Lutein, which is present in eggs or egg yolks can potentially help with some instances of age-related macular degeneration. zeaxanthine and astaxanthine come from certain fruits, like blueberries,. These xanthines are also present in supplements such as iHealth products. I don't know of any evidence that supplementing with additional lutein, ziazzanthine, and astaxAnthine can be dangerous for those of you that are really interested in maintaining or improving your vision.

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