alimentazione palestra per aumentare massa muscolare Two other thyroid blood tests you can use will be the total T4 and free T4. The total T4 test has been used to hyper- and hypothyroidism for several years. However, quality results could be troubled by the number of protein inside the blood since thyroxine can bind with protein. The free T4 test might be more accurate at determing thyroxine levels which is not troubled by protein. This is among the function thyroid tests which they can use to observe patients who’ve goiters or complications with fertility. High results may examine an overactive thyroid, while low results may suggest hypothyroidism. quali integratori bodybuilding