Most of the selenium entering the body leaves within 24 hours (27). 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. Selenium is a naturally occurring mineral found in the soil and is vital in strengthening the body’s immune system. Selenium has also been studied for the treatment of dozens of conditions. A type of mineral found in the soil, selenium is a key mineral required for metabolism. This has been attributed to selenium’s ability to reduce DNA damage and oxidative stress, boost your immune system, and destroy cancer cells (8). Selenium helps your body metabolize thyroid hormones, which help regulate your metabolism, digestive function, and … 0 votes . © 2005-2020 Healthline Media a Red Ventures Company. Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, Coronavirus in Context: Interviews With Experts. of tuna contains about 63 mcg of selenium, and each slice of wheat bread contains about 10 mcg. Thus, finding ways to prevent this degenerative disease is imperative. Some research suggests that selenium may promote skin and hair health . This indicates that selenium may help lower heart disease risk by reducing inflammation and oxidative stress in your body. The mineral does this by combining with different proteins in the body to form antioxidants that enhance good health. Asthma is a chronic disease that affects the airways that carry air in and out of the lungs. Selenium is said to slow the progression of HIV and counteract the poisonous effect of heavy metals. Consuming too many could lead to selenium toxicity. 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). It plays a critical role in metabolism and thyroid function and helps protect your body from damage caused by oxidative stress. What to look for in a good selenium supplement: As a supplement, selenium can come in several forms. Here are 10 signs and symptoms of…, Potassium is a mineral that's involved in muscle contractions, heart function and water balance. Your body requires many minerals to function properly. Selenium is a trace mineral that is essential to good health in small amounts. Learn how mineral deficiency occurs and how it’s treated. Since selenium is such a powerful mineral, we only need trace amounts to maintain good health, and excessive amounts can quickly lead to toxicity. Antioxidants like selenium help reduce oxidative stress by keeping free radical numbers in check (7). Natural Standard Patient Monograph: "Selenium." This article outlines 7 health benefits of selenium, all backed by science. It’s important to note that free radicals can be created by natural processes within your body and external factors like pollution. © 2005 - 2019 WebMD LLC. It's essential to thyroid hormone metabolism, reproduction, DNA synthesis, and it protects you from infection and damage resulting from oxidative stress. Studies have demonstrated that increased blood levels of selenium are associated with enhanced immune response. Although selenium is necessary for good health, getting too much can be dangerous. This is a detailed review of the harmful effects of too much iron. Selenium is a mineral found in the soil. Evidence that selenium supplements may reduce the odds of prostate cancer has been mixed, but most studies suggest there is no real benefit. Selenium is an important nutrient that is easily attained through 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. 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). An Apple a Day Keeps the Doctor Away — Fact or Fiction. Looking to add more selenium to your diet? Anything above that is considered an overdose. Office of Dietary Supplements: "Selenium." Selenium levels drop with age, so some have claimed selenium can slow the aging process, cognitive decline and dementia. 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 mineral is naturally found in water and several foods and is required for longevity and [1] optimal health. 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