Design your own Pre workout Thermogenic

If you could design your own supplement for pre workout what would you put it in?

Using all legal drugs obviously.

Caffeine is a given, so be creative?

Im curious as to what all is new out there that maybe im unaware of as I was talking to a couple places about making a preworkout supplement for us and they asked what we wanted in it, so im asking you guys and girls. You dont know what you dont know, so i would love to hear some things that maybe are new that maybe im unaware of, as I would hate to do a whole run and then find out something new is out and better.

We use to have our own MuscleChemistry Glutamine, and creatine, and BCAA, and im pretty sure schwartzlabs is who done them for us back in the day. But we never did a preworkout and i want to carry something strong that works

Come on, lets hear some

Citrulline Malate: (Dosage 4-8g)
Beta Alanine: (4-6g)
Agmatine: (Dosage 500mg-1g)
Taurine: (Dosage 2g)
L-tyrosine: (Dosage 2g)

Yohimbine for the thermogenic effect
DMAA (if still legal in the U.S)