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Questions answered

Plain-language articles on macular degeneration, AREDS2 and the nutrients studied for eye health, with links to the research behind every claim.

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Articles about Questions answered

7 articles · Show all

Older adult filling a weekly pill organizer with softgels at a wooden table beside a glass of water and a desk calendar
AREDS27 min read

How Long Does AREDS2 Take to Work?

There is no set number of weeks. The AREDS and AREDS2 trials measured a lower risk of advanced AMD over years, and the supplements are not...

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Older adult reading a supplement label at a kitchen table
AREDS27 min read

Can AREDS2 Prevent Macular Degeneration?

No. The National Eye Institute says nutritional supplements cannot prevent AMD. The AREDS2 formula was studied in people who already have intermediate AMD or late AMD...

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Pharmacist talking with an older woman who is holding a supplement bottle at a pharmacy counter
AREDS26 min read

Are AREDS2 Vitamins Safe? Side Effects and Interactions

The main AREDS report found no statistically significant serious side effects, but high-dose zinc and vitamin E carry specific cautions. Here is what to review with...

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Hands reaching for a small dish holding one softgel and one tablet, next to a white bottle and an amber bottle on a wooden shelf
AREDS27 min read

Can You Take AREDS2 With a Multivitamin?

Yes. NEI says the AREDS2 formula does not replace a multivitamin, and most trial participants took both. The main caution is adding up nutrients like zinc...

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Older woman and a younger woman smiling as they review a handwritten list at a kitchen table beside an amber supplement bottle
Questions answered7 min read

AREDS2 and Blood Thinners: Questions for Your Doctor

If you take a blood thinner, talk with your doctor before starting AREDS2. Vitamin E is the main ingredient to discuss, and people on warfarin need...

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Leafy greens, peas, corn, nuts and fish arranged on a kitchen counter
Eye nutrition8 min read

Can You Get AREDS2 Nutrients From Food?

The lutein and zeaxanthin in AREDS2 is easy to match with leafy greens, but the vitamin C, vitamin E and zinc doses are hard to reach...

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What Is AREDS2 and Who Needs It? A Guide to Evidence-Based Eye Health
AREDS24 min read

What Is AREDS2 and Who Needs It? A Guide to Evidence-Based Eye Health

Age-related macular degeneration (AMD) is one of the leading causes of vision loss in adults over 50, and for decades researchers have studied whether nutrition can...

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