Iodine (I) - Iodine with the symbol 'I' is a dark gray or purple blackish nonmetallic element with atomic number 53 in the Periodic Table. Although not harmful, fibrocystic breast disease causes lumpy, painful breasts. They are present in some plant foods including soy, and, Iodine supplements might interact with anti-thyroid medications such as methimazole (Tapazole®), used to treat, Taking potassium iodide with medicines for high blood pressure known as, The amount of potassium in your blood can also get too high if you take potassium iodide with potassium-sparing. Fish (such as cod and tuna), seaweed, shrimp, and other seafood, which are generally rich in iodine, Dairy products (such as milk, yogurt, and cheese), which are major sources of iodine in American diets, Iodized salt, which is readily available in the United States and many other countries*, People who do not use iodized salt. This means it may increase in size in order to hold on to and trap as much iodine as it can. Its oxidizing properties make it effective in killing harmful microorganisms. Office of Dietary Supplements Health Professional Fact Sheet on Iodine. Iodine deficiency can lead to a dysfunction of these tissues and cause symptoms such as dry mouth, dry skin, reduced alertness, brain fog, fibromyalgia, fibrocystic breasts, and many others. Seafood curryOne-pan summer eggsCheese, leek & potato tortillaSeafood paella. Yes. In general, foods from the sea contain the most iodine, followed by animal foods, then plant foods. So-called iodine "allergies" have nothing to do with iodine! Most organic iodine compounds are in the -1 oxidation state. The body also needs thyroid hormones for proper bone and brain development during pregnancy and infancy. Iodine is a trace element that is essential for the body to make thyroid hormones which play an integral role in the growth and development of cells and tissues. For more advice on choosing dietary supplements: For information about building a healthy diet. This can lead to a swelling in the neck or a condition called ‘goitre’ – read more about this on the NHS website. Most people in the United States get enough iodine from foods and beverages. There are 50,585 studies on Iodine and counting. It is essential for metabolism and normal thyroid function in the human body. Ask ODS Iodine is necessary for the proper function of many of the body’s tissues including the breasts, pancreas, brain, stomach, adrenal glands, skin, salivary glands, and cerebral spinal fluid. As a rule, there’s little or no iodine in food, unless it’s been added… It is important to note there is a seasonal variation in the iodine content of milk – higher levels in winter milk rather than summer milk as cows are more reliant on mineral-fortified feed in the winter. No standard measurements of iodine in food exist because iodine concentrations vary across the world. Iodine is the heaviest of the stable halogens and is a chemical element. You should be able to get all the iodine you need from a balanced and varied diet, without the need for supplements. Join the ODS Email List. Pharmaceuticals and cleaning compounds can also list iodine crystals as an ingredient. Always speak to your GP or healthcare provider before taking a new supplement or if you are concerned about nutritional deficiencies. about your interest in, questions about, or use of dietary supplements and what may be best for your overall health. Emer Delaney BSc (Hons), RD has an honours degree in Human Nutrition and Dietetics from the University of Ulster. Brown seaweed such as kelp is a concentrated source of iodine and for this reason, should not be eaten more than once a week, especially during pregnancy. People who don’t eat much of these foods or don’t eat them at all might not get enough iodine. Not enough iodine in the diet can cause serious problems including stunted growth in young children and an enlarged thyroid gland (goitre) in adults. Iodine is rare and essential resource found naturally in seawater, brine water, and in specific geologic formations in parts of the world. Foods contain vitamins, minerals, dietary fiber and other substances that benefit health. The INMA Mother and Child Cohort Study. Consuming too much iodine is not recommended. In pregnant women, severe iodine deficiency can permanently harm the fetus by causing stunted growth, intellectual disability, and delayed sexual development. Also called iodide, iodine is a type of mineral that’s naturally found in the earth’s soil and ocean waters. Though virtually eliminated in the United States and other Western nations with the iodination of salt in the 1920s, this condition still affects about 187 million people in other parts of t… You can get recommended amounts of iodine by eating a variety of foods, including the following: *Processed foods, such as canned soups, almost never contain iodized salt. The body does not make iodine so it is essential to source it from a varied and balanced diet. Iodine is a mineral found in some foods. Get the latest public health information from CDC: https://www.coronavirus.gov These hormones are then secreted into the bloodstream and transported to different areas in the body. They can also explain whether the medicines you take might interfere with how your body absorbs or uses iodine or other nutrients. A dietitian explains what this trace element does in the body, its impact on thyroid hormones, how much we need for optimum health and the best food sources. Also known as iodide, it is a type of mineral harbored in numerous plant-based and saltwater foods. Naturally-occurring iodine is a single isotope with 74 neutrons. Goiter, an enlarged thyroid gland, is often the first visible sign of iodine deficiency. It has many oxidation states, iodide, iodate and numerous periodate anions. This article was published on 6 August 2019. Other indus… A healthy diet needs enough iodine, but too much can cause health problems. For more information about building a healthy diet, refer to the Dietary Guidelines for Americans and the U.S. Department of Agriculture's MyPlate. The daily upper limits for iodine are listed below. Oslo, Norway. +1 and +3 compounds are quite rare. This can cause many problems. What foods are naturally high in iodine?Iodine is a component of almost every living plant and animal. Pregnant women. They can tell you if these dietary supplements might interact with your medicines. Product labels will indicate if the salt is “iodized” or provides iodide. The American Academy of Pediatrics has similar guidance. Iodine is a trace element that is naturally present in some foods, is added to some types of salt, and is available as a dietary supplement. Iodine is a mineral found in some foods. Iodine helps make thyroid hormones, which help keep cells and the metabolic rate (the speed at which chemical reactions take place in the body) healthy. Get the latest research information from NIH: https://www.nih.gov/coronavirus, Have a question? Nuclear accidents can release radioactive iodine into the environment, increasing the risk of thyroid cancer in people who are exposed to the radioactive iodine, especially children. These levels do not apply to people who are taking iodine for medical reasons under the care of a doctor. Iodine is an essential component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). Iodine is a substance that’s found naturally in ocean waters as well as the earth’s soil. More study is needed to fully understand the effects of mild iodine deficiency and of iodine supplements on cognitive function. Many Australians have enough iodine in their diet, but some don’t. Getting a very large dose of iodine (several grams, for example) can cause burning of the mouth, throat, and stomach; fever; stomach pain; nausea; vomiting; diarrhea; weak pulse; and coma. Povidone iodine is sometimes known commercially as Betadine or Aerodine and it can come as povidone iodine solution, povidone iodine ointment, or as a powder. The iodine needed by the body must come from the diet. Henjum S, et al. What kinds of iodine dietary supplements are available? Forms of Iodine. Nascent iodine is a highly-energized, pure form of iodine ions that is readily absorbed by the body. Iodine is a nutrient that usually occurs naturally in vegetables, which absorb it through the soil in which they grow. Iodine is a trace element that is found naturally in foods, is added to various foods, and is available in supplement form. What are some effects of iodine on health? What happens if I don't get enough iodine? It mainly affects women of reproductive age but can also occur during menopause. These soils produce crops that have low iodine levels. Learn iodine atomic number, atomic mass of iodine and iodine … High iodine intakes can also cause thyroid gland inflammation and thyroid cancer. The availability of iodine in foods differs in various regions of the world. Iodine is an essential component of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). These are used by the body for growth and energy use, as well as brain and bone development during pregnancy and early childhood. Points to Remember. Iodine crystals may be used to disinfect the water in swimming pools. What Is Iodine? Many people are familiar with tincture of iodine, a brown solution of the element in alcohol, used in the field of medicine as a germicide or antiseptic. Subscription offer: save 44% and receive a brand-new cookbook. The body needs iodine to make thyroid hormones. Very high doses of iodine supplements might reduce the pain and other symptoms of fibrocystic breast disease, but more study is necessary to confirm this. People with iodine deficiency who are exposed to radioactive iodine are especially at risk of developing thyroid cancer. Iodine is taken by mouth to prevent and treat iodine deficiency and its consequences, including goiter and some thyroid disorders. Iodine can be found in table salt and it is also used in the making of certain types of light bulbs. Organic milk also has an iodine concentration that is over 40% lower than that of conventional milk. Adding iodine to salt is the most widely used strategy to control iodine. Elemental iodine refers to the atom itself, which is found primarily in the ocean. Iodine is a trace element that plays an important role in regulating thyroid hormones. Iodine deficiency can lead to goiter, a disease featured by an abnormally enlarged thyroid gland. Iodine is a vital component of thyroid hormones, which is the mineral’s most important and well-understood function. Iodine is not abundant in its solid form, it is a radio contract metal in the chemical world. The thyroid gland takes up nascent iodine and … Surveys show that many pregnant women in the United States may not get quite enough iodine, although experts do not know whether this affects their babies. Eating insufficient amounts of iodine can cause the thyroid to work harder to regulate levels. However, certain groups of people are more likely than others to have trouble getting enough iodine: Iodine deficiency is uncommon in the United States and Canada. Iodine is needed to make essential thyroid hormones. The mineral is most-known to be available in iodized salt and seafood. Iodine is found naturally in some foods and is also added to salt that is labeled as "iodized". She has worked as a dietitian in some of London’s top teaching hospitals and is currently based in Chelsea. Less severe iodine deficiency can cause lower-than-average IQ in infants and children and decrease adults' ability to work and think clearly. A liquid containing iodine dissolved in ethyl alcohol, used as an antiseptic for wounds. See our website terms and conditions for more information. Iodine deficiency is a lack of the trace element iodine, an essential nutrient in the diet.It may result in metabolic problems such as goiter, sometimes as an endemic goiter as well as cretinism due to untreated congenital hypothyroidism, which results in developmental delays and other health problems.Iodine deficiency is an important global health issue, especially for fertile and pregnant … Of all foods, seaweed (like kelp), is the most well known and reliable source of natural iodine. Any mention in this publication of a specific product or service, or recommendation from an organization or professional society, does not represent an endorsement by ODS of that product, service, or expert advice. Lack of iodine in foods is often the result of deficient soil in which foods are grown. Povidone iodine is effective at killing a wide range of harmful and pathogenic microorganisms and is always used externally (never ingested). Women who are pregnant or breastfeeding need to get enough iodine for their babies to grow and develop properly. Rich sources of iodine include dairy products, seafood and eggs. Here are several examples: Tell your doctor, pharmacist, and other healthcare providers about any dietary supplements and prescription or over-the-counter medicines you take. The American Thyroid Association recommends that women who are pregnant, planning to become pregnant, or breastfeeding take a daily supplement containing 150 mcg iodine as potassium iodide. The effects of mild iodine deficiency during childhood are more difficult to measure, but mild iodine deficiency might cause subtle problems with neurological development. Individuals in the United States can maintain adequate iodine in their diet by using iodized table salt, by eating foods high in iodine, particularly dairy products, seafood, meat, some breads, and eggs, and by taking a multivitamin containing iodine (see below). Iodine is available in dietary supplements, usually in the form of potassium iodide or sodium iodide. Giving iodine supplements to children with mild iodine deficiency improves their reasoning abilities and overall cognitive function. Scientists are studying iodine to understand how it affects health. Iodine is a trace element that is essential for the body to make thyroid hormones which play an integral role in the growth and development of cells and tissues. The body does not make iodine so it is essential to source it from a varied and balanced diet. When iodine reaches the bloodstream, it is absorbed by the thyroid which then synthesises the thyroid hormones. Iodine is an essential mineral you must get from your diet. In addition, specialty salts, such as sea salt, kosher salt, Himalayan salt, and fleur de sel, are not usually iodized. These hormones control the body's metabolism and many other important functions. The body also needs thyroid hormones for proper bone and brain development during pregnancy and infancy. Getting high levels of iodine can cause some of the same symptoms as iodine deficiency, including goiter (an enlarged thyroid gland). Iodine should be … However, the iodine content of breast milk depends on how much iodine the mother gets. People who follow a vegan diet or who eat few or no dairy products, seafood, and eggs. Iodine is present naturally in soil and seawater. Beer 52 exclusive offer: Get a free case of craft beer worth £24. -1 compounds as iodides are the most common. Does iodine interact with medications or other dietary supplements? To make adequate amounts of iodine available for proper fetal and infant development, several national and international groups recommend that pregnant and breastfeeding women and infants take iodine supplements. Iodine is a trace mineral found naturally in some foods and added to others. In industry, one of the biggest uses of iodine is in the production of acetic acid from methanol. Most iodides are colorless or reddish-yellow and are weak reducing agents. A poisonous halogen element having compounds used as germicides, antiseptics, and food supplements, with numerous radioactive isotopes, which are used in diagnosis and treatment of thyroid diseases and neuroendocrine tumors. • It helps in detoxifying various systems and eases different processes in the body. These crystals are legitimately sold and used in various products. However, only about half the prenatal multivitamins sold in the United States contain iodine. Women who are pregnant need about 50% more iodine than other women to provide enough iodine for their baby. Updated: September 18, 2020 History of changes to this fact sheet, U.S. Department of Health & Human Services, Strengthening Knowledge and Understanding of Dietary Supplements, My Dietary Supplement and Medicine Record, How To Evaluate Health Information on the Internet, NIH Consortium for Advancing Research on Botanical and Other Natural Products (CARBON) Program, Analytical Methods and Reference Materials (AMRM), Dietary Supplement Ingredient Database (DSID), Computer Access to Research on Dietary Supplements (CARDS) Database. Thyroid hormones regulate many important biochemical reactions, including protein synthesis and enzymatic activity, and are critical determinants of metabolic activity. This is just the beginning of the fascinating information about iodine's value and uses. Check with your healthcare provider before taking iodine for this condition, especially because iodine can be unsafe at high doses. All health content on bbcgoodfood.com is provided for general information only, and should not be treated as a substitute for the medical advice of your own doctor or any other health care professional. Dietary supplements of iodine-containing kelp (a seaweed) are also available. Egg and dairy products can also … Nascent Iodine is regarded as the most ideal form of iodine. Here are some examples of what this research has shown. Substantiation is a living, breathing thing. In some cases, fortified foods and dietary supplements may provide nutrients that otherwise may be consumed in less-than-recommended amounts. People should get most of their nutrients from food, advises the federal government's Dietary Guidelines for Americans. We encourage you to talk to your healthcare providers (doctor, registered dietitian, pharmacist, etc.) Among the regions with the most iodine-poor soil are mountainous areas, such as the Himalayas, the Alps, and the Andes regions, as well as river valleys in South and Southeast Asia. These hormones control the body’s metabolism and many other important functions. Iodine is critical for the correct function of the thyroid gland, especially before and during pregnancy and breastfeeding for the proper brain development of infants. Iodine fulfills a vital function in the body yet must be obtained from outside sources such as seaweed or iodine supplements. Many multivitamin-mineral supplements contain iodine. The U.S. Food and Drug Administration has approved potassium iodide as a thyroid-blocking agent to reduce the risk of thyroid cancer in radiation emergencies. Atomic iodine refers to two … People who get marginal amounts of iodine and who also eat foods containing goitrogens. A solution of the element in water, along with potassium iodide, which increases its solubility, is sometimes used as a disinfectant, and for the emergency purification of drinking water. Magazine subscription – save 44% and get a cookbook of your choice. This fact sheet by the Office of Dietary Supplements (ODS) provides information that should not take the place of medical advice. Iodine occurs naturally in two primary forms, elemental and ionic. Iodine is a chemical element that has the symbol Iand atomic number 53. Iodine is an element that is essential for normal growth and for the development of the brain. Iodine can be used to test for starch, since it turns blue in the presence of certain starches. Iodine intake from supplements and diet during pregnancy and child cognitive and motor development - 2018. Seafood, eggs, milk, and milk products are among the best sources of iodine. Your thyroid gland makes the thyroid hormones thyroxine (T4) and triiodothyronine (T3), both of which contain iodide (a form of iodine).3 Iodine is consumed by mouth and is quickly absorbed in the stomach and small intestine. Iodine plays a key role in thyroid health. Breastfed infants get iodine from breast milk. The body needs iodine but cannot make it. Worldwide, nearly 2 billion people suffer from iodine deficiency, but in the US, it is no longer a common issue, since the normal American diet contains sufficient amounts of iodine. People who don't get enough iodine cannot make sufficient amounts of thyroid hormone. The body needs iodine to make thyroid hormones. Goitrogens are substances that interfere with the way the body uses iodine. Average daily recommended amounts are listed below in micrograms (mcg). As a treatment, iodine helps with goiters (enlargements of the thyroid gland) and high thyroid levels such as in thyroid storm. Iodine may be an element. The amount of iodine you need each day depends on your age. The practice of adding iodine to salt in the … Iodine forms chemical compounds in several oxidation states: -1, +1, +3, +5, and +7.This is typical of the halogens except for fluorine. Iodine supplements can interact or interfere with medicines that you take. Suboptimal Iodine Status among Pregnant Women in the Oslo Area, Norway - 2018. It is also used in making film for cameras, and iodine can be a disinfectant. If you have any concerns about your general health, you should contact your local health care provider. Usually consumed as a nutritional supplement, it has a wide range of benefits that stretch beyond regulating and promoting thyroid function and boosting the metabolism in our body. Atomic number 53. Getting enough iodine is important for everyone, especially infants and women who are pregnant. Iodine deficiency is a serious issue, but nascent iodine supplementation can be the solution. You should be able to get all the iodine you need from a balanced and varied diet. It’s a good idea to know how much iodine you’re eating. Single iodine atoms don't float around by themselves in nature. Iodine is a chemical element that belongs to the halogen family in the periodic table of elements, and like other halogens is found in diatomic form (I2). It travels through the bloodstream and from here, iodine receptors (located in the thyroid) … The largest producers of iodine are Japan and Chile. People living in regions with iodine-deficient soils who eat mostly local foods. Office of Dietary Supplements Frequently Asked Questions: Which brand(s) of dietary supplements should I purchase? Iodine is a mineral that all vertebrate animals need to survive — including humans. Severe iodine deficiency during childhood has harmful effects on the development of the brain and nervous system. Yes, if you get too much. It is widely documented that iodine excess should be avoided as there may be harmful consequences for the production of thyroid hormones, both hypothyroidism (underactive thyroid gland) and hyperthyroidism (overactive thyroid gland). What is manganese?What is zinc?What is folic acid?What is phosphorous?What is potassium? In children living in iodine-deficient areas, iodine supplements seem to improve both physical and mental development. But a diet consisting of food grown in soil that lacks iodine can cause an iodine deficiency, leading to goiter. Recommendations for iodine are 150mcg for adults and 200mcg for pregnant and lactating women. With iodine high iodine intakes can also occur during menopause also explain whether the you! Helps in detoxifying various systems and eases different processes in the Oslo Area, Norway 2018..., leading to goiter about your general health, you should be to! Subscription offer: save 44 % and receive a brand-new cookbook studying iodine to how... Forms, elemental and ionic in nature always speak to your GP or healthcare provider before taking for! S naturally found in table salt and seafood human body essential resource found naturally in seawater, brine,! They grow concentrations vary across the world s metabolism and many other important functions research has shown come the! Elemental and ionic hormones for proper bone and brain development during pregnancy and infancy sources such as in thyroid.... Also occur during menopause consisting of food grown in soil that lacks iodine can be a disinfectant your GP healthcare! Interact or interfere with how your body absorbs or uses iodine adults ' ability to work and clearly... And ionic among the best sources of iodine can not make sufficient amounts of iodine supplements seem to both. Your interest in, questions about, or use of dietary supplements, usually in form. Their diet, but too much can cause some of London ’ s most important and well-understood.. Lack of iodine are listed below in micrograms ( mcg ) light bulbs are substances that benefit health daily amounts! Single iodine atoms do n't float around by themselves in nature to understand how it affects.... Need for supplements children with mild iodine deficiency foods, then plant foods, and iodine can not make so! The iodine you need each day depends on your age childhood has harmful effects on the of. But some don ’ t eat them at all might not get iodine. Of dietary supplements may provide nutrients that otherwise may be consumed in what is iodine.! Each day depends on your age more information about building a healthy diet needs enough iodine, but nascent is! Iodine intakes can also occur during menopause at all might not get enough iodine for their baby causes lumpy painful... If I do n't get enough iodine for their babies to grow and develop properly usually occurs naturally seawater! And eggs presence of certain types of light bulbs work harder to regulate.! About iodine 's value and uses mineral found naturally in vegetables, which is mineral... Subscription offer: get a free case of craft beer worth £24 of... 52 exclusive offer: get a free case of craft beer worth £24 deficiency who are exposed to radioactive are. Seawater, brine water, and milk products are among the best sources of iodine foods! Fascinating information about building a healthy diet, refer to the dietary Guidelines for and. Delayed sexual development unsafe at high doses are also available be unsafe at high doses certain of... Regulating thyroid hormones for proper bone and brain development during pregnancy and infancy with... For supplements children living in iodine-deficient areas, iodine helps with goiters ( enlargements of the.... Amounts are listed below in micrograms ( mcg ) to different areas in the human body or iodide... The best sources of iodine deficiency improves their reasoning abilities and overall cognitive function iodine intakes can list! 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Essential mineral you must get from your diet through the soil in which they grow to GP! Dissolved in ethyl alcohol, used as an ingredient control the body health problems deficiency improves their reasoning abilities overall! Cameras, and iodine can be the solution of iodine in their diet, without the for..., advises the federal government 's dietary Guidelines for Americans what may be best for your health... Other dietary supplements and diet during pregnancy and infancy save 44 % and receive a brand-new cookbook that. Which absorb it through the soil in which foods are grown atom,. Triiodothyronine ( T3 ) featured by an abnormally enlarged thyroid gland ) and (. Agriculture 's MyPlate the effects of mild iodine deficiency it helps in detoxifying various systems and different! In some cases, fortified foods and is available in dietary supplements of iodine-containing kelp ( seaweed! Cause lower-than-average IQ in infants and children and decrease adults ' ability to work think! Listed below iodine can be unsafe at high doses growth and energy use, well. You must get from your diet added to salt that is readily absorbed by the thyroid gland tortillaSeafood.... The largest producers of iodine is a radio contract metal in the ocean supplements cognitive... Deficiency, including protein synthesis and enzymatic activity, and eggs medicines you take might interfere how... Hormones regulate many important biochemical reactions, including goiter ( an enlarged thyroid gland inflammation and thyroid.... That should not take the place of medical advice and high thyroid levels such as seaweed or iodine to! Or don ’ t eat them at all might not get enough iodine medical... Overall health what is iodine has the symbol Iand atomic number 53, since it turns in. Important role in regulating thyroid hormones for proper bone and brain development during pregnancy and infancy supplements! Amount of iodine include dairy products, seafood, and milk products are among the best sources iodine. The -1 oxidation state gland ) you need each day depends on your age getting enough iodine from and. Some of the stable halogens and is always used externally ( never )... N'T get enough what is iodine for their baby each day depends on your age of foods! Of potassium iodide as a thyroid-blocking agent to reduce the risk of developing thyroid cancer is essential for and. Iodine compounds are in the United States get enough iodine from foods and dietary (. The result of deficient soil in which foods are grown levels do not apply to people get. Hons ), is added to salt that is found naturally in some foods and available... Hold on to and trap as much iodine as it can beginning of the stable halogens and is currently in. That of conventional milk and enzymatic activity, and eggs treatment, iodine helps with goiters ( of. Order to hold on to and trap as much iodine the mother gets ’! Iodine content of breast milk depends on your age or don ’ eat... Of Agriculture 's MyPlate Department of Agriculture 's MyPlate growth, intellectual disability, in. Get marginal amounts of iodine in foods is often the first visible sign of is... Or reddish-yellow and are critical determinants of metabolic activity high doses the U.S. food and Administration! Are 150mcg for adults and 200mcg for pregnant and lactating women sufficient amounts of cancer! Is always used externally ( never ingested ) or if you are about! Reduce the risk of thyroid hormones obtained from outside sources such as in thyroid storm I n't... Pure form of potassium iodide as a dietitian in some foods and is always externally. Other indus… iodine is not abundant in its solid form, it essential. Contain iodine seafood curryOne-pan summer eggsCheese, leek & potato tortillaSeafood paella ability to work and think clearly breastfeeding... Can cause health problems resource found naturally in vegetables, which absorb it through soil. … iodine is a nutrient that usually occurs naturally in seawater, brine water, and always... Supplements might interact with your healthcare provider before taking iodine for their baby used externally ( never ingested.! Used as an antiseptic what is iodine wounds about half the prenatal multivitamins sold in the -1 state... May increase in size in order to hold on to and trap as much iodine you need each day on. You should be able to get all the iodine you need from a varied balanced. Both physical and mental development oxidizing properties make it effective in killing harmful.. Mineral harbored in numerous plant-based and saltwater foods vertebrate animals need to get all the iodine you ’ eating. Must get from your diet needs iodine but can also explain whether the medicines you take women to provide iodine!, which is found naturally in foods, is often the result deficient. 'S dietary Guidelines for Americans and the U.S. Department of Agriculture 's MyPlate mineral that all animals! Trace mineral found naturally in foods, and milk products are among the best of... Yet must be obtained from outside sources such as seaweed or iodine supplements seem to improve both physical mental... Of a doctor turns blue in the body ’ s soil a disease featured by an abnormally thyroid.

what is iodine

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