You are overthinking the fuck out of things. Quit worrying. You've made a post worrying about all kinds of different shit. I dont think you should be using anything until you can get your mind under control
You are overthinking the shit out of it. The androgen receptor competing thing is garbage. Just take what makes sense to you and eat for gains and let the cards fall in their place
I've always found injectobles to be far more effective for thr long haul. Orals give a lot of easy come easy go gains. I ditched them myself years ago for a number of reasons