I am planning on taking 350mg of Test Cyp for 12 weeks and was wondering if I should start my Aromasin AI, 12.5mg EOD, on the first week or wait until say week 4?
if you wait until shit goes wrong then you would have waited too long
as soon as you inject a higher than normal dosage of an aromatizing compound the body the excess will be in your body so you need to start right away. run blood work to balance things
Don't wait until week 4 bro that's preposterous. It takes a good week or two for Aromasin to start doing anything significant for controlling estrogen. Arimidex is a little quicker.
Please post your full stats when asking for cycle advice.