Sex hormone binding globulin (SHBG) is a glycoprotein that binds to sex hormones, specifically testosterone and estradiol. Other steroid hormones such as progesterone, cortisol, and other corticosteroids are bound by transcortin.


... Why get tested?
To help evaluate whether the concentration of SHBG is affecting the amount of testosterone available to the body’s tissues

When to get tested?
If your total testosterone results seem inconsistent with clinical signs, suggesting a testosterone deficiency or excess production

Sample required?
A blood sample drawn from a vein in your arm
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  • SHBG (Lab Tests Online)