Selenium: Fact Sheet for Professionals. 9 Cai, X-J., et al. Hu S, Rayman MP. Surg., 35 (7), 1540–1545. Endemic goiter, thiocyanate overload, and selenium status in school-age children. Intestinal, digestive, or absorption issues like Crohn's disease, Living in an area with selenium-deficient soil, Having human immunodeficiency virus (HIV), Compromised immune system, resulting in getting sick more often, Seafood, such as shrimp, sardines, salmon, halibut, and tuna, Meats like beef steak, beef liver, ground beef, and ham. Antioxidant nutrients and disease prevention. Both excessively high and low levels of selenium have been associated in several studies with an increased risk of disease. Wichman J, Winther KH, Bonnema SJ, Hegedus L. Selenium supplementation significantly reduces thyroid autoantibody levels in patients with chronic autoimmune thyroiditis: A systematic review and meta-analysis. Though this isn't a routine test if you have thyroid disease (it's usually only performed if a selenium deficiency or toxicity is suspected), you or your doctor may want to check your levels at some point to make sure they're within normal limits. When it comes to supporting your thyroid through nutrition, there’s a powerful nutrient that you may not know about — selenium. URL (abstract): http://ncbi.nlm.nih.gov/pubmed/12487769 (accessed 09.29.2011). Thyroid. If you’re suffering from the following symptoms, you may have low selenium levels: If you have low levels of selenium, it’s harder for the thyroid to make its hormones and for the body to convert thyroid hormones into the form that’s needed by your cells. Hair and nail loss or brittleness. Selenium-Rich Foods Eat selenium-rich foods for better thyroid health. Hatch, C. 2005. Food Res., 52 (11), 1235-1246. Iodine—the building block and key ingredient of thyroid hormone—actually requires selenium in order to be synthesized properly into thyroid hormone. NY: CRC Press. Although non-severe selenium deficiency is unlikely to impact thyroid function, there is a good deal of evidence to support the use of selenium for autoimmune thyroid … The World’s Healthiest Foods, 780. JAMA, 276, 1957–1963. Selenium is a mineral that's naturally found in some of the foods we eat. Selenium is a trace element that is necessary for several bodily functions. 1993. Thank you, {{form.email}}, for signing up. Selenium and Thyroid Function. A number of research studies have shown key relationships between selenium supplementation and thyroid and immune function. 2018 Oct 4;8(4):70. doi:10.3390/diagnostics8040070. Call 1-800-448-4919 M-F 9AM-6PM EST, Five steps for natural thyroid symptom relief, Stop thyroid weight gain and get your body back, Why your doctor is wrong about thyroid testing, Muscle and joint pain from hypothyroidism. 2002. The synthesis of thyroid hormones (T4) creates a lot of free radicals which selenium can counteract. A diet rich in selenium may help keep your heart healthy, as low … ", Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Effect of selenium supplementation supplementation for cancer prevention in patients with carcinoma of the skin. All of the problems that come with selenium deficiency are compounded by the fact that selenium works in tandem with iodine, another nutrient better known for its role in thyroid health. Selenium has been used in … It's helpful to know what your goal should be, particularly if you have any of the symptoms mentioned above. Trace Elem. What’s more, selenium protects you against many health issues associated with aging, such as osteoarthritis and certain forms of cancer. URL: http://archinte.ama-assn.org/cgi/reprint/160/4/526 (accessed 10.19.2011). These selenoproteins are part of two thyroid enzymes named deiodinaes and … Food Chem., 43 (7), 1754–1757. National Institutes of Health. Ana Maria Kausel, MD, is a double board-certified endocrinologist affiliated with Mount Sinai St. Luke's/Mount Sinai West in New York City. Your body doesn't make selenium, so the only way you can get it is through food and/or supplements. If you aren’t able to regularly eat foods that provide dietary selenium, or if you have a digestive condition that impairs absorption, an alternative is to use a medical-grade multivitamin that includes selenium. Selenium is used to treat or prevent selenium deficiency. 2011. It also has nutritional benefits … Something that makes it valuable is its role in antioxidant activity. The Food and Nutrition Board (FNB) at the Institute of Medicine of the National Academies recommends that healthy people age 14 years and older get 55 mcg of selenium daily from all sources. As a component of antioxidant enzymes, particularly glutathione reductase, it’s key for repairing tissues throughout the body. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/11330518 (accessed 09.30.2011). Clark, L., et al. A further potential benefit of selenium is the role it may play … Seattle: George Mateljan Foundation. Seattle: George Mateljan Foundation. Some of the risk factors for developing a selenium deficiency include: There are many symptoms that can occur when you aren't getting enough selenium. Some of the most common ones include: Of course, it's worth noting that some of these overlap with symptoms of thyroid disease. While the odds of a deficiency are pretty low for most, there are some people for whom the risk is greater. Diarrhea. Selenium helps with hormone production. The thyroid contains more selenium … Res., 79 (2), 121-130. J. NatI. Fatigue… Thyroid. J. Ag. For those with thyroid disease and low selenium levels, supplementation can be beneficial, but for those whose selenium levels are normal to high, supplementation could potentially result in toxicity. Thyroid function is vital for a healthy metabolism. 3 Canaris, G. 2000. When selenium is low, … Read our, Medically reviewed by Lindsey Waldman, MD, RD, Medically reviewed by Richard N. Fogoros, MD, Medically reviewed by Ana Maria Kausel, MD, How (and Why) to Get More Selenium in Your Diet, Eating a Healthy Diet for Your Thyroid Condition, How Diet May Help Optimize Your Thyroid Health, 5 Things Women With PCOS Should Know About Hypothryoid, An Overview of Thyroid Disease Treatments, Hashimoto's Disease, Fatigue, and Your Thiamine Levels, 10 Ways to Reduce Your Risk of Thyroid Disease, How Folate Differs From Folic Acid (and Why It Matters), Why People With Hypothyroidism May Want to Avoid Certain Veggies, Selenium and thyroid disease: From pathophysiology to treatment, Selenium and selenoproteins in immune mediated thyroid disorders, Selenium supplementation significantly reduces thyroid autoantibody levels in patients with chronic autoimmune thyroiditis: A systematic review and meta-analysis, Multiple nutritional factors and the risk of Hashimoto's Thyroiditis. A 2016 study analyzed the impact of selenium supplementation on the thyroid antibody levels of people with Hashimoto’s thyroiditis. Eating foods high in selenium may be a must for those with thyroid problems. Call us at: 1-800-448-4919, Questions? Selenium is a trace mineral that is found naturally in the soil and also appears in certain foods. Sign up and get yours free! Foods that are good sources of selenium include: Selenium can be found in supplements either alone or in combination formulas in multivitamins. Selenium is needed to help protect the Thyroid against this oxidative stress. Due to its overall effects in the body, research is being conducted on whether or not selenium supplementation may affect glucose metabolism, as well as help prevent cancer, thyroid disease, heart disease, and the cognitive decline that occurs as we age. Selenium is so easy to get through food. 1 Matelgan, G. 2007. Iodine Remedies: Secrets from the Sea, 36. Selenium deficiency a factor in endemic goiter persistence in sub-Saharan Africa. Fertility and Reproductive Health. Cancer Inst., 85 (18), 1483–1492. Biol. Biol. It’s especially important to have your practitioner continue monitoring your thyroid hormone levels if you’ve ever been diagnosed with any sort of thyroid disorder, such as Graves’ disease (hyperthyroidism), Hashimoto’s autoimmune thyroiditis, or any other form of hypothyroidism. There are two forms of selenium: organic (selenomethionine and selenocysteine) and inorganic (selenate and selenite). 1996. Selenium has a wide array of health benefits, including its ability to protect against certain heart diseases, boost the strength of the immune system, maximize thyroid function, reduce … 2016 Dec;26(12):1681–1692. Before you consider adding handfuls of Brazil nuts to your diet or taking selenium supplements, you should have your selenium levels evaluated by your doctor. Matelgan, G. 2007. 2001. Keep in mind that if you choose to supplement with selenium, you should calculate your dietary intake, and be sure to count any selenium in multivitamins and supplements so that your daily intake doesn't exceed the 400 mcg daily recommended upper intake level. Giray, B., et al. 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. One of the most multi functional essential trace minerals, Selenium can be found in … 5 Robin, C. 2007. Selenium as selenomethionine, 200 mcg for thyroid health. Selenium helps to protect your body against infection and chronic disease and regulates hormones produced by your thyroid. Selenium helps the thyroid with … The thyroid cells make a protein called thyroglobulin. Low selenium levels tied to osteoarthritis. Role of Selenium in Thyroid: Selenium in the form of selenoproteins is involved in the metabolism of thyroid hormones. Skin lesions. For example: While the nutrient is important for your thyroid, know that selenium deficiency is fairly rare in the United States, thanks to selenium-rich soil. Most Americans easily get the required amount of selenium they need on a daily basis. There are even small amounts in the water you drink. May protect against heart disease. Learning more about the nutrients your thyroid needs and the top foods that contain them, can help you support your thyroid more completely. When the body experiences severe inflammation, it becomes much more … Are irregular periods a sign of thyroid problems? Mol. Losing weight with thyroid disease can be a struggle. The impact of iron and selenium deficiencies on iodine and thyroid metabolism: Biochemistry and relevance to public health. That’s really what makes it so important to women — because we’re much more prone to thyroid problems. 1  Symptoms include: Garlic smell to the breath. There are many benefits of Selenium as it plays a key role in maintaining optimal health. Protecting the thyroid’s tissues whenever the thyroid is affected by oxidative stress — which is happening all the time. 2017;2017:1297658. doi:10.1155/2017/1297658. 2008. This protein assists iodine in making the hormone T4. While low levels of selenium are a concern, high levels can result in selenium toxicity over time. Published October 7, 2013 - Last Updated October 18, 2018Filed Under: Thyroid health, Women’s Health Network is not affiliated with the National Women's Health Network (www.nwhn.org), We are available M-F 9am-6pm EST During the formation of the T4 … Again, when there is too little selenium available for the body to make these enzymes, your body can’t maintain appropriate levels of the thyroid’s key hormones — and you may also experience troubling symptoms. 7 Kishosha, P., et al. 8 Zimmermann, M., & Köhrle, J. As a nutrient, selenium is crucial to the everyday function of your thyroid. Updated September 26, 2018. https://ods.od.nih.gov/factsheets/Selenium-HealthProfessional/#h7. Our thyroid-friendly meal plan can help. In: Garewal, H, ed. The surprising role of progesterone for your thyroid function. URL (abstract): http://jama.ama-assn.org/content/276/24/1957.short (accessed 09.30.2011). Making it easier for women of every age to find their way to health. Most people do just fine with a dose of about 200 micrograms (mcg) of selenium per day — although as always, we recommend checking with your practitioner first! Selenium’s benefits to the thyroid may be linked to its ability to reduce chronic inflammation in the body. Additional Benefits Selenium is essential to healthy thyroid function, but it can also help in other areas of the body. Combs, G., & Clark, L. 1997. URL: http://health.usnews.com/usnews/health/briefs/bonehealth/hb051121a.htm (accessed 09.30.2011). What is selenium good for in the body? Selenium, along with iodine, allows your thyroid gland to make thyroid hormones. Additionally, it is also important to note that when Selenium levels in the Thyroid gland is not adequate, it causes … Selenium. Essentially what selenium … You can safely take in up to 400 mcg per day between food and supplements. The recommendation goes up to 60 mcg per day if you're pregnant and 70 mcg per day if you're breastfeeding. 1995. A selenium deficiency is associated with a variety of thyroid issues, including:. The Colorado Thyroid Disease Prevalence Study. Skin rashes. 2001. Selenium is an antioxidant In adults, the thyroid is the organ that has the highest concentration of selenium in the body, and this mineral plays a key role in your thyroid gland’s ability to produce thyroid hormone. Having an optimal amount of selenium in your diet is vital not just for preventing thyroid disease, but for your overall health. Another enzyme, glutathione peroxidase, helps to limit T4 when its levels get too high. Selenium may help protect the thyroid from autoimmune disorders. Med., 160 (4), 526–534. Their role includes: Selenium isn’t only just important to the production of thyroid hormones — it’s also a key regulator of thyroid hormone levels. It's also added to foods to fortify them and can be taken as a dietary supplement. This mineral is found in a wide range of foods, including everyday … In fact, the thyroid contains more selenium than all other organs in the body. This mineral is a key player when it comes to aging, as it mostly affects the thyroid. Madison, WI: Service to the Good of Life. Arch. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/21523503 (accessed 09.30.2011). In the thyroid, selenoproteins called deiodinases are … On the importance of selenium and iodine metabolism for thyroid hormone biosynthesis and human health. Erdoğan, M., et al. Res., 82 (1–3), 35-52. In fact, there is more selenium per gram in the thyroid than anywhere else in the body. Nausea. Nutr. He or she can then offer guidance on whether you might benefit from increasing your dietary selenium or adding supplements. Some of these enzymes, called seleno-de-iodinases, maintain appropriate T3 levels in the thyroid, liver, kidney and brain cells. Protecting the thyroid’s … Selenium plays an important role in thyroid health. Selenium can help reduce the harmful effects of a diet high in iodine and possible prevent Hashimoto’s from developing… It's essential to thyroid hormone metabolism, reproduction, DNA synthesis, and it protects you from infection and damage resulting from oxidative stress. Both forms are good sources, but research has shown that using the organic form of selenium as a supplement may be more effective because your body absorbs more than 90 percent of organic selenium, but only around 50 percent of the inorganic form.. In men, the intake of selenium may help with the treatment of prostate cancer. 2017 May;27(5):597–610. Selenium is a powerful antioxidant which reduces oxidative stress and can modulate the immune system. When iodine deficiency goes hand-in-hand with selenium deficiency, it’s essential to treat both nutrient deficits to restore the thyroid to balance. Selenium and Autoimmune Thyroid Disease This review covers some of the ways that selenium is important for the thyroid gland. Trace Elem. doi:10.1089/thy.2016.0256, Office of Dietary Supplements. Nutrition intervention trials in Linxian, China: Supplementation with specific vitamin/mineral combinations, cancer incidence, and disease-specific mortality in the general population. Intern. Diagnostics. Because it both increases antioxidant capabilitie… Selenium is a crucial nutrient for everyone's health. While low levels of selenium are a concern, high levels can result in selenium toxicity over time. 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Selenium include: Garlic smell to the everyday function of your thyroid through nutrition, there is no... `` the thyroid, liver, kidney and brain cells know what your goal should be, particularly glutathione,. Glutathione peroxidase, helps to protect your body against infection and chronic disease and regulates produced!, a healthy blood level of selenium include: Garlic smell to the Institutes... Your selenium benefits for thyroid over months or years alone or in combination formulas in multivitamins them can...