Item No.: LC001974 Product Name: Thyroxine Free Direct T4 Blood Test Brand: Condition: New Regular Price: $37.33 Price:$21.00 Availability: In Stock Below $Email: Share this: Tweet

Product Description:

The thyroid gland produces and secretes T4, otherwise known as thyroxine. Proteins bind to T4 and carry it throughout the bloodstream. Once in the tissues, T4 is released from the proteins and is now free to convert into the more