or Best Offer. Advertising revenue supports our not-for-profit mission. 258. Lugol's may increase respiratory tract secretions. Chow A, Cai X, Hu S, and Wang X. Iodine deficiencyinduced goiter in central New Jersey: a case series. International efforts since the early 1990s have dramatically reduced the incidence of iodine deficiency worldwide, but some groups of people are still at risk of inadequate iodine intake. Taking potassium iodide with potassium-sparing diuretics, such as spironolactone (Aldactone) and amiloride (Midamor), can increase the risk of hyperkalemia [82]. Price: $Each of Pure Encapsulations iodine capsules provides 225 mcg of iodine, or 150% of the Reference Daily Intake (RDI), in a highly absorbable form called potassium iodide.When it comes to quality, Pure Encapsulations is an industry leader. All products are tested for purity, potency, and safety, and all of their production facilities are FDA certified. Center for Drug Evaluation and Research, Food and Drug Administration. Cholesterol medications: Consider the options. The FDA has approved potassium iodide as a thyroid-blocking agent to reduce the risk of thyroid cancer in radiation emergencies involving the release of radioactive iodine [78]. According to 2019 data from the USDA Branded Food Products Database, approximately 20% of ingredient labels for white bread, whole-wheat bread, hamburger buns, and hot dog buns listed iodate [13]. However, if you have a thyroid problem, a healthcare provider may instruct you to maintain a low iodine diet or supplement your diet with iodine. Potassium iodide was widely used in Poland following the 1986 Chernobyl accident and childhood thyroid cancer rates did not increase substantially in subsequent years [80]. These . Fibrocystic breast disease When iodide enters the circulation, the thyroid gland concentrates it in appropriate amounts for thyroid hormone synthesis and most of the remaining amount is excreted in the urine [2]. During 20072008, NHANES participants aged 6 years and older had a median urinary iodine concentration of 164 mcg/L [36]. An underactive thyroid (hypothyroidism) occurs when your body doesn't make enough thyroid hormones for your body's needs. Development of databases on iodine in foods and dietary supplements. Although the results of these studies are promising, more research is needed to clarify iodines role in fibrocystic breast disease. Ingredients also include plant fiber and silica. If you suspect you have low iodine or may be at risk of developing iodine deficiency, you should consult your healthcare provider to determine whether an iodine supplement is right for you. Both of these hormones contain iodide (a form of iodine). People living in these areas are at risk of iodine deficiency unless they consume iodized salt or foods produced outside the iodine-deficient area. Disorders that cause hypothyroidism. Values lower than 20 micrograms per liter suggest inadequate iodine intake. J Am Diet Assoc. Breast J. Last medically reviewed on January 5, 2021. SOURCES:Fundukian, L.J., editor, The Gale Encyclopedia of Alternative Medicine, third edition, 2009. Make your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine. Benefits of Iodine for Health - Earth Clinic Some research suggests that mild iodine deficiency is associated with subtle neurodevelopmental deficits and that iodine supplementation might improve cognitive function in mildly iodine-deficient children [52]. Iodine functions as a building block of the two main thyroid hormones triiodothyronine (T3) and thyroxine (T4) (2). By Heidi Moawad, MD Iodine deficiency has multiple adverse effects on growth and development, and is the most common cause of preventable intellectual disability in the world [41]. For many years since 1948 they sent us lots of fear messages based on the (recently debunked) "Wolff-Chaikoff Effect" that erroneously claims hypothyroidism is caused by excessive . The following groups are among those most likely to have inadequate iodine status. Clin Endocrinol (Oxf). IOSAT Potassium Iodide 14 Tablets - amazon.com They do not contain gluten, dairy, milk, soy, peanuts, or tree nuts. Lugol's Solution Iodine Also called "strong iodine solution," Lugol's contains 6.3 mg of molecular iodine/iodide per drop. Can You Eat Soy If You Have a Thyroid Condition? As well as iodine, these capsules contain 25 nutrients necessary for a healthy pregnancy. 2010 Aug;140(8):1489-1494. Estimated Average Requirement (EAR): Average daily level of intake estimated to meet the requirements of 50% of healthy individuals; usually used to assess the nutrient intakes of groups of people and to plan nutritionally adequate diets for them; can also be used to assess the nutrient intakes of individuals. A goiter is an enlarged thyroid that is sometimes visible or palpable through the neck. For example, children whose parents had iodine deficiency in pregnancy had reduced scores in reading, spelling, and grammar, independent of other factors known to impact learning. These intakes meet or exceed the EAR for all groups. J Clin Endocrinol Metab. Therefore, some research has evaluated whether iodine supplementation could reduce cancer risk in high-risk populations following some historic nuclear disasters. 2004 Jul-Aug;10(4):328-336. Dairy products contain iodine. Here are 10 signs and symptoms of, Iodine is an important element that your body needs for many of its basic functions. 2007 Dec;10(12A):1532-1539; discussion 1540-1541. World Health Organization. This variability affects the iodine content of meat and animal products because of its impact on the iodine content of foods that the animals consume [14]. National Research Council, Committee to Assess the Health Implications of Perchlorate Ingestion. Iodine deficiency. All of their raw materials and finished products are third-party tested for purity and potency, so you can rest assured youre always getting what you have paid for.These capsules are vegan and free of most major allergens, including gluten, wheat, egg, nuts, and artificial colors and sweeteners. Only 1 left! Nutrients 2017;9:1354. Despite the importance of iodine for proper fetal development, the effects of iodine supplements during pregnancy on infant and child neurodevelopment in particular are inconclusive. TSH secretion increases thyroidal uptake of iodine and stimulates the synthesis and release of T3 and T4. Iodine is quickly absorbed in the stomach and small intestine. [, Charlton KE, Gemming L, Yeatman H, Ma G. Suboptimal iodine status of Australian pregnant women reflects poor knowledge and practices related to iodine nutrition. We include products we think are useful for our readers. In addition, a 2019 study published in Nutrients evaluated educational outcomes in adolescents whose gestational parents had mild iodine deficiency in pregnancy. Newsletter: Mayo Clinic Health Letter Digital Edition, Book: Mayo Clinic Family Health Book, 5th Edition. $11.87. They are available in drops, capsules, and tablets. A small study found that people absorb potassium iodide almost completely (96.4%) [21]. The researchers also reported a dose-dependent reduction in self-assessed pain. Moreover, the doses used in these studies (approximately 1,5006,000 mcg per day) are several times higher than the iodine UL of 1,100 mcg for adults. Methods to assess iron and iodine status. In most people, iodine intakes from foods and supplements are unlikely to exceed the UL [2]. AACE Clinical Case Reports 2015;1:e81-e82. Goiter is usually the earliest clinical sign of iodine deficiency [2]. 2017 guidelines of the American Thyroid Association for the diagnosis and management of thyroid disease during pregnancy and the postpartum. Food Labeling: Revision of the Nutrition and Supplement Facts Labels. In addition, if you have iodine deficiency, you may develop hypothyroidism. On the other hand, in Belarus and Ukraine, where people did not use iodine supplements, thyroid cancer increased significantly among children and adolescents. One-third of people are at risk of iodine deficiency. Antidepressants: Selecting one that's right for you. The randomized, multi-center, controlled, double-blind trial included 188 participants. Am J Clin Nutr. The effects of mild iodine deficiency during childhood are more difficult to quantify. It helps to regulate the production of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). 2009 Nov;90(5):1264-1271. $39.99. 2008 Jun;99 Suppl 3:S2-9. Adequate Intake (AI): Intake at this level is assumed to ensure nutritional adequacy; established when evidence is insufficient to develop an RDA. The effect of supraphysiologic levels of iodine on patients with cyclic mastalgia. Iodine deficiency is one of the most common and preventable world health problems. You May Want to Rethink Salting Your Pasta Water If You Use Tap Water, Goitrogens, Thyroid Disease, and Your Diet, What to Know About Selenium and Your Thyroid, Guide to Dietary Supplements and Thyroid Disease. Public Health Nutr. Hypothyroidism: Should I take iodine supplements? - Mayo Clinic If you've had an iodine deficiency in the past, check with your doctor about regular monitoring of your thyroid hormone levels. The company operates in an FDA-registered facility. Our team thoroughly researches and evaluates the recommendations we make on our site. Am J Clin Nutr. [, Knig F, Andersson M, Hotz K, Aeberli I, Zimmermann MB. If bandaged, let dry first. In this study, researchers randomly assigned 111 women (1850 years of age) with fibrosis and a history of breast pain to receive tablets containing 0 mcg, 1,500 mcg, 3,000 mcg, or 6,000 mcg of iodine per day [76]. [, Perrine CG, Herrick K, Serdula MK, Sullivan KM. Nutritional elements in U.S. diets: results from the Total Diet Study, 1982 to 1986. It is not naturally produced by the body but is contained in many foods. Mountainous areas (e.g., Himalayas, Alps, and Andes regions) and river valleys prone to flooding (especially in South and Southeast Asia) are among the most iodine-deficient regions in the world [5]. Taking potassium iodide with ACE inhibitors can increase the risk of hyperkalemia (elevated blood levels of potassium) [82]. These hormones have essential roles in regulating body weight and maintaining energy. Potassium-sparing diuretics The human body does not naturally produce it, but it is found in some foods. Please note that the writer of this article has not tried these products. For example, commercially available seaweeds in whole or sheet form have iodine concentrations ranging from 16 mcg/g to 2,984 mcg/g [15]. Recommended Dietary Allowance (RDA): Average daily level of intake sufficient to meet the nutrient requirements of nearly all (97%98%) healthy individuals; often used to plan nutritionally adequate diets for individuals. After exposure to radiation, iodine can provide some protection against thyroid damage. When a person takes the right amount of KI at the right time, it can help block the thyroid from absorbing radioactive iodine. Iodine may have other uses. Reduced educational outcomes persist into adolescence following mild iodine deficiency in utero, despite adequacy in childhood: 15-year follow-up of the gestational iodine cohort investigating auditory processing speed and working memory. [, Hollowell JG, Haddow JE. Heidi Moawad is a neurologist and expert in the field of brain health and neurological disorders. Results from a 2010 study however, raise some questions as to the safety of widespread iodine supplementation in areas of relative iodine sufficiency. Dineva M, Fishpool H, Rayman MP, Mendis J, Bath SC. Taken as a whole, these findings indicate that increased public awareness of iodines importance during pregnancy and lactation is warranted and that further research into the effects of iodine supplementation during pregnancy is needed. Pearce EN. 2004;(2):CD003819. Plant-based beverages used as milk substitutes, such as soy and almond beverages, contain relatively small amounts of iodine. Endocr Rev. [, WHO Secretariat, Andersson M, de Benoist B, Delange F, Zupan J. 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. Breast milk contains iodine, although concentrations vary based on maternal iodine levels. Can eating salty foods cause iodine toxicity? They contain three forms of iodine: molecular iodine, sodium iodide, and potassium iodide. Thyroid hormones have the following functions in the body: For the most part, people take iodine to prevent or treat iodine deficiency, which can cause problems with fetal development, cognitive function, and thyroid function. Urinary iodine reflects dietary iodine intake directly because people excrete more than 90% of dietary iodine in the urine [4]. Pregnant women Many dietary supplements that contain iodine are listed in the Dietary Supplement Label Database from the National Institutes of Health [20]. Many multivitamin/mineral supplements contain iodine, often at a dose of 150 mcg , and some, but not all, prenatal supplements contain iodine . To ensure that adequate amounts of iodine are available for proper fetal and infant development, several national and international groups recommend iodine supplementation during pregnancy, lactation, and early childhood. It is sold by weight rather than volume. Iodine is a very important nutrient for sustaining a healthy pregnancy. [, Santiago-Fernandez P, Torres-Barahona R, Muela-Martnez JA, Rojo-Martnez G, Garca-Fuentes E, Garriga MJ, Len AG, Soriguer F. Intelligence quotient and iodine intake: a cross-sectional study in children. In addition, some people use iodine for fibrocystic breasts and to prevent thyroid cancer when exposed to radiation. You might be able to use an OTC supplement. Symptoms may include trouble eating, being excessively sleepy, or having constipation. Cholesterol test kits: Are they accurate? The effect of iodine supplementation in pregnancy on early childhood neurodevelopment and clinical outcomes: Results of an aborted randomised placebo-controlled trial. Iodine is a mineral that helps the body regulate metabolism, the nervous system, thyroid, and more. J Expo Sci Environ Epidemiol. Signs of iodine poisoning include an upset stomach, mouth and throat burning, diarrhea, and vomiting. 10 Uses for Iodine: Do Benefits Outweigh the risks? Certain brands are more expensive than others, but price isnt necessarily a good indicator of quality. However, most salt intake in the United States comes from processed foods, and food manufacturers almost always use non-iodized salt in these foods. They contain cellulose and water. Iodines - Walmart J Clin Endocrinol Metab. 2 Thyroid hormones have the following functions in the body: 3. That study found that where potassium iodide was widely used, thyroid cancer rates did not increase substantially in the following years. Best complex: Swanson Vitamins. $15* from Amazon *Price at time of publishing; check for price changes or sales. It works by destroying overactive thyroid tissue or thyroid cancer cells. In infants and children, less severe iodine deficiency can also cause neurodevelopmental deficits such as somewhat lower-than-average intelligence as measured by IQ [1,42,43]. Supplements containing kelp, a seaweed that contains iodine, are also available. Ten repeat collections for urinary iodine from spot samples or 24-hour samples are needed to reliably estimate individual iodine status in women. [, Kessler JH. Best for kids: SmartyPants Organic Kids Multivitamin. Common sources of iodine include salt, supplements, and foods like vegetables and seafood. It's available in the U.S. as an FDA-approved treatment and a supplement. Foods high in goitrogens include soy, cassava, and cruciferous vegetables (e.g., cabbage, broccoli, and cauliflower). Salt iodization programs, which many countries have implemented, have dramatically reduced the prevalence of iodine deficiency worldwide [2,3]. [. According to the manufacturer, the product is suitable for vegans and is free from gluten, soy, and dairy. Iodine Supplements and Foods Rich in Iodine | Dr. Weil 2008 Oct 4;372(9645):1251-1262. During the weaning period, infants not receiving iodine-containing complementary foods may also be at risk of iodine deficiency, even in countries with iodized salt programs [64,65]. Iodine is an essential mineral that promotes thyroid function. Cell Mol Biol (Noisy-le-grand). Since the body does not make iodine on its own, you need to obtain enough of it in your diet. Through the TDS program, foods that represent the average U.S. diet are purchased and analyzed for several components, including iodine. For pregnant and lactating women in these countries, iodine intakes of 250 mcg/day from both supplements and dietary sources are recommended [3,7]. This happens because the thyroid has too little iodine to make thyroid hormone. Have a question? If you take any medications regularly, talk to your doctor before you start using iodine supplements. Public Health Nutr. Usually, this occurs with exposure to iodine contrast material for medical testing, not from iodine supplements. Fish and seaweed are the foods richest in iodine. [, Aquaron R, Delange F, Marchal P, Lognon V, Ninane L. Bioavailability of seaweed iodine in human beings. Some of these uses are better supported by research than others. This article looks at what iodine does, its benefits, risks, and side effects. Mayo Clinic College of Medicine and Science, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic School of Graduate Medical Education, Mayo Clinic School of Continuous Professional Development, Mayo Clinic on Incontinence - Mayo Clinic Press, NEW Mayo Clinic on High Blood Pressure - Mayo Clinic Press, Mayo Clinic on Hearing and Balance - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press, Financial Assistance Documents Minnesota. Learn more here. In a study of 57 healthy lactating women from the Boston area, median breast milk iodine content was 155 mcg/L [63]. Directions. Iodine nutrition in the United States. You also want to inspect the ingredient label. This article discusses the benefits of iodine and how much iodine you need. Analyses of NHANES datasets from 2003 to 2014 indicate that a substantial portion of pregnant women in the United States are iodine insufficient. [, Pearce EN. The product does not contain artificial colors or flavors. The serving size of this product is 12 drops daily, which a person can drop on their tongue. Iodine is also present in human breast milk [2,5] and infant formulas [8]. Some subgroups of reproductive age women in the United States may be at risk for iodine deficiency. Anti-thyroid medications, such as methimazole (Tapazole), are used to treat hyperthyroidism. Iodine is naturally found in a variety of foods, such as seafood, dairy products, eggs, and seaweed. [, Pennington JA, Young BE. In fact, for some people with an underactive thyroid, too much iodine can cause or worsen their condition. Femi Aremu, PharmD, is a professional pharmacist with experience in clinical and community pharmacy. Iodine status of pregnant women and women of reproductive age in the United States. Most people should regularly use salt enriched with iodine to get enough in their diet. People who do not use iodized salt Breast tissue has a high concentration of iodine, especially during pregnancy and lactation) [4,75]. https://www.niddk.nih.gov/health-information/endocrine-diseases/hypothyroidism. WebMD does not provide medical advice, diagnosis or treatment. According to the company, this product is kosher, vegan-friendly, and USDA-certified organic. NOW Foods Selenium (yeast-free) Price: $ Dose: 1 capsule (200 mcg of selenium, or 364% of the DV) NOW Foods is a supplement company that offers high quality dietary supplements. Includes a variety of protein foods such as lean meats; poultry; eggs; seafood; beans, peas, and lentils; nuts and seeds; and soy products. [, Zhou SJ, Skeaff SA, Ruan P, Doyle LW, Anderson PJ, Komman L, et al. The ULs do not apply to individuals receiving iodine for medical treatment, but such individuals should be under the care of a physician [2]. According to NHANES 20012006 data, pregnant women who consumed no dairy products in the previous 24 hours had a median urinary iodine concentration of only 100 mcg/L, compared with 163 mcg/L among consumers of dairy [38]. Verywell Health's content is for informational and educational purposes only. 1 offer from $14.95. Indian J Endocrinol Metab. As well as iodine, these drops contain organic vegetable glycerin and purified water. Sometimes, it may not cause any symptoms at all. Fibrocystic breast disease is a benign condition characterized by lumpy, painful breasts and palpable fibrosis. Nutrition. Cognitive function during childhood [, Council on Environmental Health, Rogan WJ, Paulson JA, Baum C, Brock-Utne AC, Brumberg HL, et al. All rights reserved. Tell your doctor about any supplements you're taking, even if they're natural. Later, they also measured the children's intelligence quotient (IQ) at age 8. It depends on many factors, such as the dosage and the severity of a persons iodine deficiency. $19.97. Best beta-sitosterol prostate health supplement NOW Beta-Sitosterol Plant Sterols Price: $$ Dosage: 4 softgels per day Active ingredients: beta-sitosterol, campesterol, sigmasterol, natural fish. J Clin Endocrinol Metab 2010;95:5217-24. 2010 Oct;26(10):963-8. Potassium iodide as a thyroid blocking agent in radiation emergencies. More recent NHANES measurements indicate that urinary iodine levels have stabilized in the general U.S. population. Increasing iodine levels above the recommended amount may cause unwanted side effects, such as: Iodine is most useful in thyroid function and the prevention of thyroid-related health conditions. 2017;9(12):1354. Symptoms of an iodine deficiency include: Find out more about the symptoms of iodine deficiency here. Systematic review and meta-analysis of the effects of iodine supplementation on thyroid function and child neurodevelopment in mildly-to-moderately iodine-deficient pregnant women. [, Zimmermann MB. In pregnant women, iodine deficiency of this magnitude can cause major neurodevelopmental deficits and growth retardation in the fetus, as well as miscarriage and stillbirth [5]. Radioactive iodine is a medical treatment for conditions like thyroid cancer or goiter. J Clin Endocrinol Metab 2019;104:5957-67. As well as iodine, ingredients include hypoallergenic plant fiber. 1996;66(4):350-362. Deficiencies of iron and/or vitamin A may also be goitrogenic [51]. Iodine plays a vital role in thyroid health. Doses of this magnitude should only be used under the guidance of a physician [2]. A person can choose a one-time purchase or choose a money-saving subscription. AACE Clinical Case Reports 2015;1:e40-e44. Both of these hormones contain iodide (a form of iodine). Accessed Aug. 5, 2020. Vegans and people who eat few or no dairy products, seafood, and eggs Kalra S, Unnikrishnan AG, Sahay R. The hypoglycemic side of hypothyroidism. Iodine nutrition in weaning infants in the United States. Personal Communication. National Center for Health Statistics (NCHS). Thanks to a more national food supply, iodized salt, and other factors, overt iodine deficiency is now uncommon in North America. 2006 Oct;16(10):949-951. J Clin Endocrinol Metab. Iodine-deficiency disorders. People living in regions with iodine-deficient soils Thus, the safest option is to stick with supplements that are produced by reputable companies that maintain high manufacturing standards and routinely test their products for purity and potency. Thyroid. Supplements often contain more than the recommended daily amount of a nutrient, so you want to be careful you dont accidentally consume too much. Review/update the 2009 Feb;89(2):668S-672S. Seaweed is an especially good source. [, Zimmermann MB. Read our. Ristic-Medic D, Piskackova Z, Hooper L, Ruprich J, Casgrain A, Ashton K, Pavlovic M, Glibetic M. Methods of assessment of iodine status in humans: a systematic review. Pediatrics 2014;133:1163-6. Long-term intakes above the UL increase the risk of adverse health effects. If you buy through links on this page, we may earn a small commission Heres our process. Many dietary supplements that contain iodine are listed in the Dietary Supplement . The U.S. Food and Drug Administration (FDA) developed DVs to help consumers compare the nutrient contents of foods and dietary supplements within the context of a total diet. 2014;18(1):1-3.doi:+10.4103/2230-8210.126517. Find a Walgreens store near you. To avoid side effects, people can ensure they follow the manufacturers serving suggestions or medical advice from their doctor when taking iodine supplements. . If so, verify that the dose is exactly as prescribed by your healthcare provider. Given the variability in iodine levels in many plant-based foods, some countries have iodine-fortified foods available, such as iodized salt, to prevent deficiencies. Surveys indicate that many pregnant women in the United States might consume insufficient amounts of iodine even if they do not have signs or symptoms of overt iodine deficiency [36]. Hypothyroidism (underactive). How Viagra became a new 'tool' for young men, Ankylosing Spondylitis Pain: Fact or Fiction, Food and Drug Administration (FDA) approval, https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7414329/, https://ods.od.nih.gov/factsheets/Iodine-Consumer/, https://www.fda.gov/consumers/consumer-updates/it-really-fda-approved, https://www.ncbi.nlm.nih.gov/books/NBK519536/, https://pubmed.ncbi.nlm.nih.gov/28829155/, A safer blood thinner? Iodine's most important role is to ensure proper thyroid function. Check out these two articles to help make supplement shopping a breeze: Its important to consult your healthcare provider prior to taking an iodine supplement, as getting too much can lead to very serious side effects. Iodine: Benefits, Side Effects, and Preparations - Verywell Health What is depression? Learn how the tests work, how to read the results, and some of the best tests to. Iodine deficiency, pollutant chemicals, and the thyroid: New information on an old problem. It could cause thyroid problems and other issues. Vegans, people with certain food allergies or lactose intolerance, and others who consume no or minimal amounts of these foods might not obtain sufficient amounts of iodine [49,50]. That's more than twice as much as most adults need each day. More than 1,100 micrograms of iodine a day for adults can be dangerous. Below are some common questions about iodine supplements. In the U.S., pregnant women have a higher risk of low iodine levels. Beware of 'fake' potassium iodide: FDA - Mar. 18, 2011 - CNN Business People may wish to consider the following when looking for an iodine supplement: Medical News Today chooses products that meet the following criteria: Below is a list of iodine supplements that a person may consider. The body will automatically eliminate excess iodine when you urinate. Iodine deficiency is rare in countries where iodized salt is regularly used. Lugols Oral: Uses, Side Effects, Interactions, Pictures - WebMD Dr. Moawad regularly writes and edits health and career content for medical books and publications. Chronic, severe iodine deficiency in utero causes cretinism, a condition characterized by intellectual disability, deaf mutism, motor spasticity, stunted growth, delayed sexual maturation, and other physical and neurological abnormalities [5].
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