Masteron is one of the most used and very best steroids for cutting and pre-contest purposes. It cannot aromatize. It is mg for mg several times more androgenic than testosterone and has a much higher receptor affinity which produce impressive strength gains and an immense vascularized pump and hardness to an already lean physique. It is recommended to stack with testosterone and is often used in combination with one or more of other cutting and hardening steroids, like .Tren-H/Tren-A, winstrol and Anavar. Masteron was originally designed to combat breast cancer and is as such a potent anti-estrogen in itself.