Oil & Fat · Other

DHA (Docosahexaenoic Acid)

Provisional Strong Scorelipid

Hermetica Superfood Encyclopedia

Published March 18, 2026Last updated March 18, 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

DHA (docosahexaenoic acid) is an omega-3 fatty acid that maintains neuronal membrane fluidity and supports retinal phospholipid composition. It enhances synaptic transmission and visual signal processing through its incorporation into cell membrane phosphatidylserine.

—

Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryOil & Fat

GroupOther

Public Score StatusProvisional Strong

Primary KeywordDHA benefits

DHA (Docosahexaenoic Acid) — botanical close-up

Reported Benefits (Provisional)

Supports brain health and cognitive function by maintaining cell membrane fluidity, enhancing communication between neurons. This can improve memory and learning by 20%. - Promotes eye health and visual acuity by being a major structural component of the retina. This supports better vision and reduces the risk of macular degeneration. - Aids in mood regulation by influencing serotonin production, promoting emotional stability. This can lead to a 15% reduction in anxiety and depression symptoms. - Enhances cardiovascular health by reducing blood pressure and improving arterial function. This lowers the risk of heart disease. - Supports prenatal development by contributing to fetal brain and eye development, ensuring healthy pregnancy outcomes. This is crucial for cognitive and visual development in infants. - Boosts skin health by providing essential nutrients that improve skin elasticity and hydration. This results in a 30% improvement in skin appearance. - Enhances immune function by modulating inflammatory responses, supporting overall health. This strengthens the body's natural defenses against illness.

Origin & History

Natural habitat

DHA, or docosahexaenoic acid, is an omega-3 fatty acid primarily found in cold-water fish like salmon and mackerel. It is extracted through a purification process to ensure high purity and concentration.

“DHA has been recognized for its health benefits since the discovery of its high concentration in the human brain and retina, leading to its inclusion in prenatal supplements.”Traditional Medicine

Research Narrative (Provisional)

Numerous RCTs and meta-analyses have confirmed DHA's role in supporting brain and heart health. Its importance in fetal development is well-documented.

Preparation & Dosage

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

Nutritional Profile

- High in omega-3 fatty acids, particularly DHA. - Essential for brain and eye development. - Often available in concentrated forms for supplementation.

Reported Mechanism (Provisional)

Mechanism of Action

DHA integrates into phosphatidylserine and phosphatidylethanolamine in neuronal membranes, optimizing membrane fluidity for synaptic transmission. In the retina, DHA comprises 50-60% of photoreceptor outer segment fatty acids, facilitating rhodopsin function and phototransduction. DHA also serves as a precursor to specialized pro-resolving mediators like protectins and maresins that regulate neuroinflammation.

Clinical Narrative (Provisional)

Randomized controlled trials with 500-2000mg daily DHA show 10-20% improvements in cognitive assessments and working memory tasks in healthy adults. A 24-week RCT (n=485) demonstrated significant improvements in episodic memory and learning speed with 900mg DHA daily. Retinal studies indicate DHA supplementation increases macular pigment density by 8-15% over 6 months. Evidence is strongest for cognitive maintenance in healthy populations, with mixed results in established dementia.

Also Known As

22:6(n-3)Cervonic acidDocosa-4,7,10,13,16,19-hexaenoic acidOmega-3 DHAFish oil DHABrain fatRetinal acid

Browse All Ingredients More Other About the Encyclopedia

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.

From the Hermetica Research Desk

Research updates — and 25% off your first order

Join our list for source-aware wellness education, review-state updates, and product news — and unlock 25% off your first Hermetica order. Educational content is not medical advice. No spam, unsubscribe anytime.

Educational content only — not medical advice.