Diet Protocol
Plant-centered pattern without meat, ideally minimizing ultra-processed substitutes.[2585,2591,2643, etc.]
Superscript reference numbers link to the Sources bibliography.
Composite Rating
Blends evidence depth, community direction, safety friction, and completeness.
Evidence Intensity
100/100
High depth from human/RCT/meta counts
Community Direction
0
Mixed / Neutral • confidence Low
Safety Friction
92/100
High signal from adverse/interaction markers
Data Completeness
100%
Studies 16 • mentions 5 • links 25
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Best fit: Users with ethical preferences and high produce/fiber priorities..[186,1305,2585, etc.]
Goal alignment: Heart Health, Longevity, Gut Health.[186,1305,2585, etc.]
Protocol Type
Diet Plan
Evidence Tier
HIGH
Best Fit
Users with ethical preferences and high produce/fiber priorities.
Primary Focus
Heart Health, Longevity
Clinical Depth
Humans: 3,967 • RCTs: 233 • Meta: 87
Cohort / Real-World
Cohort signals: 472
Safety Markers
Adverse signals: 107 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
↑ Growing evidence base
Depth
3967 total studies · 2 recent
Timeline
Total indexed
3,967
Human studies
3,967
Cohort signals
472
Adherence/dropout signals
282
Randomized trials
233
Safety adverse signals
107
Weighted direction score: 0 (Mixed / Neutral)
High when large human trial/meta/cohort volume exists for the named dietary protocol.
Total indexed
3,967
Human studies
3,967
Cohort signals
472
Adherence/dropout signals
282
Randomized trials
233
Safety adverse signals
107
Mechanistic signals
89
Meta-analyses
87
Distribution of evidence by study design strength
Evidence Strength: High
PMID 34959772 • 2021 Nov 24
Effect of Anti-Inflammatory Diets on Pain in Rheumatoid Arthritis: A Systematic Review and Meta-Analysis.
Nutrients
Open PubMedPMID 26853923 • 2017 Nov 22
Vegetarian, vegan diets and multiple health outcomes: A systematic review with meta-analysis of observational studies.
Crit Rev Food Sci Nutr
Open PubMedPMID 37226630 • 2023 Jul 21
Vegetarian or vegan diets and blood lipids: a meta-analysis of randomized trials.
Eur Heart J
Open PubMedBenefit reports: 0
Adverse reports: 0
No-effect reports: 0
Mixed reports: 0
Unclear reports: 5
Signal confidence: 0.25
Benefits
Adverse
No Effect
Community confidence 0.25 with mentions: benefit 0, adverse 0, no-effect 0.
Subreddit coverage: ScientificNutrition, loseit, nutrition, vegan.
post • r/ScientificNutrition • unclear
Vegetarian diet and likelihood of becoming centenarians in Chinese adults aged 80 y or older: a nested case-control study (2025) **TL;DR:** Relative to omnivores, vegetarians had a lower likelihood of becoming centenarians - - - - - - - - …
Open mentionpost • r/nutrition • unclear
I’m doubting my vegetarian diet because of science the absorption of plant based nutrients is super low. for omega3, only about 5–10% of ALA gets converted to EPA, and just 0.5–5% becomes DHA. for iron, only 2–20% of non-heme iron gets abs…
Open mentionpost • r/loseit • unclear
5'2" & Mostly Vegetarian Diet: Struggling to hit protein goals 5'2", 39F, SW:148, CW:133, GW:125. vegetarian/pescatarian. Hi all - as I get closer to my goal weight and need to keep dialing in my nutrition to see any movement on the scale,…
Evidence Sources
PUBMED • Human diet protocol literature
Counts from structured PubMed protocol-specific query set.
Outcome: Humans 3967, RCT 233, meta 87, cohort 472.[2585,2591,2643, etc.]
Open sourceNo directional mention volume was resolved; fallback profile metadata is shown in other sections.
Composite of study volume, RCTs, and meta-analyses
PMID 39408238 • 2024 Sep 27
Effectiveness of Prebiotics and Mediterranean and Plant-Based Diet on Gut Microbiota and Glycemic Control in Patients with Prediabetes or Type 2 Diabetes: A Systematic Review and Meta-Analysis.
Nutrients
Open PubMedPMID 39415400 • 2024 Oct
Vegetarian and Vegan Dietary Patterns to Treat Adult Type 2 Diabetes: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.
Adv Nutr
Open PubMedPMID 36030329 • 2023 Feb
Vegetarian and vegan diets and the risk of cardiovascular disease, ischemic heart disease and stroke: a systematic review and meta-analysis of prospective cohort studies.
Eur J Nutr
Open PubMedPMID 26823552 • 2016 Jul
Ketoanalogue-Supplemented Vegetarian Very Low-Protein Diet and CKD Progression.
J Am Soc Nephrol
Open PubMedPMID 34260478 • 2021 Jul 12
The Women's Study for the Alleviation of Vasomotor Symptoms (WAVS): a randomized, controlled trial of a plant-based diet and whole soybeans for postmenopausal women.
Menopause
Open PubMedPMID 32780794 • 2020 Nov 11
A randomized crossover trial on the effect of plant-based compared with animal-based meat on trimethylamine-N-oxide and cardiovascular disease risk factors in generally healthy adults: Study With Appetizing Plantfood-Meat Eating Alternative Trial (SWAP-MEAT).
Am J Clin Nutr
Open PubMedPMID 36156115 • 2022 Nov
Low-carbohydrate vegan diets in diabetes for weight loss and sustainability: a randomized controlled trial.
Am J Clin Nutr
Open PubMedPMID 9863851 • 1998 Dec 16
Intensive lifestyle changes for reversal of coronary heart disease.
JAMA
Open PubMedPMID 32893710 • 2020 Sep 15
Effects of a Vegetarian Diet on Cardiometabolic Risk Factors, Gut Microbiota, and Plasma Metabolome in Subjects With Ischemic Heart Disease: A Randomized, Crossover Study.
J Am Heart Assoc
Open PubMedPMID 37450568 • 2023 Sep 21
Vegetarian and vegan diets: benefits and drawbacks.
Eur Heart J
Open PubMedPMID 27299701 • 2016 Jun
Plant-Based Dietary Patterns and Incidence of Type 2 Diabetes in US Men and Women: Results from Three Prospective Cohort Studies.
PLoS Med
Open PubMedPMID 33232446 • 2021 Mar 3
Vegetarian diets during pregnancy, and maternal and neonatal outcomes.
Int J Epidemiol
Open PubMedPMID 37960356 • 2023 Nov 6
The Relationship between Vegetarian Diet and Sports Performance: A Systematic Review.
Nutrients
Open PubMedpost • r/vegan • unclear
Vegans do not eat animal products, so please stop trying to redefine veganism by saying we can. Disclaimer: when I say vegans don’t eat animal products, I’m referring to whenever it’s possible and practicable not to. Obviously starvation a…
Open mentioncomment • r/ScientificNutrition • unclear
Could it be the jack of protein fostering sarcopenia? Being older Chinese I doubt their vegetarian diet encompassed much dairy or legumes so reaching adequate protein levels must have been a challenge.
Open mentionCommunity Sources
PUBMED • 2017 • Human evidence curation set
PMID 26853923 from Crit Rev Food Sci Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37226630 from Eur Heart J.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39408238 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39415400 from Adv Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 36030329 from Eur J Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2016 • Human evidence curation set
PMID 26823552 from J Am Soc Nephrol.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 34260478 from Menopause.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32780794 from Am J Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 36156115 from Am J Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 1998 • Human evidence curation set
PMID 9863851 from JAMA.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32893710 from J Am Heart Assoc.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37450568 from Eur Heart J.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2016 • Human evidence curation set
PMID 27299701 from PLoS Med.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 33232446 from Int J Epidemiol.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37960356 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[2585,2591,2643, etc.]
Open source