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-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
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.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Increases macular pigment optical density (MPOD) — lutein esters significantly elevate MPOD in human supplementation trials and meta-analyses. NIH/PubMed — Ma, 2016
✓ Improves glare disability and photostress recovery — lutein/zeaxanthin supplementation enhances glare recovery and reduces photostress in double-blind randomized trials. NIH/PubMed — Stringham, 2014
✓ Supports contrast sensitivity — macular carotenoids including lutein/zeaxanthin improve contrast sensitivity in clinical intervention studies. NIH/PMC — Nolan, 2014
✓ Enhances visual performance under glare conditions — lutein/zeaxanthin supports better visual function in glare disability tests per RCTs. NIH/PubMed — Stringham, 2016
✓ Supports macular pigment density — supplementation with lutein esters increases MPOD in meta-analysis of human trials. NIH/PMC — Wilson, 2021
✓ Improves visual processing speed — lutein/zeaxanthin supplementation aids visual processing speed in randomized controlled studies. NIH/PubMed — Bovier, 2015
✓ Helps with visual metrics in screen-exposed adults — lutein/zeaxanthin improves MPOD and visual performance over time in supplementation trials. NIH/PMC — Lopresti, 2025
✓ Supports contrast sensitivity and glare recovery — macular carotenoids contribute to enhanced contrast and faster photostress recovery in clinical data. NIH/PubMed — Stringham, 2014
✓ Helps maintain visual function — lutein/zeaxanthin supports everyday visual performance metrics in human studies. NIH/PMC — Wilson, 2021
✓ Supports macular pigment for eye protection — lutein esters build MPOD to aid optical filtering and visual support in trials. NIH/PubMed — Ma, 2016
Additional / Promising Evidence
✓ May aid visual processing speed — lutein/zeaxanthin linked to faster visual processing in randomized studies. NIH/PubMed — Bovier, 2015
✓ May benefit screen-exposed adults — supplementation improves MPOD and visual metrics over 6 months in trials. NIH/PMC — Lopresti, 2025
✓ May help filter short-wavelength blue light — lutein via MPOD optically filters blue light in human studies. NIH/PMC — Roberts, 2015
✓ May support night-vision tasks — lutein/zeaxanthin shows promise in pilot studies for night vision performance. NIH/PubMed — Iannaccone, 2021
✓ May preserve MPOD in high myopia — zeaxanthin associated with maintained MPOD in cohort studies. NIH/PubMed — Li, 2022
✓ May correlate with better academic performance in children — higher MPOD linked to improved performance in observational data. NIH/PubMed — Walk, 2017
University-Led & Academic Studies
✓ Highlights carotenoids’ role in retinal health — research from Harvard Medical School on lutein/zeaxanthin in macular pigment. Harvard Medical School Resources
✓ Supports lutein’s protective effects on macular pigment — studies from Johns Hopkins University on macular carotenoids. Johns Hopkins University Resources
✓ Provides overview on carotenoids for eye health — relevant carotenoid research from Oregon State University – Linus Pauling Institute. Linus Pauling Institute Resources
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Global Evidence & Reviews
✓ Supports macular pigment and visual function — lutein/zeaxanthin linked to eye health in NIH dietary guidelines and reviews. NIH/ODS — Lutein & Zeaxanthin Fact Sheet
✓ Contributes to retinal protection — carotenoids recognized for vision support in global health reviews and meta-analyses. NIH/PubMed — Ma, 2016
✓ Supports visual performance metrics — lutein/zeaxanthin evidence in systematic reviews for contrast and glare recovery. NIH/PMC — Wilson, 2021
Key Ingredients
- Lutein Esters (20 mg) — Builds macular pigment; supports glare recovery and contrast sensitivity.*
- Zeaxanthin — Companion macular carotenoid; supports MPOD and visual function.*
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*
-
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
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.
Lutein Esters 20 mg — supports macular pigment, contrast sensitivity, glare recovery & blue-light filtering. Non-GMO, 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
