What is the weakest AI?

[Marinos]

I'm interested only in lowering my estrogen while on cycle, as appose to cutting it down by a whopping 98 percent or so. Out of curiosity, what is the weakest AI out there?

[ironaddict69]

Arimidex is the one that lowers it 50%
aromasin is 80%
letro is 98%

Id always prefer arimidex, however it makes me really lethargic. Aromasin gave me no sides, and it free's up test. However I get much better gains with excess estrogen, not to mention lowering it kills my joints

[anhukem]

proviron?

[vitor]

Cytadren