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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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.

  6. Iodine - Element information, properties and uses | Periodic Table

    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 …

  7. 10 Iodine-Rich Foods That Support Thyroid Function and More

    Oct 16, 2025 · Iodine -rich foods can boost your levels of iodine, a mineral that supports thyroid function. Thyroid hormones are necessary for brain, bone, and metabolism development. 1 …

  8. 5 Health Benefits of Iodine

    Sep 7, 2023 · Iodine, also called iodide, helps your body develop and function throughout your entire life, starting in fetal development. It can also help treat or prevent some sicknesses and …

  9. Iodine - The Nutrition Source

    Iodine is an essential trace mineral not made by the body so must be obtained by food or supplements. It is found naturally in some foods and is added to supplements and some salt …

  10. What is iodine and why do I need it? - BBC Food

    Iodine is an essential mineral which we need in small amounts to produce thyroid hormones. The human body contains around 15-20 milligrams of iodine and most of this is stored in the thyroid...