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 TrackerResearch Summary
Analyzed using Evidence Intelligence™
Plant-Based Diets Improve Weight Management
Last updated August 22, 2026
Key finding
Adherence to an overall plant-based diet was inversely associated with weight regain.
This study examined the effects of a plant-based diet on weight management and cardiometabolic risk factors, finding significant associations with various health outcomes.
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 examined the effects of a plant-based diet on weight management and cardiometabolic risk factors, finding significant associations with various health outcomes.
Clinical relevance
These findings highlight the potential of plant-based diets in managing weight and reducing the risk of cardiovascular diseases. Clinicians may consider recommending such diets to patients seeking to improve their health outcomes, particularly those at risk for obesity and related conditions.
Keep in mind
The effectiveness of the intervention remains unclear due to limited data. The sample size and demographic diversity may limit generalizability. Potential confounding factors were not fully controlled.
Published in
Journal Reference
Publication details and source links for this paper.
Ruixin Z, Mikael F, Sally DP, et al. Longitudinal Associations of Plant-Based Diets with Weight Management and Cardiometabolic Risk Factors. Nutrients. 2021;13(11):3916. doi:10.3390/nu13113916
Main Effects
Adherence to a plant-based diet was associated with a decrease in weight regain by -1.5 kg (p=0.01).
Nut intake led to a decrease in body fat mass by -0.5 kg (p=0.05).
Fruit intake was linked to a reduction in diastolic blood pressure by -5 mmHg (p=0.02).
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 plant-based diet and Body fat mass, Diastolic blood pressure, HDL cholesterol, and 4 more.
This study contributes evidence to
Primary intervention
Low-fat plant-based diet
Primary outcomes
- Body fat mass
- Diastolic blood pressure
- HDL cholesterol
Evidence topics
Primary intervention
Primary outcomes
Evidence relationships
Intervention and outcome relationships this study adds to the evidence network.
7
Evidence pairs
7
Relationships
3
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
3
Related topics
7
Evidence pairs
490
Related studies
High relevance in at least one topic
Why it is useful
- Contributes to 7 evidence relationships
- Includes primary outcome data
- Linked to 3 direct semantic evidence topics
Topic contributions
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
Evidence topic
Contributes evidence
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Primary evidence
Evidence topic
Blood Pressure
matched_outcome
Related evidence
Evidence topic
Body Composition
Save evidence
Core evidence
Study findings
The primary outcomes reported in this study.
Diastolic blood pressure
Low-fat plant-based diet → Diastolic blood pressure
Low-fat plant-based diet → Diastolic blood pressure
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™
- 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™
- 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 TrackerTotal cholesterol
Low-fat plant-based diet → Total cholesterol
Low-fat plant-based diet → Total cholesterol
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™
- 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 TrackerWeight regain associated with adherence to a plant-based diet
Low-fat plant-based diet → Weight regain associated with adherence to a plant-based diet
Low-fat plant-based diet → Weight regain associated with adherence to a plant-based diet
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 Library
Build your evidence library
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Evidence Suggest
- Nut intake reduced total cholesterol by -0.3 mmol/L (p=0.03).
- LDL cholesterol decreased by -0.2 mmol/L with nut intake (p=0.04).
- Vegetable intake was associated with a decrease in triglycerides.
Who this applies to
- Adults seeking weight management solutions.
- Individuals at risk for cardiometabolic diseases.
Keep in Mind
- Results may not apply to populations outside the study group.
- Long-term effects of a plant-based diet were not assessed.
- Further research is needed to confirm these findings.
Between the Lines
- The effectiveness of the intervention remains unclear due to limited data.
- The sample size and demographic diversity may limit generalizability.
- Potential confounding factors were not fully controlled.
Evidence Library
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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 plant-based diet and Body Composition, Low-fat plant-based diet and Blood Pressure.
Related evidence relationships
Explore in Evidence ExplorerThis study contributes to the evidence on the following intervention-outcome relationships.
Diet and Nutrition
Low-fat plant-based diet → Body Composition
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 evidenceDiet and Nutrition
Low-fat plant-based diet → Blood Pressure
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 evidenceDiet and Nutrition
Low-fat plant-based diet → Adipokine and Angiogenic Markers
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.
Adipokine and Angiogenic Markers Evidence Hub
All studies measuring Adipokine and Angiogenic Markers
1 studies
outcome_hubMeasures Adipokine and Angiogenic Markers as a key outcome.
Blood Pressure Evidence Hub
All studies measuring Blood Pressure
1 studies
outcome_hubMeasures Blood Pressure as a key outcome.
Body Composition Evidence Hub
All studies measuring Body Composition
1 studies
outcome_hubMeasures Body Composition as a key outcome.
Low-fat plant-based diet Evidence Hub
All studies on Low-fat plant-based diet
1 studies
intervention_hubContributes to Low-fat plant-based diet evidence base.
Explore more in Evidence Explorer
Jump to pre-filtered views in Evidence Explorer.
All studies on Low-fat plant-based diet and Body fat mass
Intervention: Low-fat plant-based dietOutcome: Body fat mass
1 results
All studies on Low-fat plant-based diet and Diastolic blood pressure
Intervention: Low-fat plant-based dietOutcome: Diastolic blood pressure
1 results
All studies on Low-fat plant-based diet
Intervention: Low-fat plant-based diet
1 results
All studies measuring Body fat mass
Outcome: Body fat mass
1 results
All studies measuring Diastolic blood pressure
Outcome: Diastolic blood pressure
1 results
Questions answered by this study
Generated from the study's connected evidence using Evidence Intelligence™.
Does Low-fat plant-based diet improve body fat mass?
Emerging Evidence
Low-fat plant-based diet appears to improve Body fat mass.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Body fat mass
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Low-fat plant-based diet improve diastolic blood pressure?
Emerging Evidence
Low-fat plant-based diet appears to improve Diastolic blood pressure.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
Diastolic blood pressure
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Low-fat plant-based diet improve hdl cholesterol?
Emerging Evidence
Low-fat plant-based diet appears to improve HDL cholesterol.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
HDL cholesterol
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Does Low-fat plant-based diet improve ldl cholesterol?
Emerging Evidence
Low-fat plant-based diet appears to improve LDL cholesterol.
ConsistencyScore™: Consistency cannot yet be determined from the available evidence.
Ranked evidence signals
- 1
LDL cholesterol
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.
- Consistency cannot yet be determined.
- Population details are unavailable.
Next steps
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