Selenium is a trace mineral, which means our body cannot produce it but needs to depend on external sources to absorb Selenium. These are vital substances with incredible properties, including glutathione – the body's most important antioxidant that protects cells from damage. It contains antioxidants that not just treat inflammation, but fight free radicals as well. Selenium is important for the proper functioning of your thyroid gland. Selenium is also important for healthy hair … Selenium is a crucial nutrient for everyone's health. 1 view. Testing done using the Selenium tool is … What is Selenium good for? Selenium is not produced in the body, but it is needed for proper thyroid and immune system function. Many companies, especially startups, tend to employ their best coders to write product features and engage less skilled people in automated tests. More research is warranted, though. Antioxidants protect cells from damage. 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. Selenium is a mineral that's naturally found in some of the foods we eat. That’s because selenium is a fundamental component of various seleno-proteins, molecules essential to the body’s ability to create and use thyroid hormones. Several studies have shown that patients with Alzheimer’s disease have lower blood levels of selenium (15, 16). This antioxidant helps lower oxidative stress in your body, which reduces inflammation and enhances immunity. It has tons of benefits, since it is also an antioxidant and plays a role in keeping the metabolic functions of the body. Learn about 20 selenium-rich foods, from lean meats to fruits and vegetables. The following foods are great sources (33), (34): The amount of selenium in plant-based foods varies depending on the selenium content of the soil in which they were grown. Selenium is a mineral found in the soil. Healthline Media does not provide medical advice, diagnosis, or treatment. Nutrient deficiencies may occur with almost every nutrient, but some are more likely than others. It assist the reproductive system, detoxify your body, contribute to good … Something that makes it valuable is its role in antioxidant activity. Good natural food sources of selenium include: Whole foods are the best sources of selenium. This article explains how much potassium you need per…. In fact, consuming high doses of selenium can be toxic and even fatal. Additionally, it increased levels of glutathione peroxidase, a powerful antioxidant (12). More studies are needed to evaluate the immune-stimulating properties of selenium. How Long Does Coronavirus Live On Surfaces? Selenium is used to treat or prevent selenium deficiency. Most of the selenium entering the body leaves within 24 hours (27). sevenseas March 25, 2008 This article reviews whether mayo is safe when…, Apples are highly nutritious, but you may wonder whether they can really keep the doctor away. Foods including brazil nuts, meat products, fish, pasta, and rice have a high selenium content. Although selenium is necessary for good health, getting too much can be dangerous. Doctors sometimes suggest that people with these conditions use selenium supplements. It’s important to note that free radicals can be created by natural processes within your body and external factors like pollution. Selenium plays an important role in the health of your immune system. Selenium is a powerful mineral that is essential for the proper functioning of your body. It may boost thyroid health. The mineral is naturally found in water and several foods and is required for longevity and [1] optimal health. Sadly, selenium deficiency is a growing problem, and estimates put the global number of selenium-deficient people at one billion (2, 3). Asthma has been associated with increased levels of oxidative stress and inflammation in the body (29). Antioxidants are compounds in foods that prevent cell damage caused by free radicals. selenium; 1 Answer +1 vote . All rights reserved. Our website services, content, and products are for informational purposes only. However, toxicity is more likely to happen from taking supplements rather than eating selenium-containing foods. 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 levels drop with age, so some have claimed selenium can slow the aging process, cognitive decline and dementia. In severe cases, acute selenium toxicity can lead to serious intestinal and neurological symptoms, heart attack, kidney failure, and death (37). Consuming too many could lead to selenium toxicity. On the other hand, deficiency has been shown to harm immune cell function and may lead to a slower immune response (25). However, some research suggests that supplementing with selenium may reduce side effects in people undergoing radiation therapy. Rayman, M. Lancet, 2000. For example, one study found that giving people with asthma 200 mcg of selenium per day reduced their use of the corticosteroid medications used to control their symptoms (31). Selenium has been used in alternative medicine as an aid to treat Hashimoto's thyroiditis (an autoimmune disorder of the … Here are 7 incredibly common nutrient deficiencies. As a component of antioxidant enzymes, particularly glutathione reductase, it’s key for repairing tissues throughout the body. Selenium plays a role in iodine metabolism and thyroid function, protects against oxidative stress and aids the immune system. In fact, thyroid tissue contains a higher amount of selenium than any other organ in the human body (21). While a single Brazil nut from one region provided up to 288% of the recommended intake, others provided only 11% (35). Because it both increases antioxidant capabilitie… 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. A review of 69 studies that included over 350,000 people found that having a high blood level of selenium was associated with a lower risk of certain types of cancer, including breast, lung, colon, and prostate cancers (9). Fortunately, many healthy foods are high in selenium. How long does selenium stay in the body? Adding more selenium-rich foods to your diet is an excellent way to maintain good health. Selenium, however, doesn’t allow for codeless testing. Your body requires many minerals to function properly. Selenium is an important mineral for many of your body's functions. Office of Dietary Supplements: "Selenium." When prepared in chemical reactions, selenium is usually an amorphous, brick-red powder.When rapidly melted, it forms the black, vitreous form, usually sold commercially as beads. Brazil nuts contain a very high amount of selenium. These include bacteria, viruses, and parasites. You need a good grasp of one of the programming languages which narrows down the pool of people that can be engaged in the testing process. The number of people with Alzheimer’s disease is growing. Alzheimer’s disease is a devastating condition that causes memory loss and negatively affects thinking and behavior. This powerful mineral helps protect the thyroid against oxidative damage and plays an essential role in the production of thyroid hormones. There are even small amounts in the water you drink. Oxidative stress and inflammation have been linked to atherosclerosis, or the buildup of plaque in arteries. © 2005 - 2019 WebMD LLC. Selenium does not seem to affect the risk of colorectal or lung cancer. of tuna contains about 63 mcg of selenium, and each slice of wheat bread contains about 10 mcg. 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). A single egg, for example, contains about 14 mcg of selenium, about half of what children need in a day. Most people would have heard of Selenium as a mineral found in the soil, but few may know that it is one of the essential minerals that our body needs as well. Most people get enough of this essential mineral from foods, and taking too much may lead to … Selenium forms several allotropes that interconvert with temperature changes, depending somewhat on the rate of temperature change. This indicates that selenium may help lower heart disease risk by reducing inflammation and oxidative stress in your body. Discuss new supplements with your doctor to … Looking to add more selenium to your diet? Oxidative stress is believed to be involved in both the onset and progression of neurological diseases like Parkinson’s, multiple sclerosis, and Alzheimer’s (14). It’s the sixth-leading cause of death in the United States. Selenium is crucial for maintaining a healthy immune system, hormonal balance, and metabolism. In addition to decreasing oxidative stress, selenium may help lower the risk of certain cancers. The University of Maryland Medical Center website warns that an overdose of selenium can be toxic, and too much zinc may actually harm your immune system instead of help it. They often get a bad rap, but free radicals are essential for your health. 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? The safe upper limit for selenium is 400 micrograms a day in adults. Free radicals are normal byproducts of processes like metabolism that are formed in your body daily. One review concluded that taking selenium supplements daily for three months resulted in lower thyroid antibodies. 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. Antioxidants like selenium help reduce oxidative stress by keeping free radical numbers in check (7). 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 . What’s more, the Mediterranean diet, which is rich in high-selenium foods like seafood and nuts, has been associated with a lower risk of developing Alzheimer’s disease (19, 20). For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. Iron is an essential mineral, but ingesting too much can cause severe harm. However, the results have been inconclusive. Due to selenium’s ability to reduce inflammation, some studies suggest that this mineral may help reduce asthma-related symptoms. 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). Selenium is a trace mineral that is essential to good health in small amounts. Selenium is crucial for maintaining a healthy immune … Anything above that is considered an overdose. Most people can get their RDA of selenium from food. It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. It also led to improvements in mood and general well-being in those with Hashimoto’s disease (24). The two inorganic forms of selenium are sodium selenite and sodium selenate. 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). Good for Th2-Dominant People. asked Oct 7 in Selenium by dev_sk2311 (20k points) Could someone tell me what is Selenium good for? 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. This is a detailed review of the harmful effects of too much iron. This has been attributed to selenium’s ability to reduce DNA damage and oxidative stress, boost your immune system, and destroy cancer cells (8). An observational study including over 6,000 people found that low serum levels of selenium were associated with an increased risk of autoimmune thyroiditis and hypothyroidism (23). It's essential to thyroid hormone metabolism, reproduction, DNA synthesis, and it protects you from infection and damage resulting from oxidative stress. They perform important functions, including protecting your body from disease. Selenium is a trace mineral that is found naturally in the soil and also appears in certain foods. Additionally, some studies have shown that selenium supplements may benefit people with Hashimoto’s disease. A healthy thyroid gland is important, as it regulates your metabolism and controls growth and development (22). 0 votes . Among healthy people in the U.S., selenium deficiencies are uncommon. In some studies to determine if selenium could aid in prostate cancer prevention, men took 100 micrograms daily. Summary Selenium is a powerful antioxidant that fights oxidative stress and helps defend your body from chronic conditions, such as heart disease and cancer. Three oz. Selenium is said to slow the progression of HIV and counteract the poisonous effect of heavy metals. Schrauzer, G. Journal of Nutrition and Metabolism, 2000. The Gale Encyclopedia of Alternative Medicine, second edition, 2004. Selenium is used for selenium deficiency, a disease that causes underactive thyroid (autoimmune thyroiditis), and high blood pressure during pregnancy. A tuna sandwich on whole-wheat bread is packed with selenium. Selenium naturally appears in water and some foods. Running tests in different browsers will make it easier to determine the Internet browser incompatibility. WebMD Health News: "Selenium Supplements: Diabetes Risk?" This article outlines 7 health benefits of selenium, all backed by science. Additionally, it helps support healthy function of several organs. While people only need a very small amount, selenium plays a key role in the metabolism. The recommended dietary allowance (RDA) includes the total amount of selenium you should get from foods and from any supplements you take. While selenium toxicity is rare, it’s important to stay close to the recommended amount of 55 mcg per day and never exceed the tolerable upper limit of 400 mcg per day (36). Selenium supplements in particular are purported to help people with asthma, and reduce the risk of rheumatoid arthritis and cardiovascular disease. Selenium is an essential mineral, meaning it must be obtained through your diet. What’s more, selenium may help boost your immune system, slow age-related mental decline, and even reduce your risk of heart disease. 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). Incorporating selenium-rich foods into your diet is a great way to keep levels of oxidative stress and inflammation to a minimum. Additionally, selenium supplements may help strengthen the immune system in people with influenza, tuberculosis, and hepatitis C (27). Higher selenium intake or status (levels in the blood) have been demonstrated to … Selenium is a naturally occurring mineral found in the soil and is vital in strengthening the body’s immune system. The trace mineral is beneficial for improving your immunity and as it is an essential mineral, it has to be obtained through foods. Selenium health benefits includes supporting cardiovascular health, and relieving asthma symptoms. Low selenium levels are also implicated in depression, male infertility, weak immune systems and thyroid problems. 3. Selenium is an essential trace mineral that assists with cognitive function and fertility. Dandruff shampoo… Thus, finding ways to prevent this degenerative disease is imperative. What is selenium good for? Magnesium is a very important nutrient that most people don't get enough of. A type of mineral found in the soil, selenium is a key mineral required for metabolism. But beware: some studies suggest that selenium may increase the risk of non-melanoma skin cancer. The main organic forms are selenomethionine, selenocysteine, and selenium-enriched yeast. The mineral does this by combining with different proteins in the body to form antioxidants that enhance good health. For example, one study found that oral selenium supplements improved overall quality of life and reduced radiation-induced diarrhea in women with cervical and uterine cancer (10). Some studiesprovide evidence that adequate selenium levels may reduce the risk of some cancers. 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