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Food

Garlic

Organosulfur compounds may support lipid and blood-pressure related pathways.[1390,2358,2380, etc.]

Superscript reference numbers link to the Sources bibliography.

Strong Evidence
Heart HealthImmune SupportMetabolic Health

Composite Rating

4.2/5

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

45/100

Moderate 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.

Implementation Blueprint

Classification: prioritize.[1087,1210,1390, etc.]

Best fit: Users with mild cardiometabolic risk..[1087,1210,1390, etc.]

Goal alignment: Heart Health, Immune Support, Metabolic Health.[1087,1210,1390, etc.]

Classification

Prioritize

Evidence Tier

HIGH

Best Fit

Users with mild cardiometabolic risk.

Primary Focus

Heart Health, Immune Support

Safety and Pitfalls

  • May increase bleeding risk with antiplatelet/anticoagulant medications.

At-A-Glance Evidence Architecture[1390,2358,2380, etc.]

Clinical Depth

Humans: 108 • RCTs: 70 • Meta: 38

Cohort / Real-World

Cohort signals: 15

Safety Markers

Adverse signals: 9 • Interactions: 0

Evidence Tracking

Freshness, trend, and study timeline for this item

Evidence Tracking

Status

New Evidence

Trend

→ Stable evidence base

Depth

131 total studies · 4 recent

Timeline

20002025

Top Signal Metrics[1390,2358,2380, etc.]

Total indexed

131

Human studies

108

Randomized trials

70

Meta-analyses

38

Animal-only studies

29

In vitro / tissue

24

Community Direction Mix[1087,1210,6170]

Weighted direction score: 0 (Mixed / Neutral)

Benefit0

Evidence Quality Summary[1390,2358,2380, etc.]

High when there are >=2 human meta-analyses, or strong human trial/cohort volume with substantial human literature.

Total indexed

131

Human studies

108

Randomized trials

70

Meta-analyses

38

Animal-only studies

29

In vitro / tissue

24

Cohort signals

15

Safety adverse signals

9

Study Type Breakdown

Distribution of evidence by study design strength

Meta-AnalysesLevel 1a38
Randomized TrialsLevel 1b70
Cohort StudiesLevel 2b15
All IndexedAll levels131
100

Evidence Strength: High

Composite of study volume, RCTs, and meta-analyses

Top Human Studies[1390,2358,2380, etc.]

PMID 37033930 • 2023

Efficacy and safety of dietary polyphenols in rheumatoid arthritis: A systematic review and meta-analysis of 47 randomized controlled trials.

Front Immunol

Open PubMed

PMID 39113105 • 2024 Aug 7

Garlic consumption can reduce the risk of dyslipidemia: a meta-analysis of randomized controlled trials.

J Health Popul Nutr

Open PubMed

PMID 37481521 • 2023 Jul 22

Effects of garlic supplementation on components of metabolic syndrome: a systematic review, meta-analysis, and meta-regression of randomized controlled trials.

Community Report Frequency[1087,1210,6170]

Benefit reports: 0

Adverse reports: 0

No-effect reports: 0

Mixed reports: 0

Unclear reports: 0

Signal confidence: 0.00

Top Reported Effects[1087,1210,6170]

Benefits

  • Heart Health: 1
  • Immune Support: 1
  • Metabolic Health: 1

Adverse

  • May increase bleeding risk with antiplatelet/anticoagulant medications: 1

No Effect

  • insufficient no-effect reports captured: 0

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=%22garlic%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)

Community Evidence Examples[1087,1210,6170]

aggregate • unclear

No directional first-hand mentions captured in the current community corpus; source links are retained for traceability.

Open mention

Primary Source Links

Evidence Sources

  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22garlic%22%20AND%20(randomized%20controlled%20trial%5BPublication%20Type%5D%20OR%20meta-analysis%5BPublication%20Type%5D))%20AND%20(diet*%5BTitle%2FAbstract%5D%20OR%20intake%5BTitle%2FAbstract%5D%20OR%20consumption%5BTitle%2FAbstract%5D%20OR%20feeding%5BTitle%2FAbstract%5D%20OR%20nutrition%5BTitle%2FAbstract%5D)
  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22garlic%22%20AND%20(randomized%20controlled%20trial%5BPublication%20Type%5D%20OR%20meta-analysis%5BPublication%20Type%5D))%20AND%20humans%5BMeSH%20Terms%5D%20AND%20(diet*%5BTitle%2FAbstract%5D%20OR%20intake%5BTitle%2FAbstract%5D%20OR%20consumption%5BTitle%2FAbstract%5D%20OR%20feeding%5BTitle%2FAbstract%5D%20OR%20nutrition%5BTitle%2FAbstract%5D)

Scientific Evidence Notes[1390,2358,2380, etc.]

1. PubMed triage evidence summary: Garlic

PUBMED • Humans + preclinical triage

Counts from structured PubMed query set for diet/intake context.

Outcome: Humans 108, RCT 70, meta 38, cohort 15.[1390,2358,2380, etc.]

Open source
2. Efficacy and safety of dietary polyphenols in rheumatoid arthritis: A systematic review and meta-analysis of 47 randomized controlled trials.

PUBMED • 2023 • Human evidence curation set

PMID 37033930 from Front Immunol.

Outcome: See linked PubMed abstract for methods and outcomes.

[1087,1210,1390, etc.]
Adverse0
No Effect0
Mixed0

No directional mention volume was resolved; fallback profile metadata is shown in other sections.

BMC Complement Med Ther

Open PubMed

PMID 26693740 • 2015

Garlic intake lowers fasting blood glucose: meta-analysis of randomized controlled trials.

Asia Pac J Clin Nutr

Open PubMed

PMID 11010950 • 2000 Oct

Garlic consumption and cancer prevention: meta-analyses of colorectal and stomach cancers.

Am J Clin Nutr

Open PubMed

PMID 31895803 • 2020 Jan

Garlic intake and the risk of colorectal cancer: A meta-analysis.

Medicine (Baltimore)

Open PubMed

PMID 35276764 • 2022 Jan 18

Effects of an Optimized Aged Garlic Extract on Cardiovascular Disease Risk Factors in Moderate Hypercholesterolemic Subjects: A Randomized, Crossover, Double-Blind, Sustainedand Controlled Study.

Nutrients

Open PubMed

PMID 39203947 • 2024 Aug 22

LDL-Cholesterol-Lowering Effects of a Dietary Supplement Containing Onion and Garlic Extract Used in Healthy Volunteers.

Nutrients

Open PubMed

PMID 40266024 • 2025 Apr 17

Dietary associations with reduced epigenetic age: a secondary data analysis of the methylation diet and lifestyle study.

Aging (Albany NY)

Open PubMed

PMID 36789941 • 2023 Jan

Allium vegetable intake associated with the risk of incident gastric cancer: a continuous follow-up study of a randomized intervention trial.

Am J Clin Nutr

Open PubMed

PMID 29937536 • 2018 Jun 24

Allicin Bioavailability and Bioequivalence from Garlic Supplements and Garlic Foods.

Nutrients

Open PubMed

PMID 40770379 • 2025 Aug 6

Efficacy of garlic (Allium sativum) on metabolic syndrome components in women with polycystic ovary syndrome: randomized controlled trial.

J Health Popul Nutr

Open PubMed

PMID 25411831 • 2015

Meta-analysis: Does garlic intake reduce risk of gastric cancer?

Nutr Cancer

Open PubMed

PMID 25215621 • 2015 Jan

Allium vegetable intake and gastric cancer: a case-control study and meta-analysis.

Mol Nutr Food Res

Open PubMed

PMID 25335850 • 2015 May 15

Dietary supplement use and colorectal cancer risk: a systematic review and meta-analyses of prospective cohort studies.

Int J Cancer

Open PubMed

PMID 25386091 • 2014 Nov 7

Consumption of garlic and risk of colorectal cancer: an updated meta-analysis of prospective studies.

World J Gastroenterol

Open PubMed

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=garlic

https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22garlic%22%20AND%20(randomized%20controlled%20trial%5BPublication%20Type%5D%20OR%20meta-analysis%5BPublication%20Type%5D))%20AND%20humans%5BMeSH%20Terms%5D%20AND%20(diet*%5BTitle%2FAbstract%5D%20OR%20intake%5BTitle%2FAbstract%5D%20OR%20consumption%5BTitle%2FAbstract%5D%20OR%20feeding%5BTitle%2FAbstract%5D%20OR%20nutrition%5BTitle%2FAbstract%5D)%20AND%20randomized%20controlled%20trial%5BPublication%20Type%5D
  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22garlic%22%20AND%20(randomized%20controlled%20trial%5BPublication%20Type%5D%20OR%20meta-analysis%5BPublication%20Type%5D))%20AND%20humans%5BMeSH%20Terms%5D%20AND%20(diet*%5BTitle%2FAbstract%5D%20OR%20intake%5BTitle%2FAbstract%5D%20OR%20consumption%5BTitle%2FAbstract%5D%20OR%20feeding%5BTitle%2FAbstract%5D%20OR%20nutrition%5BTitle%2FAbstract%5D)%20AND%20meta-analysis%5BPublication%20Type%5D
  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22garlic%22%20AND%20(randomized%20controlled%20trial%5BPublication%20Type%5D%20OR%20meta-analysis%5BPublication%20Type%5D))%20AND%20humans%5BMeSH%20Terms%5D%20AND%20(diet*%5BTitle%2FAbstract%5D%20OR%20intake%5BTitle%2FAbstract%5D%20OR%20consumption%5BTitle%2FAbstract%5D%20OR%20feeding%5BTitle%2FAbstract%5D%20OR%20nutrition%5BTitle%2FAbstract%5D)%20AND%20(cohort%5BTitle%2FAbstract%5D%20OR%20prospective%5BTitle%2FAbstract%5D%20OR%20longitudinal%5BTitle%2FAbstract%5D)
  • https://pubmed.ncbi.nlm.nih.gov/37033930/
  • https://pubmed.ncbi.nlm.nih.gov/39113105/
  • https://pubmed.ncbi.nlm.nih.gov/37481521/
  • https://pubmed.ncbi.nlm.nih.gov/26693740/
  • https://pubmed.ncbi.nlm.nih.gov/11010950/
  • https://pubmed.ncbi.nlm.nih.gov/31895803/
  • https://pubmed.ncbi.nlm.nih.gov/35276764/
  • https://pubmed.ncbi.nlm.nih.gov/39203947/
  • https://pubmed.ncbi.nlm.nih.gov/40266024/
  • https://pubmed.ncbi.nlm.nih.gov/36789941/
  • https://pubmed.ncbi.nlm.nih.gov/29937536/
  • https://pubmed.ncbi.nlm.nih.gov/40770379/
  • https://pubmed.ncbi.nlm.nih.gov/25411831/
  • https://pubmed.ncbi.nlm.nih.gov/25215621/
  • https://pubmed.ncbi.nlm.nih.gov/25335850/
  • Community Sources

    • https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=8&q=%22garlic%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)
    • https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=12&q=garlic
    • https://www.reddit.com/search/?q=Garlic
    [1390,2358,2380, etc.]
    Open source
    3. Garlic consumption can reduce the risk of dyslipidemia: a meta-analysis of randomized controlled trials.

    PUBMED • 2024 • Human evidence curation set

    PMID 39113105 from J Health Popul Nutr.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    4. Effects of garlic supplementation on components of metabolic syndrome: a systematic review, meta-analysis, and meta-regression of randomized controlled trials.

    PUBMED • 2023 • Human evidence curation set

    PMID 37481521 from BMC Complement Med Ther.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    5. Garlic intake lowers fasting blood glucose: meta-analysis of randomized controlled trials.

    PUBMED • 2015 • Human evidence curation set

    PMID 26693740 from Asia Pac J Clin Nutr.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    6. Garlic consumption and cancer prevention: meta-analyses of colorectal and stomach cancers.

    PUBMED • 2000 • Human evidence curation set

    PMID 11010950 from Am J Clin Nutr.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    7. Garlic intake and the risk of colorectal cancer: A meta-analysis.

    PUBMED • 2020 • Human evidence curation set

    PMID 31895803 from Medicine (Baltimore).

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    8. Effects of an Optimized Aged Garlic Extract on Cardiovascular Disease Risk Factors in Moderate Hypercholesterolemic Subjects: A Randomized, Crossover, Double-Blind, Sustainedand Controlled Study.

    PUBMED • 2022 • Human evidence curation set

    PMID 35276764 from Nutrients.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    9. LDL-Cholesterol-Lowering Effects of a Dietary Supplement Containing Onion and Garlic Extract Used in Healthy Volunteers.

    PUBMED • 2024 • Human evidence curation set

    PMID 39203947 from Nutrients.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    10. Dietary associations with reduced epigenetic age: a secondary data analysis of the methylation diet and lifestyle study.

    PUBMED • 2025 • Human evidence curation set

    PMID 40266024 from Aging (Albany NY).

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    11. Allium vegetable intake associated with the risk of incident gastric cancer: a continuous follow-up study of a randomized intervention trial.

    PUBMED • 2023 • Human evidence curation set

    PMID 36789941 from Am J Clin Nutr.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    12. Allicin Bioavailability and Bioequivalence from Garlic Supplements and Garlic Foods.

    PUBMED • 2018 • Human evidence curation set

    PMID 29937536 from Nutrients.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    13. Efficacy of garlic (Allium sativum) on metabolic syndrome components in women with polycystic ovary syndrome: randomized controlled trial.

    PUBMED • 2025 • Human evidence curation set

    PMID 40770379 from J Health Popul Nutr.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    14. Meta-analysis: Does garlic intake reduce risk of gastric cancer?

    PUBMED • 2015 • Human evidence curation set

    PMID 25411831 from Nutr Cancer.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    15. Allium vegetable intake and gastric cancer: a case-control study and meta-analysis.

    PUBMED • 2015 • Human evidence curation set

    PMID 25215621 from Mol Nutr Food Res.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    16. Dietary supplement use and colorectal cancer risk: a systematic review and meta-analyses of prospective cohort studies.

    PUBMED • 2015 • Human evidence curation set

    PMID 25335850 from Int J Cancer.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source
    17. Consumption of garlic and risk of colorectal cancer: an updated meta-analysis of prospective studies.

    PUBMED • 2014 • Human evidence curation set

    PMID 25386091 from World J Gastroenterol.

    Outcome: See linked PubMed abstract for methods and outcomes.[1390,2358,2380, etc.]

    Open source