Skip to main content
Enhanced Health AIv0.6.0
QuizMy PlanCalendarEvidenceSources
Session check

© 2026 Enhanced Health AI

MD-Designed No Data Sold
QuizSearchEvidenceSourcesHow We ScorePricingTermsPrivacy
Back to Database

Food

Fatty Fish (salmon, sardines, mackerel)

Provides EPA/DHA, protein, and micronutrients linked to cardiometabolic and cognitive outcomes.[2075,2103,2262, etc.]

Superscript reference numbers link to the Sources bibliography.

Strong Evidence
Heart HealthBrain HealthLongevity

Composite Rating

4.0/5

Blends evidence depth, community direction, safety friction, and completeness.

Evidence Intensity

100/100

High depth from human/RCT/meta counts

Community Direction

-28

Caution Lean • confidence Moderate

Safety Friction

47/100

Moderate signal from adverse/interaction markers

Data Completeness

100%

Studies 16 • mentions 15 • 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.[388,1200,2075, etc.]

Best fit: People with low omega-3 intake or high triglycerides..[388,1200,2075, etc.]

Goal alignment: Heart Health, Brain Health, Longevity.[388,1200,2075, etc.]

Classification

Prioritize

Evidence Tier

HIGH

Best Fit

People with low omega-3 intake or high triglycerides.

Primary Focus

Heart Health, Brain Health

Safety and Pitfalls

  • Select lower-mercury species and monitor contaminants in high intake patterns.[388,1200,2075, etc.]
  • Community caution: anxiety[388,1200,2075, etc.]
  • Community caution: side effect[388,1200,2075, etc.]
  • Community caution: bloating[388,1200,2075, etc.]
  • Community caution: crash[388,1200,2075, etc.]
  • Community caution: palpitations[388,1200,2075, etc.]
  • Community caution: reflux[388,1200,2075, etc.]
  • Community caution: cramps[388,1200,2075, etc.]

At-A-Glance Evidence Architecture[2075,2103,2262, etc.]

Clinical Depth

Humans: 529 • RCTs: 88 • Meta: 9

Cohort / Real-World

Cohort signals: 152

Safety Markers

Adverse signals: 10 • Interactions: 0

Evidence Tracking

Freshness, trend, and study timeline for this item

Evidence Tracking

Status

Updated

Trend

→ Stable evidence base

Depth

624 total studies

Timeline

20112023

Top Signal Metrics[2075,2103,2262, etc.]

Total indexed

624

Human studies

529

Cohort signals

152

Randomized trials

88

Animal-only studies

30

In vitro / tissue

15

Community Direction Mix[388,1200,6149]

Weighted direction score: -28 (Caution Lean)

Benefit4 (29%)
Adverse7 (50%)
No Effect0 (0%)
Mixed3 (21%)

Evidence Quality Summary[2075,2103,2262, etc.]

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

Total indexed

624

Human studies

529

Cohort signals

152

Randomized trials

88

Animal-only studies

30

In vitro / tissue

15

Safety adverse signals

10

Meta-analyses

9

Study Type Breakdown

Distribution of evidence by study design strength

Meta-AnalysesLevel 1a9
Randomized TrialsLevel 1b88
Cohort StudiesLevel 2b152
Human Studies (other)Level 3-4280
All IndexedAll levels624
100

Evidence Strength: High

Composite of study volume, RCTs, and meta-analyses

Top Human Studies[2075,2103,2262, etc.]

PMID 35108375 • 2022 Oct 2

Relations between the Consumption of Fatty or Lean Fish and Risk of Cardiovascular Disease and All-Cause Mortality: A Systematic Review and Meta-Analysis.

Adv Nutr

Open PubMed

PMID 24828061 • 2014 May

ALA, fatty fish or marine n-3 fatty acids for preventing DM?: a systematic review and meta-analysis.

Curr Diabetes Rev

Open PubMed

PMID 37960192 • 2023 Oct 26

Fish Intake in Relation to Fatal and Non-Fatal Cardiovascular Risk: A Systematic Review and Meta-Analysis of Cohort Studies.

Nutrients

Open PubMed

PMID 30470232 • 2018 Nov 23

Effects of fatty and lean fish intake on stroke risk: a meta-analysis of prospective cohort studies.

Lipids Health Dis

Open PubMed

PMID 29524247 • 2018 Jun

The role of fish intake on asthma in children: A meta-analysis of observational studies.

Pediatr Allergy Immunol

Open PubMed

PMID 33917229 • 2021 Apr 7

Heterogeneity of Associations between Total and Types of Fish Intake and the Incidence of Type 2 Diabetes: Federated Meta-Analysis of 28 Prospective Studies Including 956,122 Participants.

Nutrients

Open PubMed

PMID 37156666 • 2023 Jul

Fatty fish consumption reduces lipophilic index in erythrocyte membranes and serum phospholipids.

Nutr Metab Cardiovasc Dis

Open PubMed

PMID 33978160 • 2021 Aug 7

Biomarkers and Fatty Fish Intake: A Randomized Controlled Trial in Norwegian Preschool Children.

J Nutr

Open PubMed

PMID 32008913 • 2020 Mar 9

Effect of fatty fish or nut consumption on concentrations of persistent organic pollutants in overweight or obese men and women: A randomized controlled clinical trial.

Nutr Metab Cardiovasc Dis

Open PubMed

PMID 34548243 • 2021 Sep-Oct

Lipidomic changes of LDL after consumption of Camelina sativa oil, fatty fish and lean fish in subjects with impaired glucose metabolism-A randomized controlled trial.

J Clin Lipidol

Open PubMed

PMID 25527657 • 2015 Jan

Nontargeted metabolite profiling discriminates diet-specific biomarkers for consumption of whole grains, fatty fish, and bilberries in a randomized controlled trial.

J Nutr

Open PubMed

PMID 32918853 • 2020 Oct

Mediterranean Diet and Atherothrombosis Biomarkers: A Randomized Controlled Trial.

Mol Nutr Food Res

Open PubMed

PMID 34684583 • 2021 Oct 13

Evidence Update on the Relationship between Diet and the Most Common Cancers from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study: A Systematic Review.

Nutrients

Open PubMed

PMID 22051327 • 2011 Nov 8

Omega-3 fatty acids and cardiovascular disease: effects on risk factors, molecular pathways, and clinical events.

J Am Coll Cardiol

Open PubMed

PMID 22499449 • 2012 Apr

Nutrition and vascular dementia.

J Nutr Health Aging

Open PubMed

PMID 24383511 • 2014 Jan

Le statut en acide eicosapentaénoïque est associé à des valeurs plus élevées de l'indice calcanéen ultrasonore stiffness chez les femmes autochtones: résultats d'une étude longitudinale et de deux études transversales.

Appl Physiol Nutr Metab

Open PubMed

Community Report Frequency[388,1200,6149]

Benefit reports: 4

Adverse reports: 7

No-effect reports: 0

Mixed reports: 3

Unclear reports: 1

Signal confidence: 0.60

Top Reported Effects[388,1200,6149]

Benefits

  • better: 3
  • helpful: 1
  • sustainable: 1
  • improved: 1

Adverse

  • anxiety: 2
  • side effect: 1
  • bloating: 1
  • crash: 1
  • palpitations: 1
  • reflux: 1
  • cramps: 1

No Effect

  • insufficient no-effect reports captured: 0

Community confidence 0.60 with mentions: benefit 1, adverse 1, no-effect 0.

Subreddit coverage: Biohackers, carnivorediet, nutrition.

Community Evidence Examples[388,1200,6149]

post • r/carnivorediet • unclear

This report examines the evidence and debates surrounding the hypothesis that early human ancestors were primarily facultative carnivores—hunting large, fatty megafauna and fatty fish—to secure the high-energy, fat‐rich diets that may have…

Open mention

post • r/nutrition • benefit

For those who are taking omega 3, what difference did it make for you? Hello everyone. I am working on improving my overall nutrition and I keep seeing omega 3 mentioned as an essential part of a healthy diet. I try to eat fatty fish once …

Open mention

post • r/carnivorediet • adverse

Low libido after 3 years on the Carnivore Diet Hi everyone, I've been following the carnivore diet since 2022, and I've managed to resolve more than 15 different health issues, including sleep apnea, eczema, seasonal allergies, arthritis i…

Open mention

post • r/Biohackers • mixed

Ditching the Omega 3 Capsules: Why I Eat Fatty Fish Instead of Taking Supplements. Hey everyone, Today I read another omega-3 thread here and ended up revisiting my own relationship with fish/algae oil. I’m generally skeptical of isolated …

Open mention

post • 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 mention

post • r/carnivorediet • mixed

I’m 2 weeks and 2 days into this Carnivore Diet and let me tell you… First let me describe the Carnivore Diet I am following the last few weeks since I started: strict carnivore diet (meat, eggs, butter from grass fed cows) and I cheated f…

Open mention

Primary Source Links

Evidence Sources

  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22fatty%20fish%22%20AND%20(diet%20OR%20intake%20OR%20consumption))%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=(%22fatty%20fish%22%20AND%20(diet%20OR%20intake%20OR%20consumption))%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)
  • https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=pubmed&term=(%22fatty%20fish%22%20AND%20(diet%20OR%20intake%20OR%20consumption))%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=(%22fatty%20fish%22%20AND%20(diet%20OR%20intake%20OR%20consumption))%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=(%22fatty%20fish%22%20AND%20(diet%20OR%20intake%20OR%20consumption))%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/35108375/
  • https://pubmed.ncbi.nlm.nih.gov/24828061/
  • https://pubmed.ncbi.nlm.nih.gov/37960192/
  • https://pubmed.ncbi.nlm.nih.gov/30470232/
  • https://pubmed.ncbi.nlm.nih.gov/29524247/
  • https://pubmed.ncbi.nlm.nih.gov/33917229/
  • https://pubmed.ncbi.nlm.nih.gov/37156666/
  • https://pubmed.ncbi.nlm.nih.gov/33978160/
  • https://pubmed.ncbi.nlm.nih.gov/32008913/
  • https://pubmed.ncbi.nlm.nih.gov/34548243/
  • https://pubmed.ncbi.nlm.nih.gov/25527657/
  • https://pubmed.ncbi.nlm.nih.gov/32918853/
  • https://pubmed.ncbi.nlm.nih.gov/34684583/
  • https://pubmed.ncbi.nlm.nih.gov/22051327/
  • https://pubmed.ncbi.nlm.nih.gov/22499449/

Community Sources

  • https://old.reddit.com/search.json?raw_json=1&sort=relevance&t=year&limit=8&q=%22fatty%20fish%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/r/carnivorediet/comments/1kfjnaz/this_report_examines_the_evidence_and_debates/.json?raw_json=1&sort=top&limit=25
  • https://www.reddit.com/search/?q=Fatty%20Fish%20(salmon%2C%20sardines%2C%20mackerel)

Scientific Evidence Notes[2075,2103,2262, etc.]

1. PubMed triage evidence summary: Fatty Fish (salmon, sardines, mackerel)

PUBMED • Humans + preclinical triage

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

Outcome: Humans 529, RCT 88, meta 9, cohort 152.[2075,2103,2262, etc.]

Open source
2. Relations between the Consumption of Fatty or Lean Fish and Risk of Cardiovascular Disease and All-Cause Mortality: A Systematic Review and Meta-Analysis.

PUBMED • 2022 • Human evidence curation set

PMID 35108375 from Adv Nutr.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
3. ALA, fatty fish or marine n-3 fatty acids for preventing DM?: a systematic review and meta-analysis.

PUBMED • 2014 • Human evidence curation set

PMID 24828061 from Curr Diabetes Rev.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
4. Fish Intake in Relation to Fatal and Non-Fatal Cardiovascular Risk: A Systematic Review and Meta-Analysis of Cohort Studies.

PUBMED • 2023 • Human evidence curation set

PMID 37960192 from Nutrients.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
5. Effects of fatty and lean fish intake on stroke risk: a meta-analysis of prospective cohort studies.

PUBMED • 2018 • Human evidence curation set

PMID 30470232 from Lipids Health Dis.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
6. The role of fish intake on asthma in children: A meta-analysis of observational studies.

PUBMED • 2018 • Human evidence curation set

PMID 29524247 from Pediatr Allergy Immunol.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
7. Heterogeneity of Associations between Total and Types of Fish Intake and the Incidence of Type 2 Diabetes: Federated Meta-Analysis of 28 Prospective Studies Including 956,122 Participants.

PUBMED • 2021 • Human evidence curation set

PMID 33917229 from Nutrients.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
8. Fatty fish consumption reduces lipophilic index in erythrocyte membranes and serum phospholipids.

PUBMED • 2023 • Human evidence curation set

PMID 37156666 from Nutr Metab Cardiovasc Dis.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
9. Biomarkers and Fatty Fish Intake: A Randomized Controlled Trial in Norwegian Preschool Children.

PUBMED • 2021 • Human evidence curation set

PMID 33978160 from J Nutr.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
10. Effect of fatty fish or nut consumption on concentrations of persistent organic pollutants in overweight or obese men and women: A randomized controlled clinical trial.

PUBMED • 2020 • Human evidence curation set

PMID 32008913 from Nutr Metab Cardiovasc Dis.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
11. Lipidomic changes of LDL after consumption of Camelina sativa oil, fatty fish and lean fish in subjects with impaired glucose metabolism-A randomized controlled trial.

PUBMED • 2021 • Human evidence curation set

PMID 34548243 from J Clin Lipidol.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
12. Nontargeted metabolite profiling discriminates diet-specific biomarkers for consumption of whole grains, fatty fish, and bilberries in a randomized controlled trial.

PUBMED • 2015 • Human evidence curation set

PMID 25527657 from J Nutr.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
13. Mediterranean Diet and Atherothrombosis Biomarkers: A Randomized Controlled Trial.

PUBMED • 2020 • Human evidence curation set

PMID 32918853 from Mol Nutr Food Res.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
14. Evidence Update on the Relationship between Diet and the Most Common Cancers from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study: A Systematic Review.

PUBMED • 2021 • Human evidence curation set

PMID 34684583 from Nutrients.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
15. Omega-3 fatty acids and cardiovascular disease: effects on risk factors, molecular pathways, and clinical events.

PUBMED • 2011 • Human evidence curation set

PMID 22051327 from J Am Coll Cardiol.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
16. Nutrition and vascular dementia.

PUBMED • 2012 • Human evidence curation set

PMID 22499449 from J Nutr Health Aging.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source
17. Le statut en acide eicosapentaénoïque est associé à des valeurs plus élevées de l'indice calcanéen ultrasonore stiffness chez les femmes autochtones: résultats d'une étude longitudinale et de deux études transversales.

PUBMED • 2014 • Human evidence curation set

PMID 24383511 from Appl Physiol Nutr Metab.

Outcome: See linked PubMed abstract for methods and outcomes.[2075,2103,2262, etc.]

Open source