I posted about an IG HRT doc saying all men should strive for a 2,000ng/dL level, or 70 on the Euro nmol/L scale
My buddy got on HRT a few months ago and he's at 25 
spoke to a guy on FB, hes 63 and jacked.. hes using 500mgs a week, been on that for years, says hes not dropping...
gets blood work done and markers in range ... RBC occasionally high but has blood lets