AI is tricky. E2 too high a guys feels like shit, too low and he feels like shit. Also have to factor in the E2 to Test ratio and dial it in.
IMO all listed have their ups and downs. In the end: pick one and play with mgs and blood work until you get it figures out.
Both TRT/Compounding Pharmacies I've used offered Adex is their main Aromatase inhibitor (AI) and I've always used Adex .5mgs E3D keeps my right when running 4-700mgs.
That is me.