Bro, no offense, but if you're doing AS you really should know about Arimidex and Femara. I wouldn't even consider doing an AS cycle without one or the other. They work similiarly, but the Femara may be a touch stronger and stays in your system a little longer. Both are anti-estrogens. Unlike Nolvadex, which blocks the receptor sties both of these actually inhibit the production of estrogen. In other words, they prevent the aromatization or conversion of test into estrogen from happening at all. I always also keep some Nolvadex on hand "just in case". If you are already experiencing some gyno symptoms, which it sounds like, you need to start on Nolva RIGHT NOW (and also Arimidex or Femara if you can get some).