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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 form a …

  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 such as...

  3. 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.

  4. Iodine - Health Professional Fact Sheet - Office of Dietary Supplements

    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 hormones …

  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: Main Functions, Recommended Intake & Dietary Sources

    Jan 5, 2026 · Iodine is an essential mineral needed to make thyroid hormones (T3 and T4), supporting metabolism, growth, heart rate, and temperature. Learn recommended daily iodine intake, top food …

  7. 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 diseases.

  8. 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.

  9. 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.

  10. Early Signs of Iodine Deficiency & How it Affects Your Thyroid

    Dec 25, 2025 · Fatigue, minor weight gain, depression, and brain fog may all be early warning signs of iodine deficiency. Iodine is an important trace mineral that is required for thyroid function in your …