When you purchase iodine from the local drug store, it's usually an iodide solution. Unfortunately, because iodine bonds so easily with water, very little exists in the earth's crust. Potassium iodide and iodine are often confused with each other or used interchangeably because of a similar component: iodine. If you have a severe medical condition or health concern, see your physician. Or you may access information for health professionals at https://ods.od.nih.gov/factsheets/Iodine-HealthProfessional. Iodine rarely occurs as the element, but rather as a salt; for this reason, it is referred to as iodide and not iodine. For persons who are iodine deficient, atomic iodine may be an option for increasing iodine levels naturally. Too little iodine during fetal development and childhood can cause developmental concerns. This form of iodine contains a single iodine atom, which does not cause severe damage to tissue. This was discovered by Mr. Lugol in the 1800’s.]. Iodides do have the drawback of requiring additional energy from the body to break the iodide bond to use the iodine. We look forward to helping you understand the difference between iodine and iodine. It combines with tyrosine, an amino acid, to form two of the most important thyroid hormones that regulate metabolism, thyroxine (T4) and triiodothyronine (T3). McNeil, Donald G. Jr. "In Raising the World’s I.Q., the Secret’s in the Salt". You'll be receiving an email shortly. Information and statements made are for education purposes and are not intended to replace the advice of your doctor. All testimonials and product reviews are authentic from actual customers. Current information regarding the nutritional facts about iodine can be found in the National Institute of Health Iodine Fact Sheet, online at https://ods.od.nih.gov/factsheets/Iodine-Consumer. Risk assessments have treated the various forms of iodine as if they were toxicologically equivalent. Ref:  Lecture 23 of Biology 100, University of Maryland, Baltimore County. Although, unless you're in a laboratory setting, it's unlikely you're going to come in contact with elemental iodine. Iodides simply represent a safe form of iodine for ingestion. Worldwide, iodine deficiency affects two billion people and is the leading preventable cause of intellectual disability. Documentation is available for legal inspection. Most fears revolve around effects of iodide on thyroid function. Iodides occur naturally in food derived from the ocean. Get helpful articles, health tips, & natural health remedies straight to your inbox. In this form,iodine can be ingested or applied topically (such as with povidone iodine… The numbers in brackets correspond with the list of references at the end of the article. You can feel confident in knowing that the information within this article is sound. †Results may vary. New York Times (2006-12-16). In an effort to provide a more pure form of iodine, atomic (or nascent) iodine has been developed. Thus, most land-based foods contain little iodine — although produce grown in coastal soil tends to have more. So iodine and iodide are simply different expressions of the same element. So iodine and iodide are simply different expressions of the same element. This article contains references to scientific journals and peer-reviewed research. The human thyroid has an iodine “trap” which captures iodides and holds them until they are converted into triiodothyronine (T3) and its prohormone, thyroxine (T4). In nature, iodine exists as elemental iodine or as an iodide.

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