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Why Iodine Is Necessary Regarding Thyroid Function

The thyroid is a gland that regulates development, growth and metabolism, producing hormones that support most systems within the human body. Iodine is a mineral, found most often in oceans, that the thyroid gland needs in order to produce the hormones necessary for proper function.

  1. Iodine and Hormones

    • Hormones that contain iodine ensure the proper development of all organs, the brain and the skeletal structure. In turn, the hormones generate energy and manage the life process while controlling cell oxygen.

    Iodine Absorption

    • The proper amount of iodine is needed for optimal thyroid function. Iodine is absorbed within the thyroid gland follicle at approximately 60 micrograms each day. Optimal thyroid function may require a daily intake of up to 150 micrograms per day. Excessive iodine intake is associated with hypothyroidism and goiter.

    Human Development

    • Children with iodine deficiencies have developed hypothyroidism and can suffer from stunted growth, with maladies including mental retardation as well as movement, hearing and speech impediments. Even mild iodine deficiencies can hamper children's brain development, causing learning disabilities and reduced IQ. The World Health Organization has estimated that approximately 1 billion people are at risk for health problems associated with iodine deficiency. Women with iodine deficiencies have suffered miscarriages and stillbirth and have given birth to children with mental retardation.

    Metabolism

    • Metabolism is regulated through the production of the thyroid hormones. Iodine is essential to the production of the two hormones, T3 and T4, that manage energy levels, weight and body temperature.

    Iodine Food Sources

    • Foods that contain iodine include kelp, seaweed, yogurt, cow's milk, mozzarella cheese, eggs and strawberries.

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