Iodine - Wikipedia
Iodine is a chemical element; it has symbol I and atomic number 53. The heaviest of the stable halogens, it exists at standard conditions as a semi-lustrous, non-metallic solid that melts to …
Iodine - Uses, Side Effects, and More - WebMD
Humans cannot produce iodine, so it must be consumed. It is added to some foods and also to salt. Iodine reduces thyroid hormone and can kill fungus, bacteria, and other microorganisms …
Iodine - Health Professional Fact Sheet - Office of Dietary ...
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. Iodine is an essential component of the thyroid …
Iodine | Chemical Properties, Uses, & Applications | Britannica
Dec 12, 2025 · Iodine, chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table.
Iodine Uses: Benefits, Side Effects, Recommendations, and More
Mar 14, 2019 · Iodine is an essential nutrient that can support brain development and reduce your risk for thyroid disease. Here are 10 uses of iodine, plus side effects and recommendations for …
Iodine - Element information, properties and uses | Periodic ...
Iodine is an essential element for humans, who need a daily intake of about 0.1 milligrams of iodide. Our bodies contain up to 20 milligrams, mainly in the thyroid gland. This gland helps to …
Iodine Benefits - Verywell Health
Nov 30, 2024 · Iodine is an essential mineral that helps your thyroid gland produce thyroid hormones. Learn more about the benefits, side effects, and more.