Not only is testosterone not the great savior, estrogen is not the bad guy. Most people, even women, shun estrogen as the evil hormone that makes you bloated and does all sorts of negative things. Although it’s rarely described what exactly the negative effects of estrogen are, most people agree nonetheless that’s it’s bad for your body composition. This is complete nonsense. In my article on hormones and fat loss I explained the positive effects estrogen has on abdominal fat storage, but estrogen does many more awesome things.