This. Plus tt-33 by itself is an awesome product for cutting or even to help keep body fat off while bulking. Boosts overall metabolic rate, helps release fatty acids from adipose and burn fat, acts as a protein uncoupling agent.
Since you're running SD and halovar you dont want to add a stim to the mix (ex. blood pressure will already be effected, just to name one of a few reasons to avoid stims on ph's )