Food
Catechins and caffeine combinations are linked to cardiometabolic and cognitive signals.[1924,2854,2921, 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 Minimal
Safety Friction
100/100
High signal from adverse/interaction markers
Data Completeness
100%
Studies 16 • mentions 0 • 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.[1090,1214,1924, etc.]
Best fit: Users replacing sugary beverages..[1090,1214,1924, etc.]
Goal alignment: Metabolic Health, Brain Health, Longevity.[1090,1214,1924, etc.]
Classification
Prioritize
Evidence Tier
HIGH
Best Fit
Users replacing sugary beverages.
Primary Focus
Metabolic Health, Brain Health
Clinical Depth
Humans: 2,203 • RCTs: 268 • Meta: 127
Cohort / Real-World
Cohort signals: 300
Safety Markers
Adverse signals: 181 • Interactions: 0
Freshness, trend, and study timeline for this item
Status
Trend
→ Stable evidence base
Depth
2203 total studies · 3 recent
Timeline
Total indexed
2,203
Human studies
2,203
In vitro / tissue
1,108
Cohort signals
300
Randomized trials
268
Safety adverse signals
181
Weighted direction score: 0 (Mixed / Neutral)
No directional mention volume was resolved; fallback profile metadata is shown in other sections.
High when there are >=2 human meta-analyses, or strong human trial/cohort volume with substantial human literature.
Total indexed
2,203
Human studies
2,203
In vitro / tissue
1,108
Cohort signals
300
Randomized trials
268
Safety adverse signals
181
Meta-analyses
127
Animal-only studies
0
Distribution of evidence by study design strength
Evidence Strength: High
Composite of study volume, RCTs, and meta-analyses
PMID 33762150 • 2021 May 6
The effects of foods on LDL cholesterol levels: A systematic review of the accumulated evidence from systematic reviews and meta-analyses of randomized controlled trials.
Nutr Metab Cardiovasc Dis
Open PubMedPMID 37922025 • 2024 Jan 1
Bone health: biology and nutrition.
Curr Opin Clin Nutr Metab Care
Open PubMedPMID 19597519 • 2009 Sep
The effects of green tea on weight loss and weight maintenance: a meta-analysis.
Int J Obes (Lond)
Open PubMedPMID 32023777 • 2020
Risk factors for stomach cancer: a systematic review and meta-analysis.
Epidemiol Health
Open PubMedPMID 32372444 • 2020 Oct
The effect of green tea supplementation on obesity: A systematic review and dose-response meta-analysis of randomized controlled trials.
Phytother Res
Open PubMedPMID 36731160 • 2023 Mar
Association of food groups and dietary pattern with breast cancer risk: A systematic review and meta-analysis.
Clin Nutr
Open PubMedPMID 33461965 • 2021 Nov
Effect of green-Mediterranean diet on intrahepatic fat: the DIRECT PLUS randomised controlled trial.
Gut
Open PubMedPMID 39213264 • 2024
Effect of matcha green tea on cognitive functions and sleep quality in older adults with cognitive decline: A randomized controlled study over 12 months.
PLoS One
Open PubMedPMID 37403052 • 2023 Jul 5
Matcha green tea beverage moderates fatigue and supports resistance training-induced adaptation.
Nutr J
Open PubMedPMID 29345213 • 2018 Sep 1
Matcha Green Tea Drinks Enhance Fat Oxidation During Brisk Walking in Females.
Int J Sport Nutr Exerc Metab
Open PubMedPMID 35639365 • 2023 Mar
Effect of Coffee and Tea Consumption on Adolescent Weight Control: An Interventional Pilot Study.
Child Obes
Open PubMedPMID 36175997 • 2022 Sep 30
The effect of high-polyphenol Mediterranean diet on visceral adiposity: the DIRECT PLUS randomized controlled trial.
BMC Med
Open PubMedPMID 38613077 • 2024 Apr 3
The Development and Evaluation of a Literature-Based Dietary Index for Gut Microbiota.
Nutrients
Open PubMedPMID 28899506 • 2017 Oct 15
Green tea effects on cognition, mood and human brain function: A systematic review.
Phytomedicine
Open PubMedPMID 31758301 • 2020 Mar
The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review.
Plant Foods Hum Nutr
Open PubMedPMID 32118296 • 2020 Mar 2
Green tea (Camellia sinensis) for the prevention of cancer.
Cochrane Database Syst Rev
Open PubMedBenefit reports: 0
Adverse reports: 0
No-effect reports: 0
Mixed reports: 0
Unclear reports: 0
Signal confidence: 0.00
Benefits
Adverse
No Effect
Community confidence 0.00 with mentions: benefit 0, adverse 0, no-effect 0.
Search fetch failed: Failed to fetch after retries: https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=8&q=%22green%20tea%22%20(diet%20OR%20nutrition%20OR%20meals%20OR%20side%20effects%20OR%20experience%20OR%20results)%20(subreddit%3Anutrition%20OR%20subreddit%3AScientificNutrition%20OR%20subreddit%3Aloseit%20OR%20subreddit%3AMealPrepSunday%20OR%20subreddit%3Aketo%20OR%20subreddit%3Afasting%20OR%20subreddit%3Amediterraneandiet%20OR%20subreddit%3Avegan%20OR%20subreddit%3Avegetarian%20OR%20subreddit%3Acarnivorediet%20OR%20subreddit%3Abiohackers%20OR%20subreddit%3Alongevity)
Fallback search fetch failed: Failed to fetch after retries: https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=12&q=green%20tea
aggregate • unclear
No directional first-hand mentions captured in the current community corpus; source links are retained for traceability.
Open mentionEvidence Sources
Community Sources
PUBMED • Humans + preclinical triage
Counts from structured PubMed query set for diet/intake context.
Outcome: Humans 2203, RCT 268, meta 127, cohort 300.[1924,2854,2921, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 33762150 from Nutr Metab Cardiovasc Dis.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 37922025 from Curr Opin Clin Nutr Metab Care.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2009 • Human evidence curation set
PMID 19597519 from Int J Obes (Lond).
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32023777 from Epidemiol Health.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32372444 from Phytother Res.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 36731160 from Clin Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2021 • Human evidence curation set
PMID 33461965 from Gut.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 39213264 from PLoS One.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 37403052 from Nutr J.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2018 • Human evidence curation set
PMID 29345213 from Int J Sport Nutr Exerc Metab.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2023 • Human evidence curation set
PMID 35639365 from Child Obes.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2022 • Human evidence curation set
PMID 36175997 from BMC Med.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2024 • Human evidence curation set
PMID 38613077 from Nutrients.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2017 • Human evidence curation set
PMID 28899506 from Phytomedicine.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 31758301 from Plant Foods Hum Nutr.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open sourcePUBMED • 2020 • Human evidence curation set
PMID 32118296 from Cochrane Database Syst Rev.
Outcome: See linked PubMed abstract for methods and outcomes.[1924,2854,2921, etc.]
Open source