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DavidZavablog

Hormone Therapy and Breast Cancer

David Zava, PhD
ZRT Laboratory President

Free Thyroxine (fT4) (Blood)
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Free Thyroxine (fT4) (Blood)

Price per Unit (piece): $69.00


Thyroxine is the main hormone produced by the thyroid. Free T4 (fT4) measures the bioavailable level of T4 and is a good indicator of thyroid output by the thyroid gland.