Last updated August 24, 2026
Key finding
HbA1c decreased by 1.6% from baseline.
A moderate low-carbohydrate diet was found to improve glycaemic control in patients with type 2 diabetes.
Quick read
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
A plain-language read of the study’s main message and where it applies.
Study focus
A moderate low-carbohydrate diet was found to improve glycaemic control in patients with type 2 diabetes.
Improving glycaemic control is crucial for managing type 2 diabetes and reducing the risk of complications. The findings suggest that a moderate low-carbohydrate diet could be a viable dietary strategy for patients, potentially leading to better health outcomes and quality of life.
The study did not report p-values for all outcomes. Sample size and demographic details were not specified. No significant differences in lipid profiles and serum creatinine levels were found.
Published in
Publication details and source links for this paper.
Chin-Ying C, Wei-Sheng H, Hui-Chuen C, et al. A moderate low-carbohydrate diet improves glycaemic control in type 2 diabetes patients. PLOS ONE. 2020;15(10):e0240158. doi:10.1371/journal.pone.0240158
HbA1c decreased by 1.6% from baseline.
2-h glucose decreased by 94.4 mg/dl from baseline.
Body weight decreased by 2.8 kg from baseline.
Waist circumference decreased by 5.7 cm from baseline.
Evidence network
Understand where this research contributes within the broader evidence network.
This study contributes evidence to Low-carbohydrate diet, Traditional diabetic diet (TDD) and 2-hour plasma glucose, Body weight, HbA1c, and 9 more.
This study contributes evidence to
Primary intervention
Low-carbohydrate diet
Primary outcomes
Evidence topics
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.
4
Related topics
12
Evidence pairs
1593
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Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
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 → 2-hour plasma glucose
Low-carbohydrate diet → 2-hour plasma glucose
Low-carbohydrate diet → Medication Effect Score Improvement
Low-carbohydrate diet → Medication Effect Score Improvement
Low-carbohydrate diet → Systolic blood pressure
Low-carbohydrate diet → Systolic blood pressure
Low-carbohydrate diet → Waist circumference
Low-carbohydrate diet → Waist circumference
Traditional diabetic diet (TDD) → Albuminuria
Traditional diabetic diet (TDD) → Albuminuria
Traditional diabetic diet (TDD) → Common carotid artery intima-media thickness (IMT)
Traditional diabetic diet (TDD) → Common carotid artery intima-media thickness (IMT)
Traditional diabetic diet (TDD) → lipid profiles
Traditional diabetic diet (TDD) → lipid profiles
Traditional diabetic diet (TDD) → Low-density lipoprotein
Traditional diabetic diet (TDD) → Low-density lipoprotein
Traditional diabetic diet (TDD) → Serum creatinine
Traditional diabetic diet (TDD) → Serum creatinine
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Relationships organized using the Dediabetes Evidence Intelligence™ framework.
This study contributes to evidence on Low-Carbohydrate Diet Education and Body Weight, Low-Carbohydrate Diet Education and HbA1c.
This study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
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 measuring Body Weight
Measures Body Weight as a key outcome.
All studies on Low-Carbohydrate Diet Education
Contributes to Low-Carbohydrate Diet Education evidence base.
All studies measuring Blood Pressure
Measures Blood Pressure as a key outcome.
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8 results
16 results
8 results
8 results
16 results
Generated from the study's connected evidence using Evidence Intelligence™.
Low-Carbohydrate Diet Education appears to improve HbA1c.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
HbA1c
EvidenceScore™ Strong | EvidenceScore™ 85.4 | strong positive | ConsistencyScore™ Generally Consistent | 1 study
Why this answer: This answer is based on 18 supporting studies with consistent results and a positive effect signal.
Limitations
Low-Carbohydrate Diet Education appears to improve Body Composition.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Waist circumference
EvidenceScore™ Strong | EvidenceScore™ 84.6 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 5 supporting studies with consistent results and a positive effect signal.
Limitations
Low-Carbohydrate Diet Education appears to improve Body Weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Body weight
EvidenceScore™ Strong | EvidenceScore™ 85.5 | 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.
Limitations
Low-Carbohydrate Diet Education may improve Blood Pressure.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
Systolic blood pressure
EvidenceScore™ Strong | EvidenceScore™ 79.0 | moderate positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 5 supporting studies with consistent results and a positive effect signal.
Limitations
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