Thyroxine and triiodothyronine content in commercially available thyroid health supplements
The study titled Thyroxine and Triiodothyronine Content in Commercially Available Thyroid Health Supplements analyzed 10 over-the-counter thyroid supplements and found that 9 contained detectable levels of triiodothyronine (T3) ranging from 1.3 to 25.4 μg per tablet, while 5 contained thyroxine (T4) in amounts ranging from 5.77 to 22.9 μg per
June 26, 2025
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