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Jim, you are obviously on an altruistic mission here, fueled by personal and painful experience.
Of all the "symptoms" you list of hypothyroidism, only one, weight gain, and possibly back pain from myopathy are parts of the disease itself. Hypothyroidism is rarely caused by deficiency of iodine. There are plenty of well referenced medical overviews online.
Goiter is different from hypothyroidism, though they can be associated.
Being born without a thyroid results in cretinism from the lack of thyroid hormones.
You are again invited to join the "All things Medical" group if you want to get the facts straight and possibly to gather a range of informed opinions on the topic.
Or form a political advocacy group!
As I said before, I use only nascent iodine. Read the following: Iodine a Natural Medicine - Nascent Iodine vs. Iodoral, Lugols Also includes a video at the end to show you how to make your own iodine. Here is the one I use: http://www.detoxadine.net/
Detoxadine is a nascent iodine supplement developed by Global Healing Center, also known as GHC. This health company produces only premium quality products designed to support the health of the consumers and to improve their quality of life. Detoxadine is an effective and safe dietary supplement that contains in its formula nascent iodine. This type of iodine is taken from the vegan-friendly sources, from vegetable resources available in the deep sea in its organic form. Due to this reason, the ingredients of Detoxadine have the ability to enter quickly into the blood stream, from where the necessary iodine will be used effectively to support the health of the consumers.
Just remember to take selenium with the iodine. http://www.stopthethyroidmadness.com/selenium/