Last updated August 18, 2026
Key finding
HbA1c decreased by 0.91 ± 0.16%
Online educational intervention based on a low-carbohydrate diet for adults with T2DM.
Quick read
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
A plain-language read of the study’s main message and where it applies.
Study focus
Online educational intervention based on a low-carbohydrate diet for adults with T2DM.
This study evaluated Online educational intervention based on a low-carbohydrate diet for adults with T2DM.
Limitations were not clearly described in the extracted text.
Published in
Publication details and source links for this paper.
Gisely SB, Romulo SC, Geraldo EV. Effectiveness of an Online Educational Intervention Based on a Low-Carbohydrate Diet for Adults with Type 2 Diabetes Mellitus. Diabetology international. 2026;17(3):42. doi:10.1007/s13340-026-00898-2
Evidence network
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This study contributes evidence to Low-carbohydrate diet and Achievement of HbA1c ≤ 6.5%, BMI, Diabetes medication use change, and 2 more.
This study contributes evidence to
Primary intervention
Low-carbohydrate diet
Primary outcomes
Primary intervention
Primary outcomes
Intervention and outcome relationships this study adds to the evidence network.
Editorial context
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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.
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Evidence pairs
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Contributes evidence
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Primary evidence
Evidence relationship
Related evidence
Evidence relationship
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Evidence relationship
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Core evidence
The primary outcomes reported in this study.
Low-carbohydrate diet → Achievement of HbA1c ≤ 6.5%
Low-carbohydrate diet → Achievement of HbA1c ≤ 6.5%
Low-carbohydrate diet → Diabetes medication use change
Low-carbohydrate diet → Diabetes medication use change
Low-carbohydrate diet → Fasting Plasma Glucose (FPG)
Low-carbohydrate diet → Fasting Plasma Glucose (FPG)
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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 Achievement of HbA1c ≤ 6.5%.
This study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
Diet and Nutrition
Curated evidence collections and hubs this study is part of.
All studies measuring HbA1c
Measures HbA1c as a key outcome.
All studies on Low-Carbohydrate Diet Education
Contributes to Low-Carbohydrate Diet Education evidence base.
All studies measuring Achievement of HbA1c ≤ 6.5%
Measures Achievement of HbA1c ≤ 6.5% as a key outcome.
Latest published studies
Published within the last 2 years.
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3 results
1 results
3 results
3 results
1 results
Generated from the study's connected evidence using Evidence Intelligence™.
Low-Carbohydrate Diet Education may improve Fasting Glucose.
ConsistencyScore™: Results are generally consistent across studies.
Ranked evidence signals
Fasting Plasma Glucose (FPG)
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on 3 supporting studies with generally consistent results and a positive effect signal.
Limitations
Low-Carbohydrate Diet Education appears to improve HbA1c.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 78.6 | 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
Low-Carbohydrate Diet Education appears to improve Body Mass Index.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
BMI
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
Low-carbohydrate diet appears to improve Achievement of HbA1c ≤ 6.5%.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
Achievement of HbA1c ≤ 6.5%
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
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