Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
Add to Evidence TrackerResearch Summary
Analyzed using Evidence Intelligence™
Vegan diet linked to weight loss in type 1 diabetes
Last updated August 22, 2026
Key finding
Potential renal acid load decreased significantly in the vegan group.
This study examined the effects of a low-fat vegan diet versus a portion-controlled diet on weight loss and acid load in adults with type 1 diabetes, finding significant weight loss in the vegan group.
Quick read
Study at a glance
The essential study design details in one scan.
EvidenceScore™
Moderate
Study type
RCTs
Follow-up
Short-Term (≤3 mo)
Risk of bias
High Risk
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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 examined the effects of a low-fat vegan diet versus a portion-controlled diet on weight loss and acid load in adults with type 1 diabetes, finding significant weight loss in the vegan group.
Clinical relevance
These findings suggest that dietary choices can significantly impact weight management and metabolic health in individuals with type 1 diabetes. Clinicians may consider recommending a low-fat vegan diet to improve health outcomes in this population.
Keep in mind
The study's sample size may limit the generalizability of the findings. The duration of the intervention may not be sufficient to assess long-term effects. Potential confounding factors were not fully controlled.
Published in
Journal Reference
Publication details and source links for this paper.
Hana K, Joseph H, Cristina M, et al. Dietary Acid Load and Weight Loss in Adults with Type 1 Diabetes: A Randomized Controlled Trial. Clinical Diabetes : A Publication of the American Diabetes Association. 2025;43(4):520-524. doi:10.2337/cd25-0035
Main Effects
Potential renal acid load decreased significantly in the vegan group.
Net endogenous acid production decreased significantly in the vegan group.
Body weight decreased by 5.2 kg in the vegan group, while no significant change occurred in the portion-controlled group.
Evidence network
How this study fits
Understand where this research contributes within the broader evidence network.
Evidence Context
This study contributes evidence to Low-fat diet, Portion-controlled diet and Body weight, Decrease in potential renal acid load, Net endogenous acid production.
This study contributes evidence to
Primary intervention
Low-fat diet
Primary outcomes
- Body weight
- Decrease in potential renal acid load
- Net endogenous acid production
Evidence topics
Primary intervention
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
4
Evidence pairs
4
Relationships
2
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: 69
2
Related topics
4
Evidence pairs
1184
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 4 evidence relationships
- Includes primary outcome data
- Linked to 2 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Primary evidence
Evidence relationship
Low-fat Diets and Body Weight
Related evidence
Evidence topic
Dietary Patterns
Save evidence
Evidence topic
Weight Loss
Save evidence
Core evidence
Study findings
The primary outcomes reported in this study.
Decrease in potential renal acid load
Low-fat diet → Decrease in potential renal acid load
Low-fat diet → Decrease in potential renal acid load
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerNet endogenous acid production
Low-fat diet → Net endogenous acid production
Low-fat diet → Net endogenous acid production
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence TrackerEvidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
Add to Evidence TrackerEvidence Library
Build your evidence library
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Evidence Suggest
- The vegan diet led to a 5.2 kg decrease in body weight.
- Significant reductions in acid load and acid production were observed in the vegan group.
- No significant weight change was noted in the portion-controlled diet group.
Who this applies to
- Adults diagnosed with type 1 diabetes.
- Individuals seeking dietary interventions for weight management.
Keep in Mind
- Results may not apply to populations outside of the study sample.
- Further research is needed to confirm long-term effects of dietary changes.
- The study did not account for all potential lifestyle factors influencing outcomes.
Between the Lines
- The study's sample size may limit the generalizability of the findings.
- The duration of the intervention may not be sufficient to assess long-term effects.
- 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-fat Diets and Body Weight, Portion-controlled diet and Body Weight.
Related evidence relationships
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
Low-fat Diets → Body Weight
Diet and Nutrition
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
View evidenceDiet and Nutrition
Portion-controlled diet → Body Weight
Diet and Nutrition
Evidence Intelligence™
- EvidenceScore™
- Moderate
- Score 69 · Based on 2 studies
- ImpactScore™
- 50
- Neutral
- ConsistencyScore™
- 100
- consistent
Supporting studies: Based on 2 studies
View evidenceDiet and Nutrition
Low-fat Diets → Net endogenous acid production
Diet and Nutrition
Evidence Intelligence™
- EvidenceScore™
- Emerging
- Score 59 · Based on 1 study
- ImpactScore™
- 100
- Very Positive
- ConsistencyScore™
- unclear
- Not enough independent studies
Supporting studies: Based on 1 study
View evidenceIncluded in these evidence collections
Curated evidence collections and hubs this study is part of.
Body Weight Evidence Hub
All studies measuring Body Weight
2 studies
outcome_hubMeasures Body Weight as a key outcome.
Low-fat Diets Evidence Hub
All studies on Low-fat Diets
2 studies
intervention_hubContributes to Low-fat Diets evidence base.
Portion-controlled diet Evidence Hub
All studies on Portion-controlled diet
2 studies
intervention_hubContributes to Portion-controlled diet evidence base.
Net endogenous acid production Evidence Hub
All studies measuring Net endogenous acid production
1 studies
outcome_hubMeasures Net endogenous acid production as a key outcome.
Recent Diabetes Research
Latest published studies
recency_collection
Published within the last 2 years.
Explore more in Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Low-fat diet and Body weight
Intervention: Low-fat dietOutcome: Body weight
2 results
All studies on Portion-controlled diet and Body weight
Intervention: Portion-controlled dietOutcome: Body weight
2 results
All studies on Low-fat diet
Intervention: Low-fat diet
2 results
All studies on Portion-controlled diet
Intervention: Portion-controlled diet
2 results
All studies measuring Body weight
Outcome: Body weight
2 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Do Low-fat Diets affect body weight?
Moderate Evidence
Low-fat Diets appear to affect body weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Body weight
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.
Does Portion-controlled diet affect body weight?
Moderate Evidence
Current evidence does not show a clear effect of Portion-controlled diet on body weight.
ConsistencyScore™: Results are consistent across studies.
Ranked evidence signals
- 1
Body weight
EvidenceScore™ Moderate | EvidenceScore™ 69.0 | neutral | ConsistencyScore™ Consistent | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
What evidence is available on Low-fat diet and decrease in potential renal acid load?
Emerging Evidence
Low-fat diet appears to improve decrease in potential renal acid load.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Decrease in potential renal acid load
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Does Low-fat diet improve net endogenous acid production?
Emerging Evidence
Low-fat diet appears to improve net endogenous acid production.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Net endogenous acid production
EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study
Why this answer: This answer is based on a single supporting study.
Limitations
- Only one supporting study is available.
Next steps
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