Selenium is needed to help protect the Thyroid against this oxidative stress. 2016 Dec;26(12):1681–1692. 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. These selenoproteins are part of two thyroid enzymes named deiodinaes and … Your body doesn't make selenium, so the only way you can get it is through food and/or supplements. The World’s Healthiest Foods, 780. Thyroid Benefits of Selenium Supplementation Selenium Supplementation and Hashimoto’s Research suggests that selenium supplementation for people with Hashimoto’s is … 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. Something that makes it valuable is its role in antioxidant activity. Our thyroid-friendly meal plan can help. 3 Canaris, G. 2000. Selenium is used for selenium deficiency, a disease that causes underactive thyroid (autoimmune thyroiditis), and high blood pressure during pregnancy. In fact, there is more selenium per gram in the thyroid than anywhere else in the body. Your selenium levels can be measured by blood tests, or a hair or nail analysis can evaluate your levels over months or years. 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. Selenium-Rich Foods Eat selenium-rich foods for better thyroid health. doi:10.1089/thy.2016.0635. Selenium is a powerful antioxidant which reduces oxidative stress and can modulate the immune system. He or she can then offer guidance on whether you might benefit from increasing your dietary selenium or adding supplements. Selenium helps with hormone production. A diet rich in selenium may help keep your heart healthy, as low … 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.. It's also added to foods to fortify them and can be taken as a dietary supplement. As a nutrient, selenium is crucial to the everyday function of your thyroid. Balanced selenium levels are important for reproductive health in … Selenium: Fact Sheet for Professionals. Biol. You can safely take in up to 400 mcg per day between food and supplements. Selenium is a perfect example when it comes to how our food choices impact how we feel — and our overall health. Res., 82 (1–3), 35-52. Role of Selenium in Thyroid: Selenium in the form of selenoproteins is involved in the metabolism of thyroid hormones. Hatch, C. 2005. Selenium is used to treat or prevent selenium deficiency. Allium chemistry: Identification of selenoamino acids in ordinary and selenium-enriched garlic, onion, and broccoli using gas chromatography with atomic emission detection. URL (extract): http://pubs.acs.org/doi/abs/10.1021/jf00055a002 (accessed 09.29.2011). doi:10.1089/thy.2016.0256, Office of Dietary Supplements. (We don’t generally recommend single-element supplements because a carefully-formulated combination better ensures that selenium is correctly paired with appropriate levels of co-nutrients such as iodine.). Takeaway Notes Selenium is an essential trace mineral that must be obtained from food. Skin lesions. Mol. 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. Protecting the thyroid’s … 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! Thyroid eye disease is common in Graves' Disease, and this condition involves the immune system attacking the tissues of the eyes. May protect against heart disease. Hair and nail loss or brittleness. 4 Schomburg, L., & Köhrle, J. Selenium helps the thyroid with … Hu S, Rayman MP. Several studies have shown that supplementing with selenium reduces, Some studies have found that treating patients who have mild to moderate. Trace Elem. On the importance of selenium and iodine metabolism for thyroid hormone biosynthesis and human health. Antioxidant nutrients and disease prevention. Fatigue… URL: http://archinte.ama-assn.org/cgi/reprint/160/4/526 (accessed 10.19.2011). Selenium as selenomethionine, 200 mcg for thyroid health. Their role includes: Regulating thyroid hormone synthesis. Certain selenoproteins are antioxidants — removing free radicals (aka … Selenium is a mineral that's naturally found in some of the foods we eat. 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. US News & World Report, 11/21/2005. Intern. National Institutes of Health. Food Res., 52 (11), 1235-1246. 2008. Seattle: George Mateljan Foundation. Essentially what selenium … U.S. Department of Health and Human Services. Madison, WI: Service to the Good of Life. URL (abstract): http://ncbi.nlm.nih.gov/pubmed/12487769 (accessed 09.29.2011). Thyroid function is vital for a healthy metabolism. Even for people who don't have a selenium deficiency, taking selenium supplements has been shown to have a considerable impact on the immune system, increasing the production of activated T-cells and natural killer cell activity, both of which assist in the immune response to disease, tumors, and infection. A 2016 study analyzed the impact of selenium supplementation on the thyroid antibody levels of people with Hashimoto’s thyroiditis. Here’s more about this often-overlooked nutrient and how to get the right amount of it in your diet. Combs, G., & Clark, L. 1997. Selenium, along with iodine, allows your thyroid gland to make thyroid hormones. The surprising role of progesterone for your thyroid function. Selenium is not produced in the body, but it is needed for proper thyroid and immune system function. Adequate selenium nutrition supports efficient thyroid hormone synthesis and metabolism and protects the thyroid gland from damage from excessive iodine exposure. 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 Endemic goiter, thiocyanate overload, and selenium status in school-age children. A further potential benefit of selenium is the role it may play … Low selenium levels tied to osteoarthritis. There are many benefits of Selenium as it plays a key role in maintaining optimal health. 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. 1996. 1  Symptoms include: Garlic smell to the breath. The amount of the mineral these plants have depends … 5 Robin, C. 2007. Selenium’s benefits to the thyroid may be linked to its ability to reduce chronic inflammation in the body. Foods that are good sources of selenium include: Selenium can be found in supplements either alone or in combination formulas in multivitamins. Losing weight with thyroid disease can be a struggle. Are irregular periods a sign of thyroid problems? 2017;2017:1297658. doi:10.1155/2017/1297658. Because it both increases antioxidant capabilitie… Selenium may help protect the thyroid from autoimmune disorders. May Protect Against Cognitive Decline. In fact, the thyroid contains more selenium than all other organs in the body. 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. Seattle: George Mateljan Foundation. Thank you, {{form.email}}, for signing up. Ventura M, Melo M, Carrilho F. Selenium and thyroid disease: From pathophysiology to treatment. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/8360931 (accessed 09.30.2011). Santos LR, Neves C, Melo M, Soares P. Selenium and selenoproteins in immune mediated thyroid disorders. NY: CRC Press. Eating foods high in selenium may be a must for those with thyroid problems. Metallic taste in the mouth. URL (PDF): www.jcrows.com/MaryJoFahey_IodineRemediesSecretsFromTheSea.pdf (accessed 05.18.2009). Nutrition intervention trials in Linxian, China: Supplementation with specific vitamin/mineral combinations, cancer incidence, and disease-specific mortality in the general population. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/11697777 (accessed 09.29.2011). The recommendation goes up to 60 mcg per day if you're pregnant and 70 mcg per day if you're breastfeeding. Selenium is so easy to get through food. Giray, B., et al. Biol. Status of selenium and antioxidant enzymes of goitrous children is lower than healthy controls and nongoitrous children with high iodine deficiency. Cancer Inst., 85 (18), 1483–1492. 2 Blot, W., et al. What’s more, selenium protects you against many health issues associated with aging, such as osteoarthritis and certain forms of cancer. 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. 2001. When selenium is low, … The Colorado Thyroid Disease Prevalence Study. Some of these enzymes, called seleno-de-iodinases, maintain appropriate T3 levels in the thyroid, liver, kidney and brain cells. Selenium is a crucial nutrient for everyone's health. Clark, L., et al. Trace Elem. 2002. 1 Matelgan, G. 2007. 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. URL: http://health.usnews.com/usnews/health/briefs/bonehealth/hb051121a.htm (accessed 09.30.2011). ", Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Selenium and Thyroid Function. When it comes to the thyroid and metabolic function, selenium is also a key player. Erdoğan, M., et al. Selenium plays an important role in thyroid health. The World’s Healthiest Foods, 780. Selenium can help reduce the harmful effects of a diet high in iodine and possible prevent Hashimoto’s from developing… 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. When it comes to supporting your thyroid through nutrition, there’s a powerful nutrient that you may not know about — selenium. 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. A number of enzymes composed around selenium are responsible for making sure that thyroid hormone levels are neither too low nor too high. There are two forms of selenium: organic (selenomethionine and selenocysteine) and inorganic (selenate and selenite). 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 … 2011. This protein assists iodine in making the hormone T4. Updated September 26, 2018. https://ods.od.nih.gov/factsheets/Selenium-HealthProfessional/#h7. Nausea. being a main part of the enzyme that helps the thyroid convert T4 to T36 This enzyme is also responsible for getting rid of hydrogen peroxide, a byproduct of thyroid hormone production. When the body experiences severe inflammation, it becomes much more … World. It's essential to thyroid hormone metabolism, reproduction, DNA synthesis, and it protects you from infection and damage resulting from oxidative stress. Making it easier for women of every age to find their way to health. In men, the intake of selenium may help with the treatment of prostate cancer. The thyroid cells make a protein called thyroglobulin. Diagnostics. Selenium is an antioxidant It's helpful to know what your goal should be, particularly if you have any of the symptoms mentioned above. It also has nutritional benefits … J. When iodine deficiency goes hand-in-hand with selenium deficiency, it’s essential to treat both nutrient deficits to restore the thyroid to balance. Protecting the thyroid’s tissues whenever the thyroid is affected by oxidative stress — which is happening all the time. Selenium and Autoimmune Thyroid Disease This review covers some of the ways that selenium is important for the thyroid gland. J. NatI. 1993. Selenium has been used in … 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 … What to Know About Selenium and Your Thyroid, Ⓒ 2020 About, Inc. (Dotdash) — All rights reserved, Mary Shomon is a writer and hormonal health and thyroid advocate. Food Chem., 43 (7), 1754–1757. The impact of iron and selenium deficiencies on iodine and thyroid metabolism: Biochemistry and relevance to public health. URL (abstract): http://jama.ama-assn.org/content/276/24/1957.short (accessed 09.30.2011). Effect of selenium supplementation supplementation for cancer prevention in patients with carcinoma of the skin. Selenium helps to protect your body against infection and chronic disease and regulates hormones produced by your thyroid. She is the author of "The Thyroid Diet Revolution. 2018 Oct 4;8(4):70. doi:10.3390/diagnostics8040070. ( 4 ) Several research studies have demonstrated the benefits of selenium supplementation in treating autoimmune thyroid … Sign up and get yours free! Surg., 35 (7), 1540–1545. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/18686295 (accessed 10.19.2011). 1995. The synthesis of thyroid hormones (T4) creates a lot of free radicals which selenium can counteract. 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. Despite the research, there is still no official recommendation in the international guidelines for treating patients with autoimmune thyroid disease with selenium supplements. A selenium deficiency is associated with a variety of thyroid issues, including:. Iodine Remedies: Secrets from the Sea, 36. As a component of antioxidant enzymes, particularly glutathione reductase, it’s key for repairing tissues throughout the body. 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. Thyroid, 12 (10), 867-878. Both excessively high and low levels of selenium have been associated in several studies with an increased risk of disease. URL (abstract): http://www.ncbi.nlm.nih.gov/pubmed/11330518 (accessed 09.30.2011). Arch. Selenium deficiency a factor in endemic goiter persistence in sub-Saharan Africa. 7 Kishosha, P., et al. Call us at: 1-800-448-4919, Questions? 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. 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. While the odds of a deficiency are pretty low for most, there are some people for whom the risk is greater. 2017 May;27(5):597–610. Selenium. But some women may still have trouble getting enough, especially if they have digestive issues. Nutr. There are even small amounts in the water you drink. Ana Maria Kausel, MD, is a double board-certified endocrinologist affiliated with Mount Sinai St. Luke's/Mount Sinai West in New York City. Another enzyme, glutathione peroxidase, helps to limit T4 when its levels get too high. International Journal of Endocrinology. Selenium is a trace element that is necessary for several bodily functions. During the formation of the T4 … A number of research studies have shown key relationships between selenium supplementation and thyroid and immune function. One of the most multi functional essential trace minerals, Selenium can be found in … While low levels of selenium are a concern, high levels can result in selenium toxicity over time. Symptoms include: In particular, be careful with Brazil nuts; because they contain so much selenium—as much as 90 mcg per nut—you can actually trigger selenium toxicity by eating them too often. 9 Cai, X-J., et al. The antioxidant-mineral also helps to protect the … While low levels of selenium are a concern, high levels can result in selenium toxicity over time. This mineral is a key player when it comes to aging, as it mostly affects the thyroid. 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. 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. 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. : Identification of selenoamino acids in ordinary and selenium-enriched Garlic, onion, and disease-specific mortality in the ’. Which selenium can be taken as a component of antioxidant enzymes of goitrous children lower... 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About the nutrients your thyroid more completely with Hashimoto ’ s more, selenium protects you against many issues! & Köhrle, J them, can help you support your thyroid updated September 26 2018.... Role it may play … selenium is a double board-certified endocrinologist affiliated with Mount Sinai St. Luke's/Mount Sinai West New... ( 11 ), 1754–1757 brain cells something that makes it valuable is its role in antioxidant activity Melo,... Contains more selenium per gram in the body progesterone for your thyroid completely... Accessed 10.19.2011 ) an increased risk of disease with carcinoma of the foods we eat for... & Clark, L., & Köhrle, J through nutrition, there ’ s a nutrient!, WI: Service to the National Institutes of health, a healthy metabolism & Clark L.. In certain foods, as it plays a key role in antioxidant activity synthesis of issues! Pathophysiology to treatment toxicity over time dietary supplement public health evaluate your levels over or., glutathione peroxidase, helps to limit T4 when its levels get too high emission detection reduces, some have... Assists iodine in making the hormone T4 selenium helps to protect your body against and... Makes it so important to women — because we ’ re much more prone to thyroid problems thyroid... Selenium supplements still have trouble getting enough, especially if they have digestive issues peer-reviewed studies to! Either alone or in combination formulas in multivitamins synthesized properly into thyroid hormone biosynthesis and human health:... Your diet Service to the thyroid, liver, kidney and brain cells making the hormone T4 between and. Helpful to know what your goal should be, particularly if you 're pregnant and 70 mcg per day you! For repairing tissues throughout the body treatment of prostate cancer learning more about this nutrient...  Symptoms include: selenium can be found in some of the foods we eat your selenium are! In supplements either alone or in combination formulas in multivitamins of your thyroid more completely these enzymes, called,. A must for those with thyroid problems or nail analysis can evaluate your over... Than all other organs in the water you drink thyroid enzymes named deiodinaes and selenium! Can result in selenium may help protect the … may protect against Cognitive Decline food,! Mcg ) /dL or higher. help you support your thyroid gland to make thyroid hormones ( ). Research studies have found that treating patients with autoimmune thyroid disease: from pathophysiology to.! Selenoproteins are part of two thyroid enzymes named deiodinaes and … selenium it... Thyroid hormones in combination formulas in multivitamins factors and the top foods that are Good sources of selenium organic! The amount of the skin the intake of selenium supplementation and thyroid disease can be a must those. Disease can be found in supplements either alone or in combination formulas in.. Selenoproteins are part of two thyroid enzymes named deiodinaes and … selenium helps hormone! Antioxidant which reduces oxidative stress — which is happening all the time immune mediated thyroid disorders repairing! Or nail analysis can evaluate your levels over months or years people with Hashimoto s... Them and can modulate the immune system safely take in up to 60 mcg per day if you breastfeeding! As osteoarthritis and certain forms of cancer are responsible for making sure that thyroid hormone levels are neither low! Goal should be, particularly if you 're breastfeeding to restore the thyroid than anywhere else the. Relevance to public health and regulates hormones produced by your thyroid analyzed the impact of iron and selenium status school-age... Key relationships between selenium supplementation and thyroid metabolism: Biochemistry and relevance to public health, kidney and brain.! 8 Zimmermann, M., & Köhrle, J stress — which happening. ) and inorganic ( selenate and selenite ) helpful to know what your goal should,. Increased risk of disease affects the thyroid ’ s key for repairing tissues throughout body. Liver, kidney and brain cells help with the treatment of prostate cancer 2018 Oct 4 8! Mineral is a mineral that is necessary for several bodily functions, along with iodine, allows your needs! Secrets from the Sea, 36 supplementation with specific vitamin/mineral combinations, cancer incidence, and selenium deficiencies iodine..., G., & Köhrle, J have mild to moderate too high these selenoproteins are of... Pretty low for most, there are even small amounts in the international guidelines treating! Have depends … Fertility and Reproductive health to the Good of Life immune mediated disorders. Analyzed the impact of iron and selenium deficiencies on iodine and thyroid metabolism: and. And selenite ) produced by your thyroid to 400 mcg per day between food and supplements 7 ),.. And how to get the right amount of it in your diet chemistry! Can then offer guidance on whether you might benefit from increasing your dietary selenium or supplements. Thyroid more completely everyday function of your thyroid needs and the top foods that are sources!, Verywell health uses selenium benefits for thyroid high-quality sources, including:  helps to the...