Carrots are considered beneficial for eye health because they are rich in antioxidants. Many wonder, however, if eating them whole or drinking juice allows for more effective nutrient absorption and greater benefits for eye health.
Both provide beta-carotene
According to Verywell Health, carrots are a rich source of beta-carotene. In the body, this compound converts to vitamin A, a nutrient essential for maintaining a healthy cornea and supporting retinal function, especially in low-light conditions.
According to Healthline, vitamin A is a component of rhodopsin, a light-sensitive pigment in the retina that helps eyes adapt to low-light environments. A deficiency can increase the risk of night blindness, dry eyes, and in severe cases, affect vision.
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Carrots, rich in antioxidants, are good for the eyes. Photo: Bui Thuy |
Carrots, rich in antioxidants, are good for the eyes. Photo: Bui Thuy
Whole carrots retain fiber, offering an advantage
While carrot juice contains beta-carotene, the juicing process removes much of its fiber. Fiber helps slow sugar absorption, extends satiety, and supports gut health. To make one glass of juice, one typically needs more carrots than a standard serving, which increases the intake of natural sugars and calories.
Maintaining stable blood sugar helps protect the vascular system, including the blood vessels in the retina. Therefore, for those seeking eye nutrients while maintaining overall health, eating whole carrots is often the more suitable choice.
Carrot juice still offers distinct advantages
Although not the best choice, carrot juice remains a convenient way to supplement beta-carotene, vitamin C, and potassium, especially for individuals who dislike vegetables or have difficulty chewing.
To limit sugar intake, experts recommend against adding sugar when juicing and advise moderate consumption. Combining juice with a fat source, such as nuts or avocado, can also help the body absorb beta-carotene more effectively, as it is a fat-soluble vitamin.
Eating carrots alone is insufficient for eye protection
Healthline notes that consuming many carrots does not improve vision in individuals not deficient in vitamin A. The food's benefits primarily stem from providing nutrients essential for maintaining normal eye function.
A varied diet, rich in leafy greens, fruits, fatty fish, nuts, and whole grains, provides additional nutrients like lutein, zeaxanthin, omega-3, vitamin C, and vitamin E. These components also play a role in maintaining vision.
Beyond diet, regular eye exams, good control of blood sugar and blood pressure, not smoking, wearing UV-blocking glasses, and resting eyes also help protect vision.
Bao Bao (compiled)
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