Select all that applyWhich carotenoids may help lessen the risk of macular degeneration?Multiple select question.LuteinZeaxanthinBeta-caroteneVitamin A
Question
Select all that apply
Which carotenoids may help lessen the risk of macular degeneration?
- Lutein
- Zeaxanthin
- Beta-carotene
- Vitamin A
Solution
Carotenoids and Macular Degeneration
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Lutein: This carotenoid is known for its protective effects on the retina and has been shown to increase macular pigment density, potentially reducing the risk of age-related macular degeneration (AMD).
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Zeaxanthin: Similar to lutein, zeaxanthin contributes to the antioxidant defense in the retina and is effective in filtering harmful blue light. It is also associated with a lower risk of macular degeneration.
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Beta-carotene: This carotenoid is a precursor to vitamin A and plays a role in visual health, but its direct impact on macular degeneration is less established compared to lutein and zeaxanthin.
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Vitamin A: Although essential for overall eye health and vision, vitamin A is not a carotenoid itself. It is derived from carotenoids like beta-carotene but does not directly influence the risk of macular degeneration as carotenoids do.
Summary
Based on the above analysis, the carotenoids that may help lessen the risk of macular degeneration are Lutein and Zeaxanthin.
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