another reason why AI's can be avoided if you know how to properly design a stack and set up your cycles so that other AAS themselves can be used as your ancillaries rather then depending on crappy cancer drugs and things like AI's, Caber, Prami . theirs usually another steroid out there that can counter negative side effects or synergize the cycle rather then depending on traditional ancillaries .
none of my contest prep clients used an AI this contest season.. had one female use a little bit of Nolva but thats it.