
Thyroid: Why TSH Alone Misses Most of the Problem
One number is used to rule the whole system in or out, and it sits two steps upstream of anything you would actually feel.
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One number is used to rule the whole system in or out, and it sits two steps upstream of anything you would actually feel.

Required to activate thyroid hormone and to run the body's own antioxidant system — with a therapeutic range tighter than most minerals.