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haidut

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Quite a few people have been asking on the forum and via email about interventions for age-related cataracts. Here are some links below. The type of vitamin E used in all studies was alpha-tocopherol and the dose varied from 12mg/day all the way up to HED of 15mg/kg daily for the rodent model studies. The effect was dose dependent in both animal and human trials but anything over 150mg daily for humans was highly effective.

https://www.researchgate.net/public..._risk_of_age-related_cataract_A_meta-analysis
Methodology of the VECAT study: vitamin E intervention in cataract and age-related maculopathy. - PubMed - NCBI
Vitamin E can protect against ultraviolet radiation-induced cataract in albino rats. - PubMed - NCBI
Dose-response relationship for α-tocopherol prevention of ultraviolet radiation induced cataract in rat. - PubMed - NCBI
High Vitamin E Cuts Cataract Risk By Half

"...A study using experimental animals found that vitamin E — as alpha-tocopherol, the most common form sold — protected the animals from radiation-induced cataracts. In a human study, 175 people with cataracts were compared to 175 without cataracts, and researchers found that those with the highest vitamin E blood levels had a 50 percent lower risk of developing a cataract. The Vitamin E and Cataract Prevention Study (VECAT) was a randomized trial that examined healthy volunteers ages 55 to 80 over a four-year period after being given either vitamin E or a placebo."

"...In a long-term study of 764 people, scientists reported a 30 percent reduction in lens clouding in subjects who took a daily multiple vitamin, along with a 57 percent reduction in regular users of vitamin E and a 42 percent reduction in those with high levels of vitamin E in their plasma. Vitamin E is a powerful antioxidant and raises the glutathione level in the lens. The recommended dose is 500 IU a day as a mixed tocopherol (natural vitamin E)."
 

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