Evidence supporting the use of: Proprietary Blend (Herb/Botanical)
For the body system: Eyes

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Synopsis

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

The use of proprietary blends of herbs and botanicals for eye health is primarily justified by traditional and historical practices rather than robust scientific validation. Many cultures have used various herbs—such as bilberry, eyebright, and chrysanthemum—in traditional medicine systems to support vision and maintain eye health. For example, bilberry was historically used by British pilots during World War II who believed it improved their night vision, though this claim has not been substantiated by modern rigorous studies. Eyebright (Euphrasia officinalis) has been used in European folk medicine for eye irritations and general visual support. Chinese and Ayurvedic medicine systems also include botanicals thought to benefit the eyes.

However, when these herbs are combined into a "proprietary blend," the specific composition and dosages are often undisclosed, and scientific studies rarely investigate these blends as a whole. While individual botanicals may have limited laboratory or small clinical study data suggesting potential antioxidant or anti-inflammatory effects, there is insufficient high-quality clinical evidence to confirm significant benefits for eye health in humans. Consequently, the use of proprietary herbal blends for the eyes remains rooted in tradition, with a low to moderate evidence rating due to the lack of standardized, large-scale scientific studies.

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