Food
High nitrate, folate, and polyphenol density supports vascular and metabolic pathways.[1712,2025,2639, etc.]
Superscript reference numbers link to the Sources bibliography.
Composite Rating
Blends evidence depth, community direction, safety friction, and completeness.
Evidence Intensity
80/100
High depth from human/RCT/meta counts
Community Direction
-10
Mixed / Neutral • confidence Low
Safety Friction
27/100
Early signal from adverse/interaction markers
Data Completeness
100%
Studies 16 • mentions 14 • links 25
Not medical advice. This product is for educational and informational purposes only. It does not diagnose, treat, cure, or prevent any disease and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition.
FDA disclaimer: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Results may vary. Not intended for use by pregnant or nursing women, individuals under 18, or those with known medical conditions without physician consultation.
If you are experiencing a medical emergency, call 911 or your local emergency number immediately.
Classification: prioritize.[425,1232,1712, etc.]
Best fit: Most adults, especially low-vegetable eaters..[425,1232,1712, etc.]
Goal alignment: Heart Health, Longevity, Metabolic Health.[425,1232,1712, etc.]
Classification
Prioritize
Evidence Tier
HIGH
Best Fit
Most adults, especially low-vegetable eaters.
Primary Focus
Heart Health, Longevity
Clinical Depth
Humans: 82 • RCTs: 5 • Meta: 0
Cohort / Real-World
Cohort signals: 19
Safety Markers
Adverse signals: 3 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
↑ Growing evidence base
Depth
82 total studies · 3 recent
Timeline
Total indexed
82
Human studies
82
Cohort signals
19
Randomized trials
5
Safety adverse signals
3
In vitro / tissue
2
Weighted direction score: -10 (Mixed / Neutral)
High when there are >=2 human meta-analyses, or strong human trial/cohort volume with substantial human literature.
Total indexed
82
Human studies
82
Cohort signals
19
Randomized trials
5
Safety adverse signals
3
In vitro / tissue
2
Animal-only studies
0
Meta-analyses
0
Distribution of evidence by study design strength
Evidence Strength: High
Composite of study volume, RCTs, and meta-analyses
PMID 39019159 • 2024 Sep
The Effect of Dietary Nitrate on the Oral Microbiome and Salivary Biomarkers in Individuals with High Blood Pressure.
J Nutr
Open PubMedPMID 32091599 • 2020 Apr 1
A randomized clinical trial of the effects of leafy green vegetables and inorganic nitrate on blood pressure.
Am J Clin Nutr
Open PubMedPMID 27281802 • 2016 Jul
A Daily Snack Containing Leafy Green Vegetables, Fruit, and Milk before and during Pregnancy Prevents Gestational Diabetes in a Randomized, Controlled Trial in Mumbai, India.
Benefit reports: 1
Adverse reports: 1
No-effect reports: 0
Mixed reports: 1
Unclear reports: 11
Signal confidence: 0.39
Benefits
Adverse
No Effect
Community confidence 0.39 with mentions: benefit 0, adverse 0, no-effect 0.
Subreddit coverage: Biohackers, keto, mediterraneandiet, nutrition.
post • r/nutrition • unclear
What's the most effective leafy green? Hey everyone, I'm looking to start eating a few fistfuls of leafy greens each day for purely nutritional purposes, which would be the best to consume from a nutritional standpoint? I don't care about …
Open mentionpost • r/mediterraneandiet • unclear
I lowered my LDL cholesterol by 150 points in three months. Here’s how: tl;dr: * I had extremely high cholesterol levels: 354 total with LDL at 265 and HDL at 82 in November 2024. * Rather than take recommended statins, I educated myself b…
Open mentionpost • r/keto • unclear
Hey experienced Keto folks: I can’t get more than 2 cups of veg per day and stay under 20g net carbs. Is anyone actually eating 7-8 cups of veg per day and staying under 20g? So i have a question aboit Dr Bergs advice on eating 7-8 cups of…
Evidence Sources
PUBMED • Humans + preclinical triage
Counts from structured PubMed query set for diet/intake context.
Outcome: Humans 82, RCT 5, meta 0, cohort 19.[1712,2025,2639, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39019159 from J Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[, etc.]
J Nutr
PMID 33232964 • 2020
Association between Circulating Osteocalcin and Cardiometabolic Risk Factors following a 4-Week Leafy Green Vitamin K-Rich Diet.
Ann Nutr Metab
Open PubMedPMID 21381407 • 2010 Dec
[Comparative clinical efficacy of a probiotic vs. an antibiotic in the treatment of patients with intestinal bacterial overgrowth and chronic abdominal functional distension: a pilot study].
Acta Gastroenterol Latinoam
Open PubMedPMID 37290979 • 2023 Jul
Polyphenol intake and mortality: A nationwide cohort study in the adult population of Spain.
Clin Nutr
Open PubMedPMID 8923020 • 1996
Vegetables, fruit and phytoestrogens as preventive agents.
IARC Sci Publ
Open PubMedPMID 17006725 • 2006 Nov
Prostate cancer incidence and intake of fruits, vegetables and related micronutrients: the multiethnic cohort study* (United States).
Cancer Causes Control
Open PubMedPMID 32224907 • 2020 Mar 26
Maternal Diet During Pregnancy and Blood Cadmium Concentrations in an Observational Cohort of British Women.
Nutrients
Open PubMedPMID 31599928 • 2020 Jan 1
Inorganic nitrate and nitrite supplementation fails to improve skeletal muscle mitochondrial efficiency in mice and humans.
Am J Clin Nutr
Open PubMedPMID 31349840 • 2019 Jul 26
Food consumption and undernutrition variations among mothers during the post-harvest and lean seasons in Amoron'i Mania Region, Madagascar.
BMC Public Health
Open PubMedPMID 35933667 • 2022 Jun 29
B Vitamins: Functions and Uses in Medicine.
Perm J
Open PubMedPMID 35334796 • 2022 Mar 8
Reduced Abundance of Nitrate-Reducing Bacteria in the Oral Microbiota of Women with Future Preeclampsia.
Nutrients
Open PubMedPMID 41138942 • 2025 Dec 10
Mature Listeria monocytogenes Biofilms Exhibit Reduced Susceptibility to Sanitizers - Relevance to the (Leafy Green) Fresh Food Supply Chain.
J Food Prot
Open PubMedPMID 29751617 • 2018 May 11
Cardiovascular Health Benefits of Specific Vegetable Types: A Narrative Review.
Nutrients
Open PubMedPMID 38674788 • 2024 Apr 9
Mediterranean Diet Favors Vitamin K Intake: A Descriptive Study in a Mediterranean Population.
Nutrients
Open PubMedpost • r/Biohackers • unclear
What supplements could easily be skipped with a consistent diet? For me the easiest is vitamin C, A, and K with eating the rainbow and leafy greens. Selenium deficiency fixed with poultry (assuming you skip Brazil nuts). The entire B famil…
Open mentionpost • r/keto • unclear
How has keto practices evolved in the recent decade? I am considering going on a keto or a similar diet very soon and I'm wondering what has changed in research and beliefs over the last 10 years. Who are well known trusted names I can fol…
Open mentionpost • r/Biohackers • mixed
My 30-day experiment with “brain-supporting” foods (what actually changed, what didn’t) I wanted to share this in case it helps anyone else who’s dealing with brain fog, low energy, or bad sleep. For the past 30 days I intentionally change…
Open mentioncomment • r/nutrition • unclear
Kale, spinach, collard greens, brussel sprouts, watercress, turnip greens
Open mentioncomment • r/nutrition • unclear
The most effective one is the one that you can keep eating. I don’t like kale. I keep trying it different ways, but nothing sticks. I do like collards and similar greens cooked. I love arugula as a salad. I rather loads them f both.
Open mentioncomment • r/nutrition • unclear
baby greens! (baby spinach, baby arugula) and any sprouts or micro greens, esp broccoli.
Open mentioncomment • r/nutrition • unclear
What is your favorite? What is the easiest for you to access? Basically all options but iceberg lettuce (and tbh lettuce in general) have good arguments for them. Sprouts! Arugula! Kale! Dandelion greens! Parsley! Baby chard!
Open mentionCommunity Sources
PUBMED • 2020 • Human evidence curation set
PMID 32091599 from Am J Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2016 • Human evidence curation set
PMID 27281802 from J Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 33232964 from Ann Nutr Metab.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2010 • Human evidence curation set
PMID 21381407 from Acta Gastroenterol Latinoam.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37290979 from Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 1996 • Human evidence curation set
PMID 8923020 from IARC Sci Publ.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2006 • Human evidence curation set
PMID 17006725 from Cancer Causes Control.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32224907 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 31599928 from Am J Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2019 • Human evidence curation set
PMID 31349840 from BMC Public Health.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35933667 from Perm J.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 35334796 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2025 • Human evidence curation set
PMID 41138942 from J Food Prot.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2018 • Human evidence curation set
PMID 29751617 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 38674788 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[1712,2025,2639, etc.]
Open source