Lutein
vitamins
Lutein is a carotenoid antioxidant found naturally in leafy greens that accumulates in the macula of the eye, providing protection against age-related macular degeneration and oxidative stress. It works synergistically with zeaxanthin to filter harmful blue light and reduce glare sensitivity. Clinical evidence supports its role in maintaining eye health and visual function, particularly in older adults.
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Benefits
Dosage
Typical Dose
10-20 mg daily
Upper Limit
20 mg daily
Timing
With meals containing fat for optimal absorption
Forms & Bioavailability
Free lutein (powder/capsule)
Moderate; enhanced with dietary fat
Lutein ester
Moderate; requires hydrolysis in the digestive tract
FloraGLO® lutein
High; standardised patented form
Side Effects
Interactions
Research Summary
The Age-Related Eye Disease Study (AREDS2) demonstrated that lutein supplementation, particularly when combined with zeaxanthin, meso-zeaxanthin, and other nutrients, significantly reduced the progression of advanced AMD. Observational studies and randomised controlled trials consistently show that higher macular pigment optical density (MPOD), increased by lutein intake, correlates with better visual outcomes and reduced AMD risk. Current evidence supports lutein's efficacy for eye health, though optimal dosing and long-term safety require further investigation.
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The Bottom Line on Lutein
Lutein is well-researched with strong evidence supporting its primary benefits.It is most commonly used for supports macular health and reduces risk of age-related macular degeneration (amd) and filters blue light and reduces glare, improving visual comfort. As with any supplement, individual results vary. Start with the lower end of the dosage range and assess for 4-8 weeks before adjusting.
About Our Research
This profile is compiled from peer-reviewed research published on PubMed, the NIH Office of Dietary Supplements, and established nutritional science databases. Dosages reflect clinically-studied amounts from human trials where available. We update profiles as new research emerges. This is not medical advice — consult a healthcare professional before supplementing.
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