“Plasma SHBG levels are correlated positively whereas CBG levels are correlated negatively with free thyroid hormone concentrations in men as well as women.“
Eur J Endocrinol. 1995 May;132(5):594-8.
Opposite effects of thyroid hormones on binding proteins for steroid hormones (sex hormone-binding globulin and corticosteroid-binding globulin) in humans.
Dumoulin SC, Perret BP, Bennet AP, Caron PJ.
*** found at http://www.mindandmuscle.net/forum/35-hrt-trt/36043-shbg-free-testosterone-2.html, posted by Dr. Adel Moussa (Physicus007 / ProfDrAndro)
Testosterone binds to albumin or SHBG.