Vitamin A strengthens immunity against infections, helps vision in dim light and keeps skin and the linings of some parts of the body, such as the nose, healthy.
Source: NHS Choices
- Vitamin chart @ TeensHealth
Excerpt: Vitamin A prevents eye problems, promotes a healthy immune system, is essential for the growth and development of cells, and keeps skin healthy.
- Vitamins & minerals health centre – Vitamin A (retinoid) @ WebMD
Excerpt: Vitamin A is also known as retinol. The NHS says it has several important functions from strengthening immunity against infections to helping vision in dim light as well as maintaining cell growth in some parts of the body. There are two types of Vitamin A. This article is primarily about the active form of vitamin A — retinoids — which come from animal products. Beta-carotene is among the second type of vitamin A – carotenoids – which come from plants.
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