Why You Should Assure An Adequate Iodine Intake | nutritional supplements florida
Iodine is most known for its relationship to the production of thyroid hormones. Not well known is that iodine also functions as a key antioxidant that protects cell membrane fatty acids from free radical attack. This is important for all cell membranes, however, in the context of disease risk, it is especially important for protection against breast cancer and prostate cancer .
The Japanese population consumes between 1000-3000 micrograms per day , which is derived largely from seaweed and less from fish. In the United States, the upper limit recommendation for iodine is only 1100 mcg per day, with most Americans taking in between 135-340 mcg per day. The 1000-3000 mcg level consumed by the Japanese is a clear sign that people can tolerate more than 1100 mcg without concerns. This amount of iodine is likely to be problematic for only people with hypothyroidism caused by Hashimoto’s disease . After 5 months of treatment, women receiving doses of 3,000 or 6,000 mcg iodine had a significant decrease in breast pain, tenderness, and nodularity compared with those receiving placebo or 1,500 mcg iodine. The researchers also reported a dose-dependent reduction in self-assessed pain. None of the doses was associated with major adverse events or changes in thyroid function test results.
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