Oil & Fat · Oil

Cod Liver Oil

Provisional Moderate ScoreCompound

Hermetica Superfood Encyclopedia

Published March 15, 2026Last updated March 15, 2026Methodology · Editorial policy · Report an error

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Cod liver oil is rich in omega-3 fatty acids (EPA, DHA) and fat-soluble vitamins A and D, providing significant anti-inflammatory and bone-supporting benefits. These compounds regulate pro-inflammatory markers and enhance calcium absorption, contributing to overall health.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryOil & Fat

GroupOil

Public Score StatusProvisional Moderate

Primary KeywordCod Liver Oil benefits

Cod Liver Oil — botanical close-up

Reported Benefits (Provisional)

Reduces systemic inflammation and supports heart rhythm stability through its EPA and DHA content, promoting cardiovascular health.

Enhances calcium absorption and bone mineralization via bioavailable Vitamin D, contributing to skeletal resilience.

Maintains retinal function and supports visual acuity with its high concentration of Vitamin A.

Strengthens both innate and adaptive immunity through the immunomodulatory actions of Vitamins A and D.

Supports dermal regeneration and reduces skin inflammation, promoting hydration and a healthy glow.

Eases post-exertion fatigue and enhances tissue repair through the anti-inflammatory properties of omega-3s.

Origin & History

Natural habitat

Cod Liver Oil is a nutrient-dense oil extracted from the livers of Atlantic cod (*Gadus morhua*), primarily sourced from the pristine waters of the North Atlantic and Arctic seas. It is a unique natural source of essential omega-3 fatty acids (EPA and DHA) and fat-soluble vitamins A and D. This synergistic profile makes it highly valued for supporting cardiovascular health, skeletal resilience, immune function, and skin vitality.

“Cod Liver Oil has a long and rich history in Scandinavian and Nordic cultures, where it was traditionally consumed daily as a vital tonic. Revered for centuries, it was believed to impart resilience, vigor, and clarity, particularly during long, dark winter months, supporting overall health and well-being.”Traditional Medicine

Research Narrative (Provisional)

Extensive scientific literature, including numerous randomized controlled trials and meta-analyses, supports the benefits of Cod Liver Oil for cardiovascular health, bone density, and immune function, primarily due to its omega-3 fatty acids and vitamins A and D. Evidence also indicates its role in vision support and reducing inflammation.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

- Essential Fatty Acids: Omega-3 (Eicosapentaenoic Acid - EPA, Docosahexaenoic Acid - DHA) - Vitamins: Vitamin D (D3), Vitamin A (Retinol)

Reported Mechanism (Provisional)

Mechanism of Action

Cod Liver Oil's EPA and DHA modulate inflammatory pathways by regulating the expression of pro-inflammatory markers such as VCAM-1, ICAM-1, and MCP-1, and inhibiting TLR activation. Vitamin D enhances intestinal calcium absorption and bone mineralization, while Vitamin A supports rhodopsin synthesis and photoreceptor function in the retina.

Clinical Narrative (Provisional)

Extensive clinical research, including numerous randomized controlled trials and comprehensive meta-analyses involving thousands of participants, consistently supports the therapeutic benefits of Cod Liver Oil. Studies demonstrate significant improvements in cardiovascular parameters, such as reduced systemic inflammation and stabilized heart rhythms, alongside enhanced bone mineral density due to its Vitamin D content. Evidence also indicates support for visual acuity and immune system modulation.

Also Known As

Gadus morhuaFish liver oilArctic Cod Liver Oil

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.

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