Learn how mineral deficiency occurs and how it’s treated. For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. Doctors sometimes suggest that people with these conditions use selenium supplements. While a single Brazil nut from one region provided up to 288% of the recommended intake, others provided only 11% (35). The number of people with Alzheimer’s disease is growing. Selenium is not produced in the body, but it is needed for proper thyroid and immune system function. WebMD Health News: "Selenium Supplements: Diabetes Risk?" 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). There are even small amounts in the water you drink. Selenium has also been studied for the treatment of dozens of conditions. 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). Learn about 20 selenium-rich foods, from lean meats to fruits and vegetables. They often get a bad rap, but free radicals are essential for your health. Selenium content of food is largely dependent on location and soil conditions, which vary widely. It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. © 2005-2020 Healthline Media a Red Ventures Company. Good natural food sources of selenium include: Whole foods are the best sources of selenium. 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. Selenium plays a role in iodine metabolism and thyroid function, protects against oxidative stress and aids the immune system. They range from asthma to arthritis to dandruff to infertility. 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? Higher selenium intake or status (levels in the blood) have been demonstrated to … However, toxicity is more likely to happen from taking supplements rather than eating selenium-containing foods. Selenium naturally appears in water and some foods. A healthy thyroid gland is important, as it regulates your metabolism and controls growth and development (22). © 2005 - 2019 WebMD LLC. Thus, finding ways to prevent this degenerative disease is imperative. The Gale Encyclopedia of Alternative Medicine, second edition, 2004. Longe, J., ed. It’s important to note that free radicals can be created by natural processes within your body and external factors like pollution. What’s more, selenium may help boost your immune system, slow age-related mental decline, and even reduce your risk of heart disease. 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). 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 supplements in particular are purported to help people with asthma, and reduce the risk of rheumatoid arthritis and cardiovascular disease. Looking to add more selenium to your diet? They work by neutralizing excess free radicals and protecting cells from damage caused by oxidative stress. Additionally, selenium supplements may help strengthen the immune system in people with influenza, tuberculosis, and hepatitis C (27). Antioxidants like selenium help reduce oxidative stress by keeping free radical numbers in check (7). Selenium is a major nutrient that helps the body fight diseases. Iron is an essential mineral, but ingesting too much can cause severe harm. Here are 7 incredibly common nutrient deficiencies. This micronutrient can be found in a wide variety of foods, from oysters to mushrooms to Brazil nuts. They perform important functions, including protecting your body from disease. One review concluded that taking selenium supplements daily for three months resulted in lower thyroid antibodies. Something that makes it valuable is its role in antioxidant activity. A single egg, for example, contains about 14 mcg of selenium, about half of what children need in a day. Most people get enough of this essential mineral from foods, and taking too much may lead to … Additionally, it increased levels of glutathione peroxidase, a powerful antioxidant (12). Our website services, content, and products are for informational purposes only. Because it both increases antioxidant capabilitie… The trace mineral is beneficial for improving your immunity and as it is an essential mineral, it has to be obtained through foods. Therefore, it’s important to consume a varied diet that includes more than one good source of this important mineral. While people only need a very small amount, selenium plays a key role in the metabolism. Selenium has antioxidant properties and may help protect cells from damage. In severe cases, acute selenium toxicity can lead to serious intestinal and neurological symptoms, heart attack, kidney failure, and death (37). Selenium deficiency leads to muscular weakness and fatigue. 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. asked Oct 7 in Selenium by dev_sk2311 (20k points) Could someone tell me what is Selenium good for? Selenium is an essential trace mineral that assists with cognitive function and fertility. In fact, one study showed that asthmatic patients with higher levels of blood selenium had better lung function than those with lower levels (30). 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). Selenium helps your body metabolize thyroid hormones, which help regulate your metabolism, digestive function, and … The main organic forms are selenomethionine, selenocysteine, and selenium-enriched yeast. Your immune system keeps your body healthy by identifying and fighting off potential threats. 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. 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. That’s because selenium is needed by the body to produce selenoproteins. Consuming too many could lead to selenium toxicity. Thus, selenium concentrations in crops depend largely on where they are farmed. Selenium is crucial for maintaining a healthy immune system, hormonal balance, and metabolism. This powerful mineral helps protect the thyroid against oxidative damage and plays an essential role in the production of thyroid hormones. Selenium is used to treat or prevent selenium deficiency. Three oz. Selenium, however, doesn’t allow for codeless testing. However, things like smoking, alcohol use, and stress can cause an excess of free radicals. 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. 1 view. It also led to improvements in mood and general well-being in those with Hashimoto’s disease (24). Selenium forms several allotropes that interconvert with temperature changes, depending somewhat on the rate of temperature change. What is selenium good for in the body? Natural Standard Patient Monograph: "Selenium." Selenium is crucial for maintaining a healthy immune … Selenium plays an important role in the health of your immune system. 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). This is a detailed review of the harmful effects of too much iron. In fact, consuming high doses of selenium can be toxic and even fatal. Oxidative stress and inflammation have been linked to atherosclerosis, or the buildup of plaque in arteries. 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.
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