And specifically, sea salt tends to be low in Iodine. "Iodine, an element essential for human health, is present only in small amounts in sea salt,[1]" (cribbe

And specifically, sea salt tends to be low in Iodine. "Iodine, an element essential for human health, is present only in small amounts in sea salt,[1]" (cribbed from Wikipedia) [1]: http://pubs.acs.org/doi/full/10.1021/es0719071 http://pubs.acs.org/doi/full/10.1021/es0719071