
Vitamin A: What It Is and How Much You Need - Cleveland Clinic …
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.
Vitamin A - Wikipedia
Vitamin A is a fat-soluble vitamin that is an essential nutrient. The term "vitamin A" encompasses a group of chemically related organic compounds that includes retinol, retinyl esters, and several provitamin (precursor) carotenoids, most notably β-carotene (beta-carotene).
Vitamin A - Mayo Clinic
Vitamin A (retinol, retinoic acid) is a nutrient important to vision, growth, cell division, reproduction and immunity. Vitamin A also has antioxidant properties.
VITAMIN A - Uses, Side Effects, and More - WebMD
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...
20 Foods That Are High in Vitamin A - Healthline
Apr 1, 2024 · Vitamin A is a critical fat-soluble vitamin that helps maintain vision, body growth, immune function, and reproductive health. Eating enough foods containing vitamin A can help prevent...
Vitamin A: Benefits, Deficiency, Toxicity, and More - Healthline
Apr 24, 2023 · Vitamin A is an important fat-soluble vitamin that supports your immune system, vision, reproductive health, and fetal growth.
Vitamin A and Carotenoids - Health Professional Fact Sheet
Vitamin A overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
Vitamin A and Carotenoids - Consumer - Office of Dietary …
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 helps your heart, lungs, and other organs work properly. Carotenoids are pigments that give yellow, orange, and red fruits and vegetables their color.
Vitamin A - The Nutrition Source
The two main forms of vitamin A in the human diet are preformed vitamin A (retinol, retinyl esters), and provitamin A carotenoids such as alpha-carotene and beta-carotene that are converted to retinol.
6 Health Benefits of Vitamin A, Backed by Science
May 7, 2023 · From your vision to your immune system, vitamin A is vital for many important processes in your body. Here are 6 impressive health benefits of vitamin A.