I had excellent results taking the Thytrophin vitamin from Standard Process for low thyroid. This vitamin actually rebuilds your thyroid. The thyroid is the most rejuvenating organ in the body. I have more energy now with 3 young children than I did before children.
You can go to http://www.standardprocess.com
to find someone who sells Standard Process in your area because you have to be either an MD, Chiropractor or Nutritionist to sell Standard Process vitamins.
I can't remember my thyroid numbers, but 3 years ago a doctor insisted that I start synthroid (which I never did). Instead I began taking thytrophin and I had my thyroid retested last year and my levels were excellent.