Extract & Compound · Compound

Lutein

Provisional Strong Scorecompound

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

Lutein is a xanthophyll carotenoid that concentrates in the macula and retina to filter harmful blue light wavelengths (400-490 nm). This antioxidant pigment protects photoreceptor cells from oxidative damage and supports visual function through selective light filtration.

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Screened PMID Records

Reported Benefits

Pending

Synergy Review

At a Glance

CategoryExtract & Compound

GroupCompound

Public Score StatusProvisional Strong

Primary Keywordlutein benefits

Lutein — botanical close-up

Reported Benefits (Provisional)

Lutein promotes eye health by filtering harmful blue light, reducing the risk of macular degeneration. It accumulates in the macula, enhancing visual performance. - It acts as an antioxidant, reducing oxidative stress and protecting against cellular damage. - Lutein supports skin health by improving hydration and elasticity, reducing signs of aging. - It enhances cognitive function by protecting neurons from oxidative damage, supporting brain health. - Lutein reduces inflammation, lowering the risk of chronic diseases like arthritis. - It supports cardiovascular health by improving arterial function, reducing heart disease risk. - Lutein boosts immune function by modulating inflammatory cytokines, enhancing overall health.

Origin & History

Natural habitat

Lutein is a carotenoid found in high concentrations in green leafy vegetables like spinach and kale. It is extracted through solvent extraction processes for use in supplements.

“Lutein has been valued for its eye health benefits for centuries, especially in diets rich in leafy greens.”Traditional Medicine

Research Narrative (Provisional)

Numerous RCTs and observational studies confirm its benefits for eye health and cognitive function. It is well-supported by scientific evidence.

Preparation & Dosage

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

Nutritional Profile

- Rich in carotenoids, particularly lutein. - Contains zeaxanthin, another important eye-supportive carotenoid. - Provides antioxidant activity.

Reported Mechanism (Provisional)

Mechanism of Action

Lutein accumulates in macular pigment alongside zeaxanthin, where it absorbs high-energy blue light photons before they reach photoreceptor cells. The compound neutralizes reactive oxygen species through its conjugated double-bond system, particularly protecting against lipid peroxidation in retinal membranes. Lutein also upregulates antioxidant enzymes like glutathione peroxidase and catalase in ocular tissues.

Clinical Narrative (Provisional)

Multiple randomized controlled trials demonstrate lutein's efficacy for eye health, including the AREDS2 study (n=4,203) showing 10mg daily lutein plus 2mg zeaxanthin reduced advanced macular degeneration risk by 26%. Meta-analyses of 20+ studies indicate 6-20mg daily lutein improves macular pigment optical density within 3-6 months. Evidence for cognitive and skin benefits exists but remains limited to smaller trials. Most studies use lutein esters or free lutein with consistent bioavailability.

Also Known As

(3R,3'R,6'R)-beta,epsilon-carotene-3,3'-diolXanthophyllVegetable luteinMarigold extractEye vitaminHelenienBo-luteinLuteine

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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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