What is an SHBG blood test?This test measures the levels of SHBG in your blood. SHBG stands for sex hormone binding globulin. It's a protein made by the liver and attaches itself to sex hormones found in both men and women. These hormones are:Testosterone, the main sex hormone in menDihydrotestosterone (DHT), another male sex hormoneEstradiol, a form of estrogen, the main sex hormone in womenSHBG controls how much of these hormones are delivered to the body's tissues. Although SHBG attaches to all three of these hormones, an SHBG test is mostly used to look at testosterone. SHBG levels can show if there is too much or too little testosterone being used by the body.Other names: testosterone-estrogen binding globulin, TeBG
