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Iodine is an essential trace element known for its pivotal role in thyroid health. It is a key component in the synthesis of thyroid hormones, thyroxine (T4) and triiodothyronine (T3), which regulate numerous metabolic processes. Lack of sufficient iodine can lead to hypothyroidism, often signaled by symptoms such as fatigue, unexplained weight gain, and a general sense of lethargy.
Iodine is particularly significant for women. It plays a preventive role against conditions like fibrocystic breast disease and can improve menstrual regularity and fertility. During pregnancy, it becomes even more critical, as it supports the brain development of the fetus, underscoring the need for pregnant women to ensure adequate intake.
The recommended daily allowance for iodine varies depending on demographics: