Vitamin A is vital for many important processes in your body. Good food sources of retinoid vitamin A include: Plant sources of vitamin A (from beta-carotene) include sweet potatoes, carrots, spinach, and apricots. This article lists 20 foods that are high in vitamin A. Acne is a chronic, inflammatory skin disorder. Some of the health benefits of Vitamin A includes preventing urinary stones, ensuring health… * There is no upper limit for vitamin A from beta-carotene. It’s found in animal products including meat, chicken, fish and dairy and includes the compounds retinol, retinal and retinoic acid. All rights reserved. It’s recommended that men get 900 mcg, women 700 mcg and children and adolescents 300–600 mcg of vitamin A per day (1). If consumed daily, vitamin A starts working as a shield against factors that cause age-related bones problems. Oral vitamin A is also used as a treatment for measles and dry eye in people with low levels of vitamin A. Vitamin A is also used for a specific type of leukemia. Know here the food sources of vitamin A, health benefits and much more about it. Vitamin A also helps the growth and functioning of tissues in organs like our lungs and heart. Slideshow: Surprising Things That Hurt Your Liver, Slideshow: 7 Missing Nutrients in Your Diet, Healthy Butternut Squash Plus a Risotto Recipe, The Antioxidant Power of Tomatoes and Broccoli, Womenâs Vitamin, Mineral Supplements, Food Sources, and More. Night blindness occurs in people with vitamin A deficiency, as the vitamin is a major component of the pigment rhodopsin. This would increase your risk of acne by making it more difficult for dead skin cells to be removed from hair follicles, leading to blockages. It keeps the mucous membranes moist to ensure better immunity and also enhances the activity of white blood cells. Symptoms can include nausea, dizziness, headaches, pain and even death. Vitamin A is essential for maintaining a healthy reproductive system in both men and women, as well as ensuring the normal growth and development of embryos during pregnancy. The Skin Benefits of Vitamin A You know the drill when it comes to caring for your skin: cleanse, tone, moisturize, apply sunscreen , and maybe try a few other treatments, like masks or anti-agers. This includes the mucous barriers in your eyes, lungs, gut and genitals which help trap bacteria and other infectious agents. Some of these can be converted to vitamin A in the body. RETINOIDS AND CAROTENE (vitamin A; includes retinol, retinal, retinyl esters, and retinoic acid and are also referred to as "preformed" vitamin A. Vitamin A is important to maintaining eye health and preventing vision loss in dim lighting. There are two types of vitamin A. Therefore, many health authorities recommended that women avoid foods that contain concentrated amounts of vitamin A, such as pâté and liver, as well as supplements containing vitamin A during pregnancy. Retinoic acid, a derivative of vitamin A, has been found to normalize blood sugar in mice with... Healthful skin and hair. It not only prevents germs from entering your body but also helps fight the infections once the germs gain entry into the body, thereby ensuring d… Learn which natural remedies…, The foods you eat play a big role in your overall health. Vitamin A is essential for preserving your eyesight. The Age-Related Eye Disease Study found that giving people over the age of 50 with some eyesight degeneration an antioxidant supplement (including beta-carotene) reduced their risk of developing advanced macular degeneration by 25% (6). Vitamin A also helps the heart, … The amount of vitamin A adults aged 19 to 64 need is: 700 µg a day for men; 600 µg a day for women; You should be able to get all the vitamin A you need from your diet. Antioxidants are substances that might protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation. Retinol, a vitamin A … However, a recent Cochrane review found that beta-carotene supplements alone won’t prevent or delay the decline in eyesight caused by AMD (7). Retinol is an over-the-counter formulation of vitamin A that is applied topically to the skin to reduce the effects of aging and acne. © 2005-2020 Healthline Media a Red Ventures Company. Eating the recommended amount of vitamin A may help protect your bones and reduce your risk of fractures, though the connection between this vitamin and bone health is not fully understood. It has been suggested that vitamin A deficiency may increase your risk of developing acne, as it causes an overproduction of the protein keratin in your hair follicles (26, 27). Here are 8 signs and symptoms of vitamin A…. This entry is primarily about the active form of vitamin A -- retinoids -- that comes from animal products. The key nutrients needed for maintaining healthy bones as you age are protein, calcium and vitamin D. However, eating enough vitamin A is also necessary for proper bone growth and development, and a deficiency in this vitamin has been linked to poor bone health. Tolerable Upper Intake Levels (UL) of Retinol* in micrograms (mcg) of Retinol Activity Equivalents (RAE), 600 mcg/day Higher doses might be used to treat vitamin A deficiencies. How Long Does Coronavirus Live On Surfaces? Achieving the right levels however is always the tricky part because based on our modern lifestyles and our exposure to sunlight and other environmental factors, our vitamin … Vitamin A also has antioxidant properties. Learn about vitamins D, C, E. There are four fat-soluble vitamins in the human diet: A, D, E and K. This guide examines their health benefits, functions and main dietary sources. Here is a summary of the main functions (and … In fact, in some studies, smokers taking beta-carotene supplements experienced an increased risk of lung cancer (17, 18, 19). Rat studies examining the importance of vitamin A in male reproduction have shown that a deficiency blocks the development of sperm cells, causing infertility (33, 34). Learn how to get the vitamins you need — including vitamins A, B, C, D, E, and K — in your…. Vitamin A has many varied functions. Likewise, animal studies have suggested that vitamin A deficiency in females can impact reproduction by reducing egg quality and affecting egg implantation in the womb (33). Benefits Lowering cancer risk. However, a doctor might suggest vitamin A supplements to people who have vitamin A deficiencies. Vitamin A Benefits 1. Rhodopsin is found in the retina of your eye and extremely sensitive to light. Vitamin A is key for good vision, a healthy immune system, and cell growth. Though its exact cause is unknown, it’s thought to be the result of cellular damage to the retina, attributable to oxidative stress (5). Adequate levels of vitamin A help to keep your skin healthy and away from any skin diseases. Due to high volume with shipping carriers, orders … Vitamin A is key for good vision, a healthy immune system, and cell growth. But vitamin D offers a range of other benefits too, ranging from positives for both physical and mental health. Vitamin A is possibly effective in … The nutrient also helps regenerate skin tissue, aiding repair … The exact role of vitamin A in the prevention and treatment of acne is unclear. People most likely to have vitamin A deficiency are those with diseases (such as digestive disorders) or very poor diets. In observational studies, eating higher amounts of vitamin A in the form of beta-carotene has been linked to a decreased risk of certain types of cancer, including Hodgkin’s lymphoma, as well as cervical, lung and bladder cancer (10, 11, 12, 13). The best way to ensure you get the balance right is to consume vitamin-A-rich foods as part of your normal diet and avoid supplementing with excessive amounts. Additionally, eating a lot of provitamin A in its plant form doesn’t carry the same risks, as its conversion to the active form in your body is regulated (37). 6 Health Benefits of Vitamin A, Backed by Science 1. (or 2,000 International Units/day). As vitamin A plays an important role in the growth and development of your cells, its influence on cancer risk and role in cancer prevention is of interest to scientists (8, 9). The total vitamin A content of a food is usually expressed as micrograms (µg) of retinol equivalents (RE). Yet, though high intakes of vitamin A from plant foods have been associated with a reduced risk of cancer, animal foods which contain active forms of vitamin A aren’t linked in the same way (14, 15). Because it's fat-soluble, it is important to not overdo the amount of vitamin A you ingest, as excess vitamin A stockpiles in the body and can interfere with vitamin D and bone health (especially the retinol form of vitamin … The exact role that vitamin A plays in the development and treatment of acne remains unclear (25). Vitamin A protects vision, supports your immune system, acts as an antioxidant and promotes growth and reproduction. Isotretinoin is one example of an oral retinoid that is effective in treating severe acne. WebMD does not provide medical advice, diagnosis or treatment. Hypervitaminosis A, or vitamin A toxicity, occurs when you have too much vitamin A in your body. May Lower … Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts. The vitamin is needed to convert light that hits your eye into an electrical signal that can be sent to your brain. Sign Up to Receive Our Free Coroanvirus Newsletter. This means that excess consumption can lead to toxic levels. Vitamin A or Retinol is useful in treating eye disorders, acne, skin disorders, and infections, as well as speeding up the healing … Supports Immunity. Many foods deliver the health benefits of vitamin A, such as sweet … While vitamin A deficiency is rare in developed countries, certain people may be at a higher risk. Retinol not only creates the pigments in the retina of the eye, according to NLM, but also is integral for good vision, especially night vision, and overall eye health. The Gale Encyclopedia of Alternative Medicine, second edition, 2004. Excessive consumption of provitamin A from plant foods is unlikely. Still, current evidence suggests that getting adequate vitamin A, especially from plants, is important for healthy cell division and may reduce your risk of some types of cancer (20). People with this condition can still see normally during the day, but have reduced vision in darkness as their eyes struggle to pick up light at lower levels. Vitamin A is important for normal vision, the immune system, and reproduction. Protects Your Eyes From Night Blindness and Age-Related Decline. The Institute of Medicine recommends that men get 900 micrograms of vitamin A, 90 milligrams of vitamin C and 9.4 milligrams of zinc each day, while women need 700 micrograms of vitamin A, 75 milligrams of vitamin … These spots occur when the sebaceous glands get clogged up with dead skin and oils. Functions and Benefits of Vitamin A Vitamin A has many different roles within the body, and it plays a key role in vision and healthy growth. Any vitamin … Vitamin A is used to treat vitamin A deficiency . Adequate vitamin A intake from whole plant foods may reduce your risk of certain cancers, including Hodgkin’s lymphoma, as well as cervical, lung and bladder cancer. Vitamin A is a fat-soluble vitamin that is naturally present in many foods. Beta-carotene is among the second type of vitamin A, which comes from plants. Eating high amounts of the active form of vitamin A from animal foods, medications or supplements can be toxic. It’s also involved in the production and function of white blood cells, which help capture and clear bacteria and other pathogens from your bloodstream. The American Heart Association recommends obtaining antioxidants, including beta-carotene, by eating a well-balanced diet high in fruits, vegetables, and whole grains rather than from supplements until more is known about the risks and benefits of supplementation. 8 Signs and Symptoms of Vitamin A Deficiency, Debra Rose Wilson, Ph.D., MSN, R.N., IBCLC, AHN-BC, CHT, Supplements During Pregnancy: What’s Safe and What’s Not, Nutrition: Great Foods for Getting Vitamins A to K in Your Diet. For example, beta-carotene is converted to retinol (an active form of vitamin A) in your small intestine (2). This means that a deficiency in vitamin A can increase your susceptibility to infections and delay your recovery when you get sick (21, 22). Vitamin A Benefits, Deficiency and … It may also lower the risk of certain diseases. -The body converts all dietary vitamin A … Click on any of the vitamins below to find out more about its health benefits. In addition to preventing night blindness, eating adequate amounts of beta-carotene may help slow the decline in eyesight that some people experience as they age (4). © 2005 - 2019 WebMD LLC. Health Benefits Potent Antioxidant. In pregnant women, vitamin A is also involved in the growth and development of many major organs and structures of the unborn child, including the skeleton, nervous system, heart, kidneys, eyes, lungs and pancreas. Vitamin A is the generic term for a group of fat-soluble compounds highly important for human health. In fact, one of the first symptoms of vitamin A deficiency can be night blindness, known as nyctalopia (3). This is a fat-soluble vitamin that plays an essential role in eye and immune health. Vitamin A supplementation alone, or in combination with other antioxidants, is associated with an increased risk of mortality from all causes, according to an analysis of multiple studies. Longe, J., ed. Carotenoids are a group of yellow or orange chemicals found in plants. Benefits And Sources. Find the best food sources and all the health benefits of vitamin A. Bjelakovic, G. Journal of the American Medical Association, 2007. Additionally, a recent meta-analysis of observational studies found that people with the highest amounts of total vitamin A in their diet had a 6% decreased risk of fractures (30). Cancer occurs when abnormal cells begin to grow or divide in an uncontrolled way. (or 1,000 International Units/day), 14-18 years:
Vitamin A encompasses a group of unsaturated nutritional organic compounds critical for maintaining overall health. As mentioned above, vitamin … Both too little and too much vitamin A could have negative effects on your health. In fact, in countries where infections like measles and malaria are common, correcting vitamin A deficiency in children has been shown to decrease the risk of dying from these diseases (23). Vitamin A is a fat-soluble vitamin, which is stored in your body. As it moves through your body it scavenges damaging free radicals and fights inflammation. They’re essential for many processes in your body, including maintaining healthy vision, ensuring the normal function of your immune system and organs and aiding the proper growth and development of babies in the womb. At the moment, the relationship between vitamin A levels in your body and cancer risk is still not fully understood. Eating adequate amounts of vitamin A prevents the development of night blindness and may help slow the age-related decline of your eyesight. Vitamin A. Vitamin A is a fat-soluble vitamin that is essential for health: we get carotenoids and beta carotene from plants, and retinol from meat. Repairing tissue is one of the important vitamin A benefits… Vitamin A compounds are found in both animal and plant foods and come in two different forms: preformed vitamin A and provitamin A. Preformed vitamin A is known as the active form of the vitamin, which your body can use just as it is. Adequate amounts of vitamin A in the diet are essential for reproductive health and the healthy development of babies during pregnancy. Vitamin A promotes skin healing by stimulating the immune system and acting as an antioxidant to prevent skin cell damage. Essential for Eye Health and Prevents Macular Degeneration. Acne surfaces during times of hormonal imbalance. Vitamin A is essential for the immune system and many bodily functions. There are two types of vitamin A. Getting enough vitamin A an easily be obtained through a healthy diet. Learn about vitamin A palmitate, how it compares to vitamin A, and its potential health benefits. Vitamin A enhances the bodys immunity against infections by increasing the lymphocytic responses against disease-causing antigens. You may have heard that vitamin A is essential for your eyesight; but did you know it is equally important for other organs as well? Image Credit: Getty. Vitamin A is most commonly used for treating vitamin A deficiency. Vitamin A plays a vital role in maintaining your body’s natural defenses. Treating type 2 diabetes. Vitamin A is a powerful antioxidant. Though it can be caused by excessive intake from the diet, this is rare compared to overconsumption from supplements and medications. Beta carotene can easily be converted to vitamin … -The vitamin A RDA is given as mcg of retinol activity equivalents (RAE) to account for the different bioactivities of retinol and provitamin A carotenoids. Can you get vitamin A naturally from foods? Though the spots are physically harmless, acne may have a serious effect on people’s mental health and lead to low self-esteem, anxiety and depression (24). Vitamin A plays an … Vitamin A has been studied as a treatment for many other conditions, including cancers, cataracts, and HIV. People with this condition develop painful spots and blackheads, most commonly on the face, back and chest. Protects Eye Health. Yet, low levels of vitamin A may not be the only problem when it comes to bone health. Provitamin A carotenoids — alpha-carotene, beta-carotene and beta-cryptoxanthin — are the inactive form of the vitamin found in plants. Topical and oral retinoids are common prescription treatments for acne and other skin conditions, including wrinkles. Bear in mind that vitamin A status alone does not determine your risk of fractures, and the impact of the availability of other key nutrients, like vitamin D, also plays a role (32). Having enough vitamin A in your diet helps keep your immune system healthy and function at its best. Vitamin A is an antioxidant, it helps in repairing the tissues and maintain glow on your skin. Yet, vitamin-A-based medications are often used to treat severe acne. Vitamin A is a phenomenal molecule that is known to deliver a number of incredible benefits to skin when it is at the right levels.