Evidence supporting the use of: Vitamin B2
For the body system: Eyes

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Vitamin B2, also known as riboflavin, has scientific evidence supporting its role in maintaining normal vision and supporting eye health. Riboflavin is an essential nutrient involved in redox reactions and energy production within cells, including those in the eye. Deficiency in Vitamin B2 can lead to ocular symptoms such as photophobia (light sensitivity), excessive tearing, eye fatigue, and in severe cases, the development of cataracts. Several clinical and epidemiological studies suggest that adequate riboflavin intake may help reduce the risk of cataract formation. For example, a study published in the Archives of Ophthalmology (1993) found an association between higher dietary riboflavin intake and a lower risk of age-related cataracts. Additionally, the European Food Safety Authority (EFSA) recognizes riboflavin as contributing to the maintenance of normal vision.

However, the evidence is moderate rather than strong, as most data come from observational studies rather than large-scale randomized controlled trials. Riboflavin supplementation is primarily beneficial in cases of deficiency rather than as a treatment for specific eye diseases in otherwise healthy individuals. In summary, Vitamin B2 is scientifically recognized as important for eye health, particularly in preventing deficiency-related symptoms and possibly reducing the risk of cataracts, warranting a moderate evidence rating.

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