IMO doesn’t matter which. Choose one you’ll be motivated to stick with
Sounds like you need some Soviet Sports Supplements lel
Respect for aspiring to optimal training/diet and putting in the time/effort to learn but all you need right now is to lift.
Pretty much whatever you do you’ll have success and for all the effort you put into learning and applying “optimal” principles it won’t make much difference maybe 10%.
A stupid kid popping pills or a dude with some BBC genetics will do much better than you while having no clue what they are doing.
As fun as it is (at least for me) over analysis is at worst just holding you back at this point and at best a waste of time.