Evidence supporting the use of: Vitamin E (tocopheryl acetate)
For the health condition: Eyesight (poor)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Vitamin E (usually in the form of tocopherol or tocopheryl acetate) has been studied for its role in supporting eye health, particularly in relation to age-related macular degeneration (AMD) and cataracts. It is an antioxidant, which means it helps to protect cells, including those in the eyes, from damage caused by free radicals. The most notable scientific evidence comes from large-scale studies like the Age-Related Eye Disease Study (AREDS and AREDS2), which investigated the effect of antioxidant supplementation (including vitamin E) on the progression of AMD. These studies found that a specific combination of antioxidants (vitamin C, vitamin E, beta-carotene, zinc, and copper) could modestly reduce the risk of progression to advanced AMD in certain individuals at high risk. However, vitamin E alone did not show a significant benefit for preventing or treating poor eyesight or slowing the progression of eye diseases. There is limited evidence for vitamin E's role in preventing cataracts, with most studies finding little or no effect. Therefore, while there is some scientific basis for vitamin E as part of a broader antioxidant supplement regimen for high-risk AMD, the evidence is not strong for its use alone or for general eyesight improvement. The overall evidence score for vitamin E’s use in treating or supporting poor eyesight is moderate to low.

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