Iodine - Too Much or Not Enough?

Let's look at some of the facts about iodine.   In the latest issue of a well known equine publication, an article on thyroid dysfunction suggests that "...most equine diets of hay and pasture grass (other than in the Pacific Northwest) contain far more than the daily required level of iodine...", and, in a sidebar, cautions that supplementation of iodine could worsen a suspected thyroid issue. Also overlooked here is the small but important role selenium plays in thyroid function. Go to my latest blog entry - Iodine - Too Much or Not Enough? - to see the full picture.