In a study in 18 men the intake of Proviron 25 mg generated maximum serum drug levels of 3. 1 ± 1. 1 nanogram/mL after 1. 6 ± 0. 6 hours. Thereafter, drug levels in serum decrease with a terminal half-life of 12 to 13 hours. Mesterolone is bound to serum proteins by 98%. Binding to albumin accounts for 40% and binding to SHBG (sex hormone binding . 🏆🏆🏆 SHOP OUR ONLINE STORE...