Iodine is an essential trace mineral crucial for wellbeing. But how much iodine is safe to take daily?
To put it simply, when it comes to taking iodine it is about balanced intake. Not too much, not too little.
This means for healthy individuals taking between 150-300 micrograms daily is considered a safe amount of iodine.
You should avoid taking high doses of iodine unless you are doing this under medical supervision.
How Much Iodine Supports Health Thyroid Function?
Due to it’s vital role in thyroid hormone production it’s important to ensure adequate intake of iodine. A deficiency can lead to iodine induced hypothyroidism, enlargement of the thyroid, and a reduced ability of the thyroid to produce thyroid hormones.
Be aware, a microgram measurement can be abbreviated as ‘mcg’ or ‘µg’ on a label. Secondly, 1000 micrograms equals 1 milligram. If you see milligram, not microgram quantities recommended it is wise to check intake with your healthcare practitioner who can advise if suitable for you.
Like to learn more about finding the best thyroid supplement? Here are Top Five Tips To Help You Find The Best Thyroid Supplement {A Naturopath Explains}
REFERENCES
Australian National Health and Medical Research Council (NHMRC) and the New Zealand Ministry of Health (MoH). Nutrient Reference Values for Australia and New Zealand. Iodine. Link
Farebrother J, Zimmermann MB, Andersson M. Excess iodine intake: sources, assessment, and effects on thyroid function. Ann N Y Acad Sci. 2019 Jun;1446(1):44-65.
National Institutes of Health (NIH), USA. Medline Plus. Herbs and Supplements. Bladderwrack monograph. Last reviewed 02/13/2015. Link
National Institutes of Health (NIH), USA. Medline Plus. Herbs and Supplements. Iodine monograph. Updated 12/12/2017. Link
National Institutes of Health (NIH), USA. Office of Dietary Supplements (ODS). Dietary Supplement Fact Sheet: Iodine. Link
Sang Z, Wang PP, Yao Z, et al. Exploration of the safe upper level of iodine intake in euthyroid Chinese adults: a randomized double-blind trial. Am J Clin Nutr. 2012 Feb;95(2):367-73. PubMed
Saranac L, Zivanovic S, Bjelakovic B, et al. Why is the thyroid so prone to autoimmune disease? Horm Res Paediatr. 2011;75(3):157-65. PubMed
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