The best replacement for free t4 is total t4.

The best alternatives to free t4 are rated as following:
★★★★★  total t4
★★★★  t4
★★★  tsh
★★  free t3
★  thyroxine
  free t4 index
  bound t4
  free thyroxine

Your alternative for free t4 is not listed? Suggest!
Speaking about free t4, one probably shouldn't forget about normal tsh.

Other search terms related to free t4 and their ratings are:
★★★★★ normal tsh
★★★★★ tsh
★★★★ low tsh
★★ high tsh
★ high free t3
★ elevated tsh
You have in mind a companion for free t4 and it is not yet here? Propose!



Google Trends

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