Nov 9, 2022 · Vitamin A strengthens your immune system by supporting white blood cells and the mucus membranes in your lungs, intestines and urinary tract. This helps you ward off infection and toxins (also called free radicals) that cause inflammation and disease.

Apr 24, 2023 · Vitamin A is essential for your health. It supports cell growth, immune function, fetal development, and vision. Perhaps one of the best-known functions of vitamin A is its role in vision...

Vitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A also has antioxidant properties.

Retinol (depicted) and retinal play a biological role in vision, but most of the effects of vitamin A are exerted by retinoic acid, which binds to nuclear receptors and regulates gene transcription. Vitamin A is a fat-soluble vitamin that is an essential nutrient.

Vitamin A is a fat -soluble vitamin. Its different forms are often called "retinoids." They include retinol, retinal, retinoic acid, and retinyl ester. Vitamin A is needed for the proper...

Vitamin A also stimulates the production and activity of white blood cells, takes part in remodeling bone, helps maintain healthy endothelial cells (those lining the body’s interior surfaces), and regulates cell growth and division such as needed for reproduction.

Jul 10, 2023 · Vitamin A is a general term encompassing various fat-soluble substances such as retinol, retinyl palmitate, and beta-carotene. Its various metabolites are essential for vision, cellular differentiation, epithelial barrier function, and immune function. Vitamin A is obtained through the diet in two forms.

Vitamin A is involved in immune function, cellular communication, growth and development, and male and female reproduction . Vitamin A supports cell growth and differentiation, playing a critical role in the normal formation and maintenance of the heart, lungs, eyes, and other organs [1,2]. ...

Vitamin A, also known as retinol, has several important functions. These include: Good sources of vitamin A (retinol) include: You can also get vitamin A by including good sources of beta-carotene in your diet, as the body can convert this into retinol. The main food sources of beta-carotene are: How much vitamin A do I need?

This is a general overview. For more in-depth information, see our health professional fact sheet.. What are vitamin A and carotenoids and what do they do? Vitamin A is a fat-soluble vitamin that is naturally present in many foods. Vitamin A is important for normal vision, the immune system, reproduction, and growth and development.Vitamin A also …