Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Estudios de apoyo: Basado en 2 estudios
Add to Evidence TrackerResumen de Investigación
Analyzed using Evidence Intelligence™
Low-Carbohydrate Diet Improves Weight Loss in Obese Individuals
Última actualización 21 de agosto de 2026
Key finding
BMI decreased from 48.9 kg/m² to 46.1 kg/m² after 4 weeks.
This study compared the effectiveness of a low-carbohydrate diet versus a Mediterranean diet in morbidly obese individuals at high risk for diabetes, finding significant reductions in various health metrics.
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 compared the effectiveness of a low-carbohydrate diet versus a Mediterranean diet in morbidly obese individuals at high risk for diabetes, finding significant reductions in various health metrics.
Clinical relevance
These findings are significant as they suggest that dietary interventions can effectively aid in weight loss and improve metabolic health in individuals at high risk for diabetes. This could inform clinical practices and dietary recommendations for managing obesity and preventing diabetes.
Keep in mind
Effectiveness of each diet remains unclear due to lack of comparative data. Sample size and demographic details not specified. Results may not be generalizable to broader populations.
Published in
Referencia de la Revista
Publication details and source links for this paper.
Domenico T, Diego M, Rossana B, et al. Comparative Effectiveness of a Low-Carbohydrate Diet vs. Mediterranean Diet on Weight Loss and Glucose Homeostasis in Morbidly Obese Individuals at High Risk for Diabetes. Nutrients. 2021;13(4):1345. doi:10.3390/nu13041345
Efectos Principales
BMI decreased by -2.8 kg/m²
Body weight decreased by -8 kg
Waist circumference decreased by -7 cm
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Low-carbohydrate diet, Mediterranean diet and BMI, Body weight, Fasting insulin levels, and 2 more.
This study contributes evidence to
Primary intervention
Low-carbohydrate diet
Primary outcomes
- BMI
- Body weight
- Fasting insulin levels
Evidence topics
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
10
Evidence pairs
10
Relationships
4
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
4
Related topics
10
Evidence pairs
1240
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 10 evidence relationships
- Includes primary outcome data
- Linked to 4 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 Body Weight
Evidencia relacionada
Relación de evidencia
Low-Carbohydrate Diet Education and Insulin Resistance
Guardar evidencia
Relación de evidencia
Low-Carbohydrate Diet Education and Body Composition
Guardar evidencia
Core evidence
Study findings
The primary outcomes reported in this study.
Evidence Intelligence™
- EvidenceScore™
- 83
- Strong
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Estudios de apoyo: Basado en 7 estudios
Add to Evidence TrackerFasting insulin levels
Low-carbohydrate diet → Fasting insulin levels
Low-carbohydrate diet → Fasting insulin levels
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 TrackerInsulin resistance
Low-carbohydrate diet → Insulin resistance
Low-carbohydrate diet → Insulin resistance
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Estudios de apoyo: Basado en 2 estudios
Add to Evidence TrackerWaist circumference
Low-carbohydrate diet → Waist circumference
Low-carbohydrate diet → Waist circumference
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 TrackerEvidence 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 TrackerEvidence 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 TrackerFasting insulin levels
Mediterranean diet → Fasting insulin levels
Mediterranean diet → Fasting insulin levels
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 TrackerEvidence 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 TrackerEvidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Estudios de apoyo: Basado en 2 estudios
Add to Evidence TrackerEvidence Library
Build your evidence library
Save research, organize studies, and quickly find important evidence again.
La Evidencia Sugiere
- Both diets led to significant reductions in BMI and body weight.
- Waist circumference decreased significantly in both groups.
- Fasting insulin levels and insulin sensitivity improved markedly.
A quién se aplica
- Morbidly obese individuals at high risk for diabetes.
- Adults seeking dietary interventions for weight management.
Tener en Cuenta
- Results are based on a specific population and may not apply universally.
- Long-term effects of these dietary interventions were not assessed.
- Further research is needed to clarify the comparative effectiveness of the diets.
Entre Líneas
- Effectiveness of each diet remains unclear due to lack of comparative data.
- Sample size and demographic details not specified.
- Results may not be generalizable to broader 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 Low-Carbohydrate Diet Education and Body Weight, Mediterranean diet and Insulin Resistance.
Relaciones de evidencia relacionadas
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
Low-Carbohydrate Diet Education → Body Weight
Diet and Nutrition
Evidence Intelligence™
- EvidenceScore™
- 83
- Strong
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Estudios de apoyo: Basado en 7 estudios
View evidenceDiet and Nutrition
Mediterranean diet → Insulin Resistance
Diet and Nutrition
Evidence Intelligence™
- EvidenceScore™
- Strong
- Score 79 · Based on 4 studies
- ImpactScore™
- 76
- Positive
- ConsistencyScore™
- 75
- consistent
Estudios de apoyo: Basado en 4 estudios
View evidenceIncluido en estas colecciones de evidencia
Curated evidence collections and hubs this study is part of.
Body Weight Evidence Hub
All studies measuring Body Weight
7 studies
outcome_hubMeasures Body Weight as a key outcome.
Low-Carbohydrate Diet Education Evidence Hub
All studies on Low-Carbohydrate Diet Education
7 studies
intervention_hubContributes to Low-Carbohydrate Diet Education evidence base.
Insulin Resistance Evidence Hub
All studies measuring Insulin Resistance
4 studies
outcome_hubMeasures Insulin Resistance as a key outcome.
Mediterranean diet Evidence Hub
All studies on Mediterranean diet
4 studies
intervention_hubContributes to Mediterranean diet evidence base.
Explora más en Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Low-carbohydrate diet and Body weight
Intervention: Low-carbohydrate dietOutcome: Body weight
7 results
All studies on Mediterranean diet and Insulin resistance
Intervention: Mediterranean dietOutcome: Insulin resistance
4 results
All studies on Low-carbohydrate diet
Intervention: Low-carbohydrate diet
7 results
All studies on Mediterranean diet
Intervention: Mediterranean diet
4 results
All studies measuring Body weight
Outcome: Body weight
7 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Low-Carbohydrate Diet Education affect body weight?
Strong Evidence
Low-Carbohydrate Diet Education appears to improve Body Weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Body weight
EvidenceScore™ Strong | EvidenceScore™ 83.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 8 supporting studies with consistent results and a positive effect signal.
Limitations
- Population details are unavailable.
Does Low-Carbohydrate Diet Education improve insulin resistance?
Strong Evidence
Low-Carbohydrate Diet Education appears to improve Insulin Resistance.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Insulin resistance
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study
- 2
Fasting insulin levels
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 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.
Does Low-Carbohydrate Diet Education improve body composition?
Strong Evidence
Low-Carbohydrate Diet Education appears to improve Body Composition.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Waist circumference
EvidenceScore™ Strong | EvidenceScore™ 79.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on 3 supporting studies with consistent results and a positive effect signal.
Limitations
- Population details are unavailable.
Does Low-Carbohydrate Diet Education affect body mass index?
Moderate Evidence
Low-Carbohydrate Diet Education appears to improve Body Mass Index.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
BMI
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | strong positive | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a small number of supporting studies and should be interpreted cautiously.
Limitations
- Only a small number of supporting studies are available.
- Population details are unavailable.
Next steps
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Evidence topics
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Explore in Evidence Explorer
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