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drostanolone

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chzformymac
(@chzformymac)
Posts: 32
Eminent Member
Topic starter
 

hey guys I wanted to ask about drostanolone aka masteron and its anti estrogen effects

I’ve been thinking about adding like 100-125mg of mast prop per week just to help keep estrogen a bit more under control instead of using an AI like anastrozole or something like tamoxifen

has anyone actually tried running it that way and seen it make a real difference or is it still better to just stick with a proper AI when needed

my main cycle would be test prop at 500mg a week and npp at 250mg so both of those can definitely push estrogen up since theyre not dht based

just trying to figure out if mast is actually enough for that role or if it’s more of a minor helper at best and I should plan around using an AI anyway open to any advice or experiences from people who’ve run something similar


 
Posted : 01/05/2026 6:40 pm
10ebbor10
(@10ebbor10)
Posts: 5
Active Member
 

mast can definitely make you feel drier and sometimes smooth out high e2 sides a bit but man it is not some magic AI replacement especially with 500 test plus npp in there. at that dose id personally never trust mast alone unless you enjoy playing estrogen roulette. for me mast was more like a nice little buffer but actual bloodwork still decided whether aromasin came out or not.

 
 

 
Posted : 02/05/2026 8:22 am
RustyCompass91
(@rustycompass91)
Posts: 19
Eminent Member
 

mast always made me feel way better estrogen wise but i wouldnt trust it as the only thing keeping 500 test and npp in check lol. for me it kinda softened the high e2 feeling but if things actually got outta hand i still needed a tiny bit of ai here and there


 
Posted : 13/05/2026 8:00 pm
Tangen2711
(@tangen2711)
Posts: 5
Active Member
 

mast definitely changes the vibe of the cycle but i wouldn’t fully trust it as your only estrogen control with that setup personally. always nice having a real ai ready just in case things start getting weird


 
Posted : 14/05/2026 7:18 pm
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