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: What It Is and How Much You Need - Cleveland Clinic …
2022年11月9日 · Vitamin A is a critical vitamin that helps your body develop and function properly. There are two types of vitamin A, which come from different sources: Carotenoids (provitamin A) are found in plant-based foods, such as carrots and sweet potatoes, fortified foods (where vitamins are added) and supplements.
Vitamin A - Wikipedia
Vitamin A is a fat-soluble vitamin that is an essential nutrient.
Vitamin A: Benefits, Deficiency, Toxicity, and More - Healthline
2023年4月24日 · Vitamin A is an important fat-soluble vitamin that supports your immune system, vision, reproductive health, and fetal growth. Even though it’s essential to get enough, taking too much can be...
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 - The Nutrition Source
Vitamin A is currently listed on the Nutrition Facts label measured in international units (IU). However, the Institute of Medicine lists the Recommended Dietary Allowances (RDA) of vitamin A in micrograms (mcg) of retinol activity equivalents (RAE) to account for different absorption rates of preformed vitamin A and provitamin A carotenoids.
Why does the body need vitamin A? Vitamin A helps: *To maintain vision in dim light *To keep skin smooth and healthy *To help you grow. What foods are good sources of vitamin A? Many orange and dark green vegetables and fruits contain carotenes, natural coloring substances, or pigments. The body can change these pigments into vitamin A.
Vitamin A - StatPearls - NCBI Bookshelf - National Center for ...
2023年7月10日 · 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.
6 Health Benefits of Vitamin A, Backed by Science
2023年5月7日 · Vitamin A is essential for many processes in your body, including maintaining healthy vision, ensuring the normal function of your organs and immune system, and aiding the proper development of...
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