How Much Selenium is Needed to Prevent Thyroid Problems?
The maximum level of selenium recommended for adults is 400 micrograms per day. This is a relatively small amount, and intake over this could be toxic. It is for this reason that up until recently very few doctors have recommended selenium supplements for thyroid problems. It was not considered likely that people would be deficient in this mineral because of its ubiquity in soil. However, a lot of recent research is showing that people who suffer from the symptoms of thyroid problems also have selenium deficiencies. Europe in particular has selenium-poor soil, and it was in the UK that researchers first found the connection between selenium deficiency and thyroid problems. America was thought to have adequate amounts of selenium in its soil until now. However, some studies have shown that is deficient in nearly all US soil east of the Mississippi, and much of the rest of the nation. In addition to selenium supplements, selenium-rich foods such as kidney, liver, crab, other shellfish, a
