Lutein & Zeaxanthin
TL;DR
The 'eye vitamins'; carotenoids that filter blue light
High evidence for slowing Macular Degeneration (AREDS2)
Moderate evidence for reducing eye strain and improving visual performance
Must be taken together (typically in a 5:1 ratio)
Excellent safety profile
Affordable: ~$10-18/month
Best for: Eye health, screen-time protection
What it is
These two pigments are the only ones found in the macula (the center of your retina). They act like 'natural sunglasses,' absorbing harmful blue light and protecting the delicate photoreceptors from being 'fried' by light exposure.
What the research says
These are the 'stars' of the AREDS2 formula. Evidence. Replacing beta-carotene with Lutein and Zeaxanthin was found to be more effective and safer for reducing the risk of advanced AMD. They are mandatory for anyone with early-stage vision loss.
Lutein & Zeaxanthin on Amazon
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Safety
Extremely safe. No known toxicity.
Interactions
None significant.
Dosing
Standard Dose: 10 mg Lutein and 2 mg Zeaxanthin daily. Timing: With a meal.
Cost
Affordable. $10-18 per month.
The bottom line
If you care about your vision, these are the two most important supplements you can take. They are the primary defense against the aging of the eye.
Sources for this page include published meta-analyses, systematic reviews, and NIH dietary supplement fact sheets. All claims reflect the evidence as of early 2026.
This is not medical advice. Consult your healthcare provider before starting any supplement, especially if you take medications.