Sex hormone-binding globulin SHBG is a protein produced mainly in the liver. It binds certain hormones, including:. SHBG carries these hormones throughout your bloodstream. Generally speaking, when your SHBG levels are low, your body has more unbound sex hormones available for use. When your SHBG levels are high, your body has fewer free sex hormones at its disposal.
SHBG Blood Test
Low Sex Hormone Binding Globulin - Symptoms and Diagnosis
Sex Hormone Binding Globulin SHBG is a protein produced by the liver which binds to three sex hormones found in both men and women: estrogen , dihydrotestosterone DHT , and testosterone. SHBG carries these three hormones through the blood to where they are needed. Decreased SHBG levels are often seen in cases of hirsutism, acne vulgaris and the polycystic ovary syndrome. SHBG levels may be modestly reduced in hypothyroidism , acromegaly, Cushing's disease and hyperprolactinemia.
SHBG Lab Test Guide – What to do About High Levels, Low levels & More
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.
This is because they repel each other chemically. The same thing is true in our bodies. Our blood is water-based however our hormones, such as estrogen, testosterone, and progesterone, are actually fatty.