18 years old is way too young to be using this stuff, and the source ypu used is very questionable which probabaly explains your rash and reaction to it. You need to stop use immediately
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