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]. Results from several studies suggest, for example, that chronic, moderate-to-severe iodine deficiency, particularly in children, reduces IQ by about 1213.5 points [53]. When choosing a nutritional supplement, youll want to consider a variety of factors, including the price, quality, ingredient content, and dosage. Use of iodine-containing dietary supplements remains low among women of reproductive age in the United States: NHANES 2011-2014. 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]. Precautions include maintaining distance from other people while your body gives off radiation. This content does not have an English version. Both of these hormones contain iodide (a form of iodine). However, these effects did not resolve with sufficient iodine intake during childhood. In addition, pregnant people need higher amounts to support thedeveloping fetus. Seaweed (such as kelp, nori, kombu, and wakame) is one of the best food sources of iodine [5]. If you prefer taking supplements sourced from whole food ingredients, you may want to try one of these options, which are made exclusively with iodine from a type of seaweed known as kelp. Thyroid disease: Can it affect a person's mood? Healthline Media does not provide medical advice, diagnosis, or treatment. Currently, about 88% of households worldwide use iodized salt, but iodine insufficiency is still prevalent in certain regions, particularly Southeast Asia, sub-Saharan Africa, and Eastern Europe [47,48]. Arcus senilis: A sign of high cholesterol? drospirenone, eplerenone, lithium, drugs that contain potassium (including supplements such as potassium chloride). Supplements may be needed if you don't get enough in your diet. Natural remedies for depression: Are they effective? [, Perrine CG, Herrick K, Serdula MK, Sullivan KM. 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]. Endocr Rev. Among women of reproductive age, the median urinary iodine concentration in NHANES 20072014 was 119 mcg/L [37]. In addition, a 2019 study published in Nutrients evaluated educational outcomes in adolescents whose gestational parents had mild iodine deficiency in pregnancy. Seaweed is one of the richest natural, plant-based sources of iodine. The FNB has established iodine ULs for food and supplement intakes (Table 3). For precise amounts, check the labels nutritional information. Only 1 left! AACE Clinical Case Reports 2015;1:e81-e82. Healths Harmony Thyroid Support with Iodine - 120 Capsules (Non-GMO)- Ashwagandha Root, Zinc, Selenium, Vitamin B12 . Iodine supplementation improved iodine status (median urinary iodine concentration after supplementation was 145 mcg/L) and significantly improved measures of perceptual reasoning and overall cognitive score compared with children taking a placebo. Other uses mainly include managing thyroid conditions caused by an iodine deficiency. 2010 Feb;24(1):29-38. Then, researchers compared their children's standardized test scores in literacy and math when they were ages 89, 1011, 1213, and 1415 years. Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health. Nutrients. Life Extension - Vitamin D3 with Sea-Iodine 5000 IU - 60 Capsules. Thank you, {{form.email}}, for signing up. Nauman J, Wolff J. Iodide prophylaxis in Poland after the Chernobyl reactor accident: benefits and risks. Medical News Today only shows you brands and products that we stand behind. To avoid side effects, people can follow manufacturer dosage instructions and take care not to exceed the upper iodine intake levels. 2019 Jun 05;11(6):]. Pearce EN. Directions. Dietary supplements containing only iodine are also available, and many contain high doses, sometimes above the UL . 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]. Here are 7 science-backed benefits of eating. 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. Iodine is an essential nutrient that can support brain development and reduce your risk for thyroid disease. If you are eating a healthy, balanced, varied diet, you're . The thyroid is a butterfly-shaped organ in your neck that produces hormones that regulate bodily activities, like metabolism (the conversion of food to energy). Production of T4 increases by approximately 50% during pregnancy [53], requiring a concomitant increase in maternal iodine intake. If you are vegan or have food allergies, read labels carefully to ensure there are no animal products or allergens. Most people get more than enough iodine in their diets. WebMD does not provide medical advice, diagnosis or treatment. 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. If bandaged, let dry first. Iodine supplements have the potential to interact with several types of medications. Personal Communication. 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. The upper limit for iodine differs by age. Cell Mol Biol (Noisy-le-grand). Iodine is quickly absorbed in the stomach and small intestine. However, some groups are at increased risk for a deficiency, including: Some goitrogens include broccoli, cabbage, cauliflower, kale, and strawberries. First, researchers assessed the iodine concentration of 266 pregnant people attending antenatal clinics at the Royal Hobart Hospital in Australia from 1999 to 2000. According to the company, the mini capsules are vegetarian. The effects of mild iodine deficiency during childhood are more difficult to quantify. Am J Clin Nutr. However, consuming a supplement like iodine may have potential side effects. For example, an analysis of 44 samples of nonfat milk found a range of 38 to 159 mcg per cup (with an average of 85 mcg/cup used for Table 2) [8]. 2009 Sep;94(9):3188-3190. It helps . Altern Med Rev. . Can diet help improve depression symptoms? Antidepressants and alcohol: What's the concern? You can find the specific amount of iodine on the label. Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Iodine deficiency has multiple adverse effects on growth and development, and is the most common cause of preventable intellectual disability in the world [41]. This enlargement happens because the thyroid grows so it can try to absorb as much iodine as possible. [, Zimmermann MB. Iodine deficiency. A randomized controlled multicenter trial of an investigational liquid nutritional formula in women with cyclic breast pain associated with fibrocystic breast changes. High intakes of iodine can cause some of the same symptoms as iodine deficiencyincluding goiter, elevated TSH levels, and hypothyroidismbecause excess iodine in susceptible individuals inhibits thyroid hormone synthesis and thereby increases TSH stimulation, which can produce goiter [2,81]. If stomach upset (nausea, vomiting, stomach pain, or diarrhea) continues, check with your doctor. 1998 Oct;83(10):3401-3408. Learn about symptoms and treament. Most. Goiter is often the first clinical sign of iodine deficiency. Nutrition. Iodine reduces thyroid hormone and can kill fungus, bacteria, and other microorganisms such as amoebas. privacy practices. J Nutr. $11.87. Chow A, Cai X, Hu S, and Wang X. Iodine deficiencyinduced goiter in central New Jersey: a case series. J Am Diet Assoc. 2007 Dec;10(12A):1606-1611. Iodine-deficiency disorders. 2009 Feb;89(2):668S-672S. J Clin Endocrinol Metab. He currently practices in Chicago, Illinois. The RDI of iodine for healthy adults is 150 mcg. Additional research is required to fully understand the effects of mild iodine deficiency and iodine supplementation on cognitive function. Best Nascent Iodine Supplement On The Market Produce Thyroid Hormones 1f. 2006 Oct;16(10):949-951. These 9 iodine-rich foods can help keep you healthy. Best for kids: SmartyPants Organic Kids Multivitamin. 2018;27(3):333-340. doi:10.1089/jwh.2017.6406, Nauman J, Wolff J. Iodide prophylaxis in Poland after the Chernobyl reactor accident: benefits and risks. Advertising revenue supports our not-for-profit mission. Most people can meet their iodine needs through food sources. Price: $Designs for Healths Iodine Synergy supplement contains 10,000 mcg of iodine, or 6,670% of the RDI, in the form of potassium iodide, plus 40 mcg of selenium, a nutrient that functions as an antioxidant and aids thyroid hormone metabolism (3).Its vegetarian-friendly and free of most major allergens, including dairy, soy, and gluten. It may also be found in grains and some fruits and vegetables. The manufacturers recommended serving size is 1 capsule taken once or twice per day with a meal. They could interact with lithium and drugs for heart problems, high blood pressure, and thyroid problems. Iodine supplements may provide the most benefit to pregnant people and people who do not get enough iodine from the food they eat, such as those following a vegan diet. American Academy of Allergy, Asthma & Immunology. Keep it away from direct sunlight. All rights reserved. The effect of supraphysiologic levels of iodine on patients with cyclic mastalgia. Research suggests that infants are more sensitive to the effects of iodine deficiency than other age groups, as indicated by changes in their TSH and T4 levels in response to even mild iodine deficiency [54]. [, Fallah R, Du L, Braverman LE, He X, Segura-Harrison M, Yeh MW, et al. Signs of iodine poisoning include: To avoid toxicity, be aware of the appropriate dosage (above) and stay below the safe upper limit established by the Institute of Medicine.