was test done early morning, ideally just before 9am and day before test split T3 into 3 smaller doses spread through the day and last dose T3 approx 8-12 hours before test
Have you had thyroid antibodies tested for autoimmune thyroid disease also called Hashimoto’s usually diagnosed by high thyroid antibodies
ESSENTIAL to test vitamin D, folate, ferritin and B12 too
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