Vitamin A

Vitamin A is an important fat-soluble vitamin that supports various aspects of health, including immune function, vision, and reproductive health. It exists in different forms in food, with preformed vitamin A found in animal products and provitamin A carotenoids abundant in plant foods.

One of the well-known roles of vitamin A is in vision, where it contributes to color and low-light vision. It also helps maintain eye health and supports the health of surface tissues like the skin, intestines, and lungs. Additionally, vitamin A plays a role in supporting the immune system by promoting the growth of certain white blood cells that protect the body from infections.

Vitamin A offers various health benefits, such as being an antioxidant through certain carotenoids, protecting the body from oxidative stress. Diets rich in carotenoids are associated with a lower risk of certain chronic conditions. Adequate vitamin A intake is also important for eye health and may reduce the risk of certain eye diseases.

Moreover, vitamin A may have protective effects against certain cancers, but further research is needed to understand this relationship fully. It is also essential for fertility and fetal development during pregnancy.

Maintaining adequate vitamin A levels is crucial for overall health and immune system function. However, excessive intake of vitamin A can be harmful, so it's essential to consume it in appropriate amounts.