Evidence supporting the use of: Vegetable (unspecified)
For the body system: Eyes

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Synopsis

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

Vegetables are widely recognized for their role in supporting eye health, primarily due to their nutrient content. Scientific evidence suggests that certain vegetables, particularly those high in carotenoids like beta-carotene, lutein, and zeaxanthin, contribute to maintaining healthy vision and may reduce the risk of age-related macular degeneration (AMD) and cataracts. Leafy greens (e.g., spinach, kale) and orange/yellow vegetables (e.g., carrots, sweet potatoes) are especially noted for these nutrients. Beta-carotene is converted into vitamin A in the body, which is essential for normal vision. Deficiencies in vitamin A can lead to night blindness and other eye problems. Lutein and zeaxanthin accumulate in the retina and help filter harmful high-energy blue wavelengths of light, acting as antioxidants to protect eye cells. Multiple observational studies and randomized controlled trials have found associations between higher intake of these vegetables and reduced risk of certain eye conditions, though the evidence is stronger for some nutrients and populations than others. It should be noted, however, that the term "vegetable (unspecified)" is broad, and not all vegetables have the same level of beneficial nutrients for eye health. Nonetheless, the consensus in nutrition science is that a diet rich in a variety of vegetables supports overall eye health.

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Other body systems supported by Vegetable (unspecified)

Arteries
Blood
Brain
Eyes
Immune System
Intestinal System
Spleen
Teeth

Products containing Vegetable (unspecified)

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