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 …

Mar 14, 2019 · It’s important to get enough iodine in your diet. It regulates hormones, fetal development, and more. Many saltwater and plant-based foods contain iodine, and this …

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 …

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 is a key component of thyroid hormones, which are required throughout life for normal growth, neurological development, and metabolism. (More information) Insufficient iodine …

Today, iodine has many commercial uses. Iodide salts are used in pharmaceuticals and disinfectants, printing inks and dyes, catalysts, animal feed supplements and photographic …

Oct 30, 2025 · iodine (I), chemical element, a member of the halogen elements, or Group 17 (Group VIIa) of the periodic table. In 1811 the French chemist Bernard Courtois obtained a …

Iodine is an essential constituent of the thyroid hormones, and 80 per cent of the iodine in the mammalian body is found in the thyroid gland. Iodine deficiency disorders (IDD) occur when …

Feb 4, 2025 · Iodine is a trace element and a nutrient found naturally in the body. Iodine is needed for the cells to change food into energy. Humans need iodine for normal thyroid function, and …

Radioactive isotopes, especially I-131, are used as medical tracers and in thyroid disease diagnosis and therapy. Iodine compounds are used as germicides, antiseptics, and dyes.