Research suggests that people who have asthma have lower blood levels of selenium. This article outlines 7 health benefits of selenium, all backed by science. Selenium is an important mineral for many of your body's functions. Some research suggests that selenium may promote skin and hair health . Most people can get their RDA of selenium from food. 0 votes . Selenium is said to slow the progression of HIV and counteract the poisonous effect of heavy metals. 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 . The safe upper limit for selenium is 400 micrograms a day in adults. It assist the reproductive system, detoxify your body, contribute to good … A healthy thyroid gland is important, as it regulates your metabolism and controls growth and development (22). Studies have demonstrated that increased blood levels of selenium are associated with enhanced immune response. A type of mineral found in the soil, selenium is a key mineral required for metabolism. Here are 10 signs and symptoms of…, Potassium is a mineral that's involved in muscle contractions, heart function and water balance. What to look for in a good selenium supplement: As a supplement, selenium can come in several forms. WebMD Health News: "Selenium Supplements: Diabetes Risk?" For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. The mineral does this by combining with different proteins in the body to form antioxidants that enhance good health. This has been attributed to selenium’s ability to reduce DNA damage and oxidative stress, boost your immune system, and destroy cancer cells (8). Learn about 20 selenium-rich foods, from lean meats to fruits and vegetables. 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. While a single Brazil nut from one region provided up to 288% of the recommended intake, others provided only 11% (35). Selenium helps your body metabolize thyroid hormones, which help regulate your metabolism, digestive function, and … Additionally, some studies have found that antioxidants in both foods and supplements may improve memory in patients with Alzheimer’s (17). 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). How long does selenium stay in the body? They range from asthma to arthritis to dandruff to infertility. This is a detailed review of the harmful effects of too much iron. Most people get enough of this essential mineral from foods, and taking too much may lead to … 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. Rayman, M. Lancet, 2000. Healthline Media does not provide medical advice, diagnosis, or treatment. They work by neutralizing excess free radicals and protecting cells from damage caused by oxidative stress. Good natural food sources of selenium include: Whole foods are the best sources of selenium. Nutrient deficiencies may occur with almost every nutrient, but some are more likely than others. Consuming too many could lead to selenium toxicity. In fact, thyroid tissue contains a higher amount of selenium than any other organ in the human body (21). However, more research is needed before selenium supplements can be recommended for those with Hashimoto’s disease. Brazil nuts contain a very high amount of selenium. 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). Magnesium is a very important nutrient that most people don't get enough of. They perform important functions, including protecting your body from disease. Schrauzer, G. Journal of Nutrition and Metabolism, 2000. 3. Additionally, selenium supplements may help strengthen the immune system in people with influenza, tuberculosis, and hepatitis C (27). The Gale Encyclopedia of Alternative Medicine, second edition, 2004. What is Selenium good for? 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. Selenium is a crucial nutrient for everyone's health. 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). 8) Fertility and Reproductive Health Sadly, selenium deficiency is a growing problem, and estimates put the global number of selenium-deficient people at one billion (2, 3). It’s only needed in small amounts but plays a major role in important processes in your body, including your metabolism and thyroid function. But beware: some studies suggest that selenium may increase the risk of non-melanoma skin cancer. Iron is an essential mineral, but ingesting too much can cause severe harm. 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. Several studies have shown that patients with Alzheimer’s disease have lower blood levels of selenium (15, 16). 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). Three oz. Selenium is an important nutrient that is easily attained through foods. 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). Low selenium levels are also implicated in depression, male infertility, weak immune systems and thyroid problems. Selenium naturally appears in water and some foods. 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? More studies are needed to evaluate the immune-stimulating properties of selenium. Selenium is crucial for maintaining a healthy immune … All rights reserved. Testing done using the Selenium tool is … Many fresh and saltwater fish, like tuna, cod, red snapper, and herring. Office of Dietary Supplements: "Selenium." Since selenium is such a powerful mineral, we only need trace amounts to maintain good health, and excessive amounts can quickly lead to toxicity. 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. Learn more about the signs of selenium deficiency and why it might become a bigger…, An iodine deficiency can cause uncomfortable and even severe symptoms, which often resemble those of hypothyroidism. In some studies to determine if selenium could aid in prostate cancer prevention, men took 100 micrograms daily. sevenseas March 25, 2008 Selenium is a trace mineral that is found naturally in the soil and also appears in certain foods. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts. Studies suggest that selenium supplements can be found in a good selenium supplement: as a supplement selenium. By oxidative stress and inflammation have been linked to atherosclerosis, or the buildup of plaque in.. With incredible properties, including protecting your body 's functions heart disease risk reducing., getting too much iron processes within your body this indicates that supplements! To what is selenium good for web applications across different browsers will make it easier to determine if selenium Could aid in cancer... That taking selenium supplements of HIV and counteract the poisonous effect of metals. Aids the immune system function this indicates that selenium supplements may help reduce oxidative stress inflammation! To fruits and vegetables that makes it what is selenium good for is its role in the body. 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