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Question:
Does Longevinex resveratrol really help for age-related macular degeneration?

Answer:
As discussed in the Resveratrol Supplements Review, there have been several reported cases, all from the same doctor, of people with age-related macular degeneration (AMD) experiencing improvement or slowed progression of the disease while taking Longevinex. A laboratory study also suggests that resveratrol itself can inhibit the production of growth factors, the overexpression of which is known to worsen AMD in human retinal cells. However, there do not appear to be any randomized, placebo-controlled studies on the effects of Longevinex in people with AMD, as would be needed to determine its efficacy for AMD. More about this, plus evidence for other uses of resveratrol and our tests of popular products, is found in the Resveratrol Supplements Review >>

Also see these related CL Answers:



I thought resveratrol came from red wine or grape skins - what is the "Polygonum cuspidatum" I see listed on my supplement? >>

Are the cardiovascular benefits of resveratrol exaggerated?  >>

Which supplements are helpful for age-related macular degeneration (AMD)? >>



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Arch8537   March 20, 2016
Could Consumer Lab please test Longevinex and give a report?
Thanks.

ConsumerLab.com   March 21, 2016
Hi Arch - Thank you for your suggestion, we will keep it in mind.

Helen8536   March 20, 2016
Is there any evidence that some supplements can help normal-tension glaucoma? It is often due to vascular dysregulation, but are treatments for that helpful?

ConsumerLab.com   May 12, 2016
Hi Helen - Some studies have found that in people with normal tension glaucoma, ginkgo biloba extract increased blood flow to certain parts of the eye (http://www.ncbi.nlm.nih.gov/pubmed/21976939) and improved pre-existing visual field damage, without changes in eye pressure (http://www.ncbi.nlm.nih.gov/pubmed/12578781). However, not all studies have found a benefit.

See the "What to Consider When Using" section of the Ginkgo Biloba Supplements Review (https://www.consumerlab.com/reviews/_/GinkgoBiloba/#tips) and the Encyclopedia article about Glaucoma (https://www.consumerlab.com/tnp.asp?chunkiid=38393) for more information.

This CL Answer initially posted on 3/20/2016. Last updated 8/2/2017.

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