Negative Side Effects are dependent on a Variety of Factors.
Age ~ where their Natural Estrogen Levels are before a Cycle.
The Rate at which an Individual Processes's Androgen's to Estrogen or Aromatization ~ this Rate varies greatly with the Individual.
So while you may have a Threshold of 200 Mg a Week.
When I was younger, I was doing 1,200 Mg a Week of Test C, and only running 75 Mg a day of Proviron.
And this was keeping my Estradiol in range, as proven by Bloodwork.
These Days, as I'm much Older, I don't run anywhere near that amount.
It varies with the other Compounds that I am using.
But usually in the 400 Mg to 600 Mg a Week range.
Running 12.5 Mg of Aromasin Every 3 Days @ 400 Mg. a Week.
And EOD @ 600 Mg a week............................................. JP