Can Taking Iodine Increase Your Tsh Blood Reading
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This is a reader-friendly overview of Iodine. For more than details, see our health professional fact sheet on Iodine.
What is iodine and what does it do?
Iodine is a mineral found in some foods. The trunk needs iodine to brand thyroid hormones. These hormones command the body's metabolism and many other important functions. The body also needs thyroid hormones for proper bone and encephalon development during pregnancy and infancy. Getting enough iodine is of import for anybody, especially infants and women who are pregnant.
How much iodine practice I need?
The amount of iodine you need each day depends on your age. Average daily recommended amounts are listed below in micrograms (mcg).
| Life Stage | Recommended Amount |
|---|---|
| Nascence to 6 months | 110 mcg |
| Infants 7–12 months | 130 mcg |
| Children one–8 years | 90 mcg |
| Children 9–thirteen years | 120 mcg |
| Teens 14–18 years | 150 mcg |
| Adults | 150 mcg |
| Significant teens and women | 220 mcg |
| Breastfeeding teens and women | 290 mcg |
What foods provide iodine?
Iodine is found naturally in some foods and is also added to salt that is labeled as "iodized". Yous can get recommended amounts of iodine by eating a variety of foods, including the post-obit:
- Fish (such as cod and tuna), seaweed, shrimp, and other seafood, which are more often than not 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 of america and many other countries*
*Processed foods, such as canned soups, nearly never contain iodized salt. In addition, specialty salts, such as sea salt, kosher common salt, Himalayan table salt, and fleur de sel, are not usually iodized. Product labels will point if the salt is "iodized" or provides iodide.
What kinds of iodine dietary supplements are available?
Iodine is bachelor in dietary supplements, usually in the grade of potassium iodide or sodium iodide. Many multivitamin-mineral supplements contain iodine. Dietary supplements of iodine-containing kelp (a seaweed) are also available.
Am I getting enough iodine?
Most people in the Usa get plenty iodine from foods and beverages. However, sure groups of people are more than likely than others to have trouble getting enough iodine:
- People who do not use iodized salt. Calculation iodine to salt is the most widely used strategy to command iodine deficiency. Currently, about 88% of households worldwide use iodized salt.
- Pregnant women. Women who are significant demand about 50% more iodine than other women to provide plenty iodine for their baby. Surveys show that many pregnant women in the United States may not get quite enough iodine, although experts practice non know whether this affects their babies.
- People who follow a vegan diet or who eat few or no dairy products, seafood, and eggs. Seafood, eggs, milk, and milk products are among the all-time sources of iodine. People who don't eat much of these foods or don't eat them at all might not become plenty iodine.
- People living in regions with iodine-scarce soils who eat mostly local foods. These soils produce crops that have low iodine levels. Amid the regions with the most iodine-poor soil are mountainous areas, such as the Himalayas, the Alps, and the Andes regions, besides as river valleys in South and Southeast Asia.
- People who get marginal amounts of iodine and who also eat foods containing goitrogens. Goitrogens are substances that interfere with the way the trunk uses iodine. They are present in some constitute foods including soy, and cruciferous vegetables such as cabbage, broccoli, cauliflower and brussels sprouts. For well-nigh people in the United states who go adequate amounts of iodine, eating reasonable amounts of foods containing goitrogens is not a concern.
What happens if I don't get plenty iodine?
Iodine deficiency is uncommon in the United States and Canada. People who don't become enough iodine cannot make sufficient amounts of thyroid hormone. This can cause many bug. In meaning women, astringent iodine deficiency can permanently harm the fetus by causing stunted growth, intellectual disability, and delayed sexual evolution. Less severe iodine deficiency can cause lower-than-boilerplate IQ in infants and children and decrease adults' ability to work and think clearly. Goiter, an enlarged thyroid gland, is oft the first visible sign of iodine deficiency.
What are some effects of iodine on health?
Scientists are studying iodine to empathize how it affects wellness. Here are some examples of what this research has shown.
Fetal and infant development
Women who are meaning or breastfeeding need to get enough iodine for their babies to grow and develop properly. Breastfed infants get iodine from chest milk. Notwithstanding, the iodine content of breast milk depends on how much iodine the mother gets.
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. The American Thyroid Association recommends that women who are pregnant, planning to get pregnant, or breastfeeding accept a daily supplement containing 150 mcg iodine as potassium iodide. The American Academy of Pediatrics has similar guidance. However, only about half the prenatal multivitamins sold in the United States contain iodine.
Cognitive function during childhood
Severe iodine deficiency during childhood has harmful effects on the development of the brain and nervous system. The effects of mild iodine deficiency during childhood are more hard to measure, merely balmy iodine deficiency might crusade subtle problems with neurological development.
Giving iodine supplements to children with mild iodine deficiency improves their reasoning abilities and overall cognitive part. In children living in iodine-deficient areas, iodine supplements seem to ameliorate both physical and mental development. More than report is needed to fully understand the effects of mild iodine deficiency and of iodine supplements on cognitive function.
Fibrocystic breast affliction
Although not harmful, fibrocystic breast illness causes lumpy, painful breasts. It mainly affects women of reproductive age merely can also occur during menopause. 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. Check with your healthcare provider before taking iodine for this status, especially because iodine tin be unsafe at high doses.
Radiations-induced thyroid cancer
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. People with iodine deficiency who are exposed to radioactive iodine are especially at risk of developing thyroid cancer. The U.Due south. Nutrient and Drug Assistants has canonical potassium iodide equally a thyroid-blocking agent to reduce the risk of thyroid cancer in radiations emergencies.
Can iodine be harmful?
Yes, if yous get likewise much. Getting high levels of iodine tin can cause some of the same symptoms as iodine deficiency, including goiter (an enlarged thyroid gland). Loftier iodine intakes tin can as well cause thyroid gland inflammation and thyroid cancer. Getting a very large dose of iodine (several grams, for example) tin can cause burning of the oral fissure, throat, and stomach; fever; breadbasket hurting; nausea; vomiting; diarrhea; weak pulse; and coma.
The daily upper limits for iodine include intakes from all sources—food, beverages, and supplements—and are listed below. These levels practise not utilise to people who are taking iodine for medical reasons nether the care of a md.
| Life Phase | Upper Limit |
|---|---|
| Nascency to 12 months: | Not established |
| Children 1–iii years: | 200 mcg |
| Children iv–8 years: | 300 mcg |
| Children 9–13 years: | 600 mcg |
| Teens 14–18 years: | 900 mcg |
| Adults: | one,100 mcg |
Does iodine collaborate with medications or other dietary supplements?
Yep. Iodine supplements can interact or interfere with medicines that you accept. Here are several examples:
- Iodine supplements might interact with anti-thyroid medications such as methimazole (Tapazole®), used to treat hyperthyroidism. Taking high doses of iodine with anti-thyroid medications could cause your body to produce too little thyroid hormone.
- Taking potassium iodide with medicines for loftier blood force per unit area known as ACE inhibitors could enhance the corporeality of potassium in your blood to an dangerous level. ACE inhibitors include benazepril (Lotensin®), lisinopril (Prinivil® and Zestril®), and fosinopril (Monopril®).
- The corporeality of potassium in your blood tin can likewise get besides high if you lot have potassium iodide with potassium-sparing diuretics, such as spironolactone (Aldactone®) and amiloride (Midamor®).
Tell your physician, pharmacist, and other healthcare providers about any dietary supplements and prescription or over-the-counter medicines you lot take. They can tell you if these dietary supplements might interact with your medicines. They can also explain whether the medicines y'all take might interfere with how your trunk absorbs or uses iodine or other nutrients.
Iodine and healthful eating
People should get most of their nutrients from nutrient and beverages, according to the federal government'south Dietary Guidelines for Americans. Foods contain vitamins, minerals, dietary cobweb, and other components that do good wellness. In some cases, fortified foods and dietary supplements are useful when information technology is not possible to come across needs for one or more nutrients (due east.g., during specific life stages such as pregnancy). For more than information about building a healthy dietary pattern, see the Dietary Guidelines for Americans 
and the U.South. Section of Agriculture's MyPlate.
Where can I notice out more most iodine?
- For general information on iodine:
- For more communication on choosing dietary supplements:
- Office of Dietary Supplements Often Asked Questions: Which brand(south) of dietary supplements should I purchase?
- For data about building a healthy dietary pattern:
Disclaimer
This fact sheet by the National Institutes of Wellness (NIH) Office of Dietary Supplements (ODS) provides data that should not have the identify of medical advice. We encourage you to talk to your healthcare providers (doctor, registered dietitian, chemist, etc.) most your involvement in, questions about, or use of dietary supplements and what may be best for your overall wellness. Any mention in this publication of a specific product or service, or recommendation from an organization or professional person society, does not correspond an endorsement past ODS of that product, service, or expert advice.
Source: https://ods.od.nih.gov/factsheets/Iodine-Consumer/
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