Zeaxanthin
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A yellow-orange carotenoid pigment found in leafy greens and corn, concentrated in the retina of the eye alongside lutein.
Why it’s used
Taken to support eye health, particularly macular pigment density related to age-related vision changes.
What the evidence is for
slowing progression of age-related macular degeneration, in combination with lutein and other nutrients, in at-risk populations.
What the evidence says
The large NIH-funded AREDS2 trial found that a supplement combination including lutein and zeaxanthin, alongside other nutrients, was associated with reduced progression to advanced age-related macular degeneration in people already at risk. Zeaxanthin was studied only in combination with lutein and other nutrients, not alone, so its individual contribution is not established.
Context
The AREDS2 trial used a formulation containing 2 milligrams of zeaxanthin along with 10 milligrams of lutein daily, combined with other vitamins and minerals, studied in people with existing age-related macular degeneration risk factors.
Educational information, not medical or safety advice. Consult a professional for allergies or medical concerns.