posted from: http://www.tiredthyroid.com/blog/2015/10/25/are-thyroid-lab-tests-accurate-if-testing-occurs-24-hours-after-the-last-dose/

When should a patient taking T3 test Free T3?  Most forums advise waiting 24 hours after the last T3 dose before testing.  However, some doctors recommend testing 6-8 hours after the last dose.  Will the lapse in time give different results?  Absolutely!  In fact, waiting … Read more…