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 form a …
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 such as...
Iodine - Consumer - Office of Dietary Supplements (ODS)
Iodine is a mineral found in some foods. The body needs iodine to make thyroid hormones. These hormones control the body's metabolism and many other important functions. The body also needs …
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 daily intake.
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 regulate growth …
Iodine: Thyroid Uses, Warnings, Side Effects, Dosage
Iodine is a trace mineral used by the body to produce thyroid hormones. Iodine is not naturally synthesized by the body and must be obtained with dietary intake.