What are the main benefits of vitamin A according to Yasi Ansari?

Yasi Ansari highlights that vitamin A is crucial for eyesight, immune function, reproductive health, and guiding cell growth and development.

Which foods are best sources of vitamin A, as noted by Dr. Uma Naidoo?

Dr. Naidoo mentions dark leafy greens like kale and spinach as important sources of vitamin A.

Can I get too much vitamin A, as warned by Daryl Austin?

Yes, Daryl Austin notes that excessive vitamin A intake, especially from supplements or liver, can lead to toxicity affecting bone, liver, and vision health.

Home / Health / Vitamin A: More Than Just Eye Health

Vitamin A: More Than Just Eye Health

7 Dec

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Summary

Vitamin A supports vision, immune function, and cell growth.
Found in animal sources (retinol) and plants (carotenoids).
Deficiency is uncommon but can affect those with absorption issues.

Vitamin A is an essential fat-soluble nutrient vital for numerous bodily functions beyond its well-known role in maintaining healthy vision. It actively supports immune system strength, reproductive health, and guides cell growth and development throughout the body.

This essential vitamin exists in two primary forms: preformed vitamin A (retinol) found in animal products like liver, eggs, and fatty fish, and provitamin A carotenoids, such as beta-carotene, abundant in colorful plant-based foods like carrots, spinach, and sweet potatoes. For optimal absorption, carotenoids are best consumed with dietary fats.

While vitamin A deficiency is uncommon in the United States, it can occur in individuals with malabsorption disorders or restrictive diets. Both deficiency and excessive intake, particularly from supplements or frequent liver consumption, can pose health risks, underscoring the importance of balanced dietary intake.

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