These guides are designed to keep three evidence layers separate: what a product label proves, what a seller claims, and what independent research has actually tested.
AREDS2
The most clinically important supplement framework in age-related macular degeneration.
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Lutein & zeaxanthin
Macular carotenoids, research doses and label transparency.
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Gut-eye axis
An emerging research concept with important evidence limitations.
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Beta-carotene
Why smoker/former-smoker context matters in eye supplementation.
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Proprietary blends
How to interpret a formula when individual doses are not listed.
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