Summary
Lutein is a carotenoid structure similar to Zeaxanthin, and the two are components of many food products such as egg yolks and paprika. Lutein may bioaccumulate in the eyes where it is thought to reduce oxidative stress.
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Antioxidant supplementation for eye health
In this meta-analysis of randomized controlled trials, supplementation with some antioxidant combinations led to improvements in markers of eye health and visual acuity.
Does supplementing with antioxidants reduce the risk of age-related macular degeneration progression?
Grape consumption and eye health
Multiple supplements for wet age-related macular degeneration
Can supplementing with polyunsaturated fatty acids + lutein and zeaxanthin boost memory in older adults?