AROMATEST: NATURE’S MOST POWERFUL AROMATASE INHIBITOR It’s no secret, testosterone is the holy grail for muscle building and male performance. That’s why bodybuilders and athletes are constantly seeking ways to increase testosterone. Some people choose to do it naturally with supplementation and others rely on androgenic anabolic steroids (AAS). Whether you’re a natural athlete or an AAS-enhanced athlete, if you want to get the best results and build hard dense muscle, you should understand a process known as aromatization.