Mesterolone -Proviron
CAS No.: 1424-00-6
Molecular formula: C20H32O2
Molecular weight: 304.47
Assay: 99% min
Appearance: White to off-white crystalline powder
Usage: Proviron is helpful in stacks because of its unique ability to keep the body from turning testosterone into estrogen, thus giving the testosterone a better anabolic effect. Also, Proviron can help boost the potency of testosterone in the body by freeing testosterone from its binding to sex hormone-binding globulin (SHBG).