients with Type 2 Diabetes and Diabetic Kidney Disease. Given the rising prevalence of diabetes and its complications, dietary interventions like VLCBD could offer a practical and effective strategy for managing these conditions, potentially reducing the need for medication and improving overall health outcomes.

Keep in mind

The study's sample size and demographic diversity may limit generalizability. Long-term effects of VLCBD were not assessed in this trial. Potential confounding factors were not fully controlled.

Published in

Referencia de la Revista

Publication details and source links for this paper.

Nur AZ, Nur’ AEW, Aimi FM, et al. Safety and Effects of Very Low Carbohydrate Diet in Patients with Type 2 Diabetes and Diabetic Kidney Disease. PLOS ONE. 2021;16(10):e0258507. doi:10.1371/journal.pone.0258507

Efectos Principales

VLCBD group had a significantly lower daily carbohydrate intake of 27 g compared to 89.33 g in the LPD group (p<0.001).

Total daily insulin dose was significantly reduced in the VLCBD group by 39 IU (p<0.001).

Weight reduction was greater in the VLCBD group, with a mean loss of -4.0 kg compared to 0.2 kg in the LPD group (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 High-protein vegan diet with mycoprotein, Low-carbohydrate diet and Fasting Plasma Glucose (FPG), HbA1c, Initial weight reduction in non-achievers, and 3 more.

Primary intervention

High-protein vegan diet with mycoprotein

Primary outcomes

  • Fasting Plasma Glucose (FPG)
  • HbA1c
  • Initial weight reduction in non-achievers

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: 68

5

Related topics

12

Evidence pairs

1993

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

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Evidencia principal

Relación de evidencia

Low-Carbohydrate Diet Education and Insulin Resistance

Evidencia relacionada

Relación de evidencia

Low-Carbohydrate Diet Education and HbA1c

Guardar evidencia

Relación de evidencia

Low-Carbohydrate Diet Education and Fasting Glucose

Guardar evidencia

Core evidence

Study findings

The primary outcomes reported in this study.

Fasting Plasma Glucose (FPG)

High-protein vegan diet with mycoprotein → Fasting Plasma Glucose (FPG)

High-protein vegan diet with mycoprotein → Fasting Plasma Glucose (FPG)

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

High-protein vegan diet with mycoprotein → HbA1c

High-protein vegan diet with mycoprotein → HbA1c

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

Initial weight reduction in non-achievers

High-protein vegan diet with mycoprotein → Initial weight reduction in non-achievers

High-protein vegan diet with mycoprotein → Initial weight reduction in non-achievers

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

Interleukin-6 (IL-6)

High-protein vegan diet with mycoprotein → Interleukin-6 (IL-6)

High-protein vegan diet with mycoprotein → Interleukin-6 (IL-6)

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

Median daily carbohydrate intake

High-protein vegan diet with mycoprotein → Median daily carbohydrate intake

High-protein vegan diet with mycoprotein → Median daily carbohydrate intake

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

Total daily insulin dose

High-protein vegan diet with mycoprotein → Total daily insulin dose

High-protein vegan diet with mycoprotein → Total daily insulin dose

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

Fasting Plasma Glucose (FPG)

Low-carbohydrate diet → Fasting Plasma Glucose (FPG)

Low-carbohydrate diet → Fasting Plasma Glucose (FPG)

Evidence Intelligence™
EvidenceScore™
84
Strong
ImpactScore™
90
Very Positive
ConsistencyScore™
100
consistent
Estudios de apoyo: Basado en 5 estudios
Add to Evidence Tracker

HbA1c

Low-carbohydrate diet → HbA1c

Low-carbohydrate diet → HbA1c

Evidence Intelligence™
EvidenceScore™
86
Strong
ImpactScore™
83
Positive
ConsistencyScore™
67
generally_consistent
Estudios de apoyo: Basado en 19 estudios
Add to Evidence Tracker

Initial weight reduction in non-achievers

Low-carbohydrate diet → Initial weight reduction in non-achievers

Low-carbohydrate diet → Initial weight reduction in non-achievers

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

Interleukin-6 (IL-6)

Low-carbohydrate diet → Interleukin-6 (IL-6)

Low-carbohydrate diet → Interleukin-6 (IL-6)

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

Median daily carbohydrate intake

Low-carbohydrate diet → Median daily carbohydrate intake

Low-carbohydrate diet → Median daily carbohydrate intake

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

Total daily insulin dose

Low-carbohydrate diet → Total daily insulin dose

Low-carbohydrate diet → Total daily insulin dose

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

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evidence suggest

La Evidencia Sugiere

  • VLCBD led to a decrease in daily carbohydrate intake by 102.33 g (p<0.001).
  • Insulin doses decreased by 39 IU in the VLCBD group (p<0.001).
  • Weight loss of -4 kg was observed in the VLCBD group (p<0.001).
who this applies

A quién se aplica

  • Adults diagnosed with Type 2 Diabetes.
  • Patients with Diabetic Kidney Disease.
keep in mind

Tener en Cuenta

  • Results may not apply to all populations with diabetes.
  • The study focused on short-term outcomes; long-term effects remain unknown.
  • Dietary adherence and individual responses to VLCBD may vary.
between the lines

Entre Líneas

  • The study's sample size and demographic diversity may limit generalizability.
  • Long-term effects of VLCBD were not assessed in this trial.
  • Potential confounding factors were not fully controlled.

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 Low-Carbohydrate Diet Education and HbA1c, Low-Carbohydrate Diet Education 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 Low-Carbohydrate Diet Education improve insulin resistance?

Strong Evidence

Low-Carbohydrate Diet Education may improve insulin resistance.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Total daily insulin dose

    EvidenceScore™ Moderate | EvidenceScore™ 69.0 | moderate positive | ConsistencyScore™ Mixed | 1 study

Why this answer: This answer is based on 9 supporting studies with generally consistent results and a positive effect signal.

9 supporting studies

Does Low-Carbohydrate Diet Education lower HbA1c?

Strong Evidence

Low-Carbohydrate Diet Education may lower HbA1c.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Strong | EvidenceScore™ 85.6 | moderate positive | ConsistencyScore™ Generally Consistent | 1 study

Why this answer: This answer is based on 22 supporting studies with generally consistent results and a positive effect signal.

22 supporting studies

Does Low-Carbohydrate Diet Education improve fasting glucose?

Strong Evidence

Low-Carbohydrate Diet Education may improve fasting glucose.

ConsistencyScore™: Results are consistent across studies.

Ranked evidence signals

  1. 1

    Fasting Plasma Glucose (FPG)

    EvidenceScore™ Strong | EvidenceScore™ 84.3 | strong positive | ConsistencyScore™ Consistent | 1 study

Why this answer: This answer is based on 10 supporting studies with consistent results and a positive effect signal.

10 supporting studies

Does Low-Carbohydrate Diet Education improve inflammatory markers?

Strong Evidence

Low-Carbohydrate Diet Education may improve inflammatory markers.

ConsistencyScore™: Results are generally consistent across studies.

Ranked evidence signals

  1. 1

    Interleukin-6 (IL-6)

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

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

4 supporting studies
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