Lower Sex Hormone Binding Globulin (SHBG) and Raise Free Testosterone
Only 3% of circulating testosterone (T) is not bound to a carrier protein call sex hormone binding globulin (SHBG), and the unbound “free” portion is the active portion. With aging our SHBG tends to increase resulting in less free T. A common pattern in lab testing is to have a pretty good total T level […]