There’s a number of interesting facts about iodine that are not widely known. For example, did you know that thyroid hormones are created not just in your thyroid, but also in a woman's ovaries (thyroid T2), and in the white blood cells of your bone marrow? This is because iodine is not only required for your thyroid, but tissues that absorb and use large amounts of iodine like: Breast Salivary glands Pancreas Cerebrospinal fluid Skin Stomach Brain Thymus I