Lutein Esters 20 mg — Capsules — Macular Pigment Support, Contrast Sensitivity & Glare Recovery*
LifeSource Vitamins Lutein Esters 20 mg delivers lutein esters (from marigold) with companion zeaxanthin to support the eye’s protective macular pigment and everyday visual performance. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency, and purity. Non-GMO, gluten-free, vegetarian capsules.*
Research Promise:
At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.*
Clinically Studied Benefits
Additional / Promising Evidence
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Lutein/Zeaxanthin — May aid visual processing speed based on randomized studies. ((NIH/PubMed — Bovier ER, 2015))
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Lutein/Zeaxanthin — May benefit screen-exposed adults by improving MPOD and visual metrics over 6 months. ((NIH/PMC — Lopresti AL, 2025))
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Lutein/Zeaxanthin — May reduce cataract risk based on observational data. ((NIH/PubMed — Christen WG, 2015))
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Lutein/Zeaxanthin — May indicate lower MPOD in type 2 diabetes adults per observational studies. ((NIH/PubMed — John AP, 2015))
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Lutein/Zeaxanthin — May correlate with better academic performance in children via higher MPOD. ((NIH/PubMed — Walk AM, 2017))
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Lutein/Zeaxanthin — May improve night-vision tasks based on pilot studies. ((NIH/PubMed — Iannaccone A, 2021))
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Lutein/Zeaxanthin — May support long-term MPOD with omega-3 synergy in open-label studies. ((NIH/PubMed — Bernstein PS, 2018); (NIH/PubMed — Gorusupudi A, 2017))
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Lutein — May help filter short-wavelength (blue) light via MPOD based on human studies. ((NIH/PMC — Roberts JE, 2015))
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Zeaxanthin — May preserve MPOD in adults with high myopia per cohort studies. ((NIH/PubMed — Li Y, 2022))
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Lutein/Zeaxanthin — May show stronger MPOD response in certain genotypes per pilot data. ((NIH/PubMed — Conley SM, 2013))
University / Academic Context
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Harvard Medical School — Research highlights carotenoids’ role in retinal health.
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Johns Hopkins University — Studies support lutein’s protective effects on macular pigment.
Global Evidence & Authoritative Reviews
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National Institutes of Health (NIH) — Provides dietary guidelines on lutein/zeaxanthin for eye health.
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World Health Organization (WHO) — Recognizes carotenoids as key nutrients for vision.
We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, the University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, and Ohio State — to keep our guidance aligned with credible science.*
Key Ingredients
Brief Benefit Bullets
- Supports macular pigment optical density (MPOD)*
- Helps visual performance: contrast sensitivity and glare recovery*
- Optically filters short-wavelength (blue) light in the macula*
- Non-GMO; gluten-free; vegetarian capsules*
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3rd-party tested for purity and potency*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — See Supplement Facts label
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Form — Capsules
- Free From — Non-GMO, gluten-free, no artificial colors, preservatives or synthetic chemicals*
- Quality — 3rd-party tested for identity, potency and purity
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Always consult your physician before taking any supplements.
Lutein Esters 20 mg — supports macular pigment, contrast sensitivity, glare recovery & blue-light filtering. Non-GMO, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
