Study Cites Benefits but Caution Regarding Iodine

Written by Greg Arnold, DC, CSCS. China’s 16- year program of food fortification with iodine to reduce iodine insufficiency was significantly effective in four cities that had inadequate iodine levels prior to the intake of iodine fortified food; however, the program significantly increased thyroid disorders in 6 cities that already had adequate iodine intake levels.
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Zinc and Selenium Improve Thyroid Function in Obese, Hypothyroid Women

Written by Greg Arnold, DC, CSCS. In this 12-week study of 68 obese female adults with hypothyroidism, those who supplemented with zinc or a zinc-selenium combination had a significant improvement in thyroid hormones (free T3 and T4); however, additional tests are needed to determine if  a combination of selenium-zinc or zinc alone are effective in preventing thyroid dysfunction. (more…)