Selenium does not seem to affect the risk of colorectal or lung cancer. The trace mineral is beneficial for improving your immunity and as it is an essential mineral, it has to be obtained through foods. However, research in this area is conflicting, and larger studies are needed to fully understand selenium’s role in the development and treatment of asthma (32). This article outlines 7 health benefits of selenium, all backed by science. The safe upper limit for selenium is 400 micrograms a day in adults. Selenium has attracted attention because of its antioxidant properties. Most of the selenium entering the body leaves within 24 hours (27). It’s important to note that this effect was only associated with selenium obtained through foods, not supplements. Longe, J., ed. May reduce your risk of certain cancers, 10 Signs and Symptoms of Iodine Deficiency, 7 Nutrient Deficiencies That Are Incredibly Common, The Dark Side of Iron - Why Too Much is Harmful, 10 Magnesium-Rich Foods That Are Super Healthy. This is a detailed review of the harmful effects of too much iron. This article takes a close look at the old proverb and…. Selenium is an essential trace mineral for humans, meaning we should all be getting enough from our diets every day through the consumption of selenium foods.. What is selenium good for in the body? Selenium is important for the proper functioning of your thyroid gland. Doctors sometimes suggest that people with these conditions use selenium supplements. Selenium is a trace mineral that is essential to good health in small amounts. Research suggests that people who have asthma have lower blood levels of selenium. There are a lot of Selenium benefits among which there are the two main ones: By creating test scenarios of Selenium that reproduce user actions, you test the application from the perspective of the end-user. Selenium deficiency leads to muscular weakness and fatigue. One review concluded that taking selenium supplements daily for three months resulted in lower thyroid antibodies. However, things like smoking, alcohol use, and stress can cause an excess of free radicals. However, some research suggests that supplementing with selenium may reduce side effects in people undergoing radiation therapy. A healthy thyroid gland is important, as it regulates your metabolism and controls growth and development (22). Foods including brazil nuts, meat products, fish, pasta, and rice have a high selenium content. Selenium, however, doesn’t allow for codeless testing. Healthline Media does not provide medical advice, diagnosis, or treatment. sevenseas March 25, 2008 In an analysis of 25 observational studies, a 50% increase in blood selenium levels was associated with a 24% reduction in the risk of heart disease (11). Additionally, it increased levels of glutathione peroxidase, a powerful antioxidant (12). Selenium is popular for its antioxidant properties that offer protection from free radical damage.That means it balances out free radicals in the body to thwart them from causing cellular damage. Selenium is crucial for maintaining a healthy immune system, hormonal balance, and metabolism. The recommended dietary allowance (RDA) includes the total amount of selenium you should get from foods and from any supplements you take. Something that makes it valuable is its role in antioxidant activity. Selenium and zinc can interfere with certain medications. Here are 7 incredibly common nutrient deficiencies. Natural Standard Patient Monograph: "Selenium." Some studiesprovide evidence that adequate selenium levels may reduce the risk of some cancers. Antioxidants are compounds in foods that prevent cell damage caused by free radicals. A tuna sandwich on whole-wheat bread is packed with selenium. Many companies, especially startups, tend to employ their best coders to write product features and engage less skilled people in automated tests. Selenium naturally appears in water and some foods. It also led to improvements in mood and general well-being in those with Hashimoto’s disease (24). Selenium supplements in particular are purported to help people with asthma, and reduce the risk of rheumatoid arthritis and cardiovascular disease. Many fresh and saltwater fish, like tuna, cod, red snapper, and herring. Antioxidants protect cells from damage. The main organic forms are selenomethionine, selenocysteine, and selenium-enriched yeast. Selenium supplementation may help divert the immune response away from the Th2-type and promote the Th1-type, which protects against asthma, allergic reactions, viral infections and cancer . While a single Brazil nut from one region provided up to 288% of the recommended intake, others provided only 11% (35). In fact, one study showed that asthmatic patients with higher levels of blood selenium had better lung function than those with lower levels (30). Most people get enough of this essential mineral from foods, and taking too much may lead to … What to look for in a good selenium supplement: As a supplement, selenium can come in several forms. Sadly, selenium deficiency is a growing problem, and estimates put the global number of selenium-deficient people at one billion (2, 3). Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts. This article reviews whether mayo is safe when…, Apples are highly nutritious, but you may wonder whether they can really keep the doctor away. Good for Th2-Dominant People. Selenium is a powerful mineral that is essential for the proper functioning of your body. Selenium is a trace mineral, which means our body cannot produce it but needs to depend on external sources to absorb Selenium. 2. Looking to add more selenium to your diet? 2. 27 sources. Selenium is also needed for healthy hair growth. asked Oct 7 in Selenium by dev_sk2311 (20k points) Could someone tell me what is Selenium good for? One small study found that supplementing with one selenium-rich Brazil nut per day improved verbal fluency and other mental functions in patients with mild cognitive impairment (18). Learn about 20 selenium-rich foods, from lean meats to fruits and vegetables. A single egg, for example, contains about 14 mcg of selenium, about half of what children need in a day. Oxidative stress has been linked to chronic conditions like heart disease, Alzheimer’s, and cancer, as well as premature aging and the risk of stroke (2, 3, 4, 5, 6). Selenium has been used in alternative medicine as an aid to treat Hashimoto's thyroiditis (an autoimmune disorder of the … Combs, G. The British Journal of Nutrition, 2001. Selenium levels drop with age, so some have claimed selenium can slow the aging process, cognitive decline and dementia. What is selenium good for in the body? What’s more, selenium may help boost your immune system, slow age-related mental decline, and even reduce your risk of heart disease. 1 view. Here are 10 signs and symptoms of…, Potassium is a mineral that's involved in muscle contractions, heart function and water balance. Therefore, it’s important to consume a varied diet that includes more than one good source of this important mineral. That’s because selenium is needed by the body to produce selenoproteins. However, the results have been inconclusive. Selenium deficiency has been associated with thyroid conditions like Hashimoto’s thyroiditis, a type of hypothyroidism in which the immune system attacks the thyroid gland. Magnesium is a very important nutrient that most people don't get enough of. Brazil nuts contain a very high amount of selenium. For example, a review of 16 controlled studies including over 433,000 people with heart disease showed that taking selenium supplements decreased levels of the inflammatory marker C-reactive protein (CRP). Is selenium good for skin and hair? Selenium is used for selenium deficiency, a disease that causes underactive thyroid (autoimmune thyroiditis), and high blood pressure during pregnancy. Evidence that selenium supplements may reduce the odds of prostate cancer has been mixed, but most studies suggest there is no real benefit. How Long Does Coronavirus Live On Surfaces? But some health conditions -- such as HIV, Crohn's disease, and others -- are associated with low selenium levels. SOURCES: People who are fed intravenously are also at risk for low selenium. Anything above that is considered an overdose. A diet rich in selenium may help keep your heart healthy, as low selenium levels have been linked to an increased risk of heart disease. Iron is an essential mineral, but ingesting too much can cause severe harm. 0 votes . Selenium is a major nutrient that helps the body fight diseases. It may boost thyroid health. In fact, consuming high doses of selenium can be toxic and even fatal. Selenium is a naturally occurring mineral found in the soil and is vital in strengthening the body’s immune system. There is also some evidencethat a higher selenium status has been linked to enhanced immune competence, male infertility, mood disorders and cardiovascular disease, however more studies are needed in these areas. Oxidative stress and inflammation have been linked to atherosclerosis, or the buildup of plaque in arteries. Three oz. But beware: some studies suggest that selenium may increase the risk of non-melanoma skin cancer. These are vital substances with incredible properties, including glutathione – the body's most important antioxidant that protects cells from damage. Selenium plays a role in iodine metabolism and thyroid function, protects against oxidative stress and aids the immune system. More studies are needed to evaluate the immune-stimulating properties of selenium. selenium; 1 Answer +1 vote . Selenium is said to slow the progression of HIV and counteract the poisonous effect of heavy metals. What is Selenium good for? Additionally, some studies have shown that selenium supplements may benefit people with Hashimoto’s disease. This micronutrient can be found in a wide variety of foods, from oysters to mushrooms to Brazil nuts. 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