sevenseas March 25, 2008 These airways become inflamed and begin to narrow, causing symptoms like wheezing, shortness of breath, chest tightness, and coughing (28). Natural Standard Patient Monograph: "Selenium." The Gale Encyclopedia of Alternative Medicine, second edition, 2004. What is Selenium good for? They often get a bad rap, but free radicals are essential for your health. WebMD Health News: "Selenium Supplements: Diabetes Risk?" It also led to improvements in mood and general well-being in those with Hashimoto’s disease (24). 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). Running tests in different browsers will make it easier to determine the Internet browser incompatibility. Due to selenium’s ability to reduce inflammation, some studies suggest that this mineral may help reduce asthma-related symptoms. Consuming too many could lead to selenium toxicity. Most people can get their RDA of selenium from food. It’s important to note that free radicals can be created by natural processes within your body and external factors like pollution. Selenium levels drop with age, so some have claimed selenium can slow the aging process, cognitive decline and dementia. Incorporating selenium-rich foods into your diet is a great way to keep levels of oxidative stress and inflammation to a minimum. Asthma is a chronic disease that affects the airways that carry air in and out of the lungs. Rayman, M. Lancet, 2000. The main organic forms are selenomethionine, selenocysteine, and selenium-enriched yeast. Since selenium is such a powerful mineral, we only need trace amounts to maintain good health, and excessive amounts can quickly lead to toxicity. 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). Antioxidants protect cells from damage. This article explains how much potassium you need per…. It has both antioxidant and anti-inflammatory effects, especially because it’s required for the creation of glutathione, considered your body’s master antioxidant. Many fresh and saltwater fish, like tuna, cod, red snapper, and herring. Brazil nuts contain a very high amount of selenium. Selenium forms several allotropes that interconvert with temperature changes, depending somewhat on the rate of temperature change. 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). However, some research suggests that supplementing with selenium may reduce side effects in people undergoing radiation therapy. This powerful mineral helps protect the thyroid against oxidative damage and plays an essential role in the production of thyroid hormones. Selenium deficiency leads to muscular weakness and fatigue. Additionally, selenium supplements may help strengthen the immune system in people with influenza, tuberculosis, and hepatitis C (27). 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 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. Selenium plays an important role in the health of your immune system. It’s only needed in small amounts but plays a major role in important processes in your body, including your metabolism and thyroid function. The two inorganic forms of selenium are sodium selenite and sodium selenate. Low selenium levels are also implicated in depression, male infertility, weak immune systems and thyroid problems. Although selenium is necessary for good health, getting too much can be dangerous. While there are some good supplements, it is probably a good idea to try to get it through foods first- with so many good natural sources, if you eat a balanced diet you are likely to get enough. What is selenium good for in the body? How Long Does Coronavirus Live On Surfaces? They range from asthma to arthritis to dandruff to infertility. All rights reserved. What is selenium good for? Atherosclerosis can lead to dangerous health problems like strokes, heart attacks, and heart disease (13). Selenium does not seem to affect the risk of colorectal or lung cancer. This article takes a close look at the old proverb and…. Longe, J., ed. Additionally, it increased levels of glutathione peroxidase, a powerful antioxidant (12). It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts. Oxidative stress and inflammation have been linked to atherosclerosis, or the buildup of plaque in arteries. This is a detailed review of the harmful effects of too much iron. Selenium is also important for healthy hair … 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. For example, one study showed that the selenium concentration in Brazil nuts varied widely by region. Selenium is a trace mineral, which means our body cannot produce it but needs to depend on external sources to absorb Selenium. Some studiesprovide evidence that adequate selenium levels may reduce the risk of some 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. In severe cases, acute selenium toxicity can lead to serious intestinal and neurological symptoms, heart attack, kidney failure, and death (37). 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). 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. Selenium is said to slow the progression of HIV and counteract the poisonous effect of heavy metals. 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. This article outlines 7 health benefits of selenium, all backed by science. 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). Free radicals are normal byproducts of processes like metabolism that are formed in your body daily. Selenium has also been studied for the treatment of dozens of conditions. Something that makes it valuable is its role in antioxidant activity. 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. Alzheimer’s disease is a devastating condition that causes memory loss and negatively affects thinking and behavior. Selenium is an important mineral for many of your body's functions. Selenium supplements may also help reduce asthma-related symptoms. Discuss new supplements with your doctor to … It’s the sixth-leading cause of death in the United States. More studies are needed to evaluate the immune-stimulating properties of selenium. The safe upper limit for selenium is 400 micrograms a day in adults. Additionally, some studies have found that antioxidants in both foods and supplements may improve memory in patients with Alzheimer’s (17). Antioxidant properties and may help reduce oxidative stress in your body, but most suggest. People who are fed what is selenium good for are also implicated in depression, male infertility, weak immune systems thyroid... Tell me what is selenium good for have asthma have lower blood of. 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