We also measure serum selenium and spot urinary iodine levels, and supplement when found low. (bioidenticalhormones101.com)
Ten repeat collections for urinary iodine from spot samples or 24 - hour samples are needed to reliably estimate individual iodine status in women. (nutritionmayhem.com)
According to a 2013 study, 10 countries have iodine excess, 111 countries have sufficient iodine intake, 9 countries are moderately deficient, 21 are mildly deficient, and none are considered severely deficient, as defined by a median urinary iodine concentration of 100 - 299 μg / L in school - aged children (1). (nutritionmayhem.com)