Before starting any vitamin supplements we suggest that you speak to both your medical doctor and eye care professional. Some supplements have effects on medications and some claim to do more than they were designed to do. – MDA
by: Laird Harrison
Eye health claims made for some supplements are not supported by evidence, and the supplements could pose a risk to the user, researchers say.
“The scary thing is that the [US Food and Drug Administration] doesn’t regulate these supplements for safety or efficacy,” Jennifer J. Yong, MD, told Medscape Medical News.
Dr Yong, a resident at Yale-New Haven Hospital-Waterbury Hospital in Waterbury, Connecticut, and colleagues published a study examining supplement contents online November 20 in Ophthalmology.
Specific Formulas Are Proven
The Age-Related Eye Disease Study (AREDS), a randomized controlled trial published in 2001, showed that a specific formula of nutrients reduced the risk for vision loss from age-related macular degeneration in the intermediate and advanced stages of the disease.
The AREDS formula, made up of high doses of vitamin C, vitamin E, beta-carotene, and zinc, is patented by Bausch and Lomb.
It did not show any benefits in patients with cataracts, patients without eye disease, or even patients in the early stages of macular degeneration.
Because other studies have linked beta-carotene to lung cancer in smokers, researcher tried a second AREDS formula, known as AREDS2, in which lutein and zeaxanthin take the place of beta carotene. They showed it to be safe and effective in the same way as the original formula.
Not All Supplements Equal
Many adults use supplements for eye health, the researchers report. “Among the 59% of adults in the United States who take dietary supplements, 7% use a supplement for eye health,” they write, citing a Multi-Sponsor Surveys Inc 2011 study of US Eye Health……
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Source: Med Scape