I haven't dropped below 250mg/wk since late 2013 - I have been "on" since October 2010. for a (roughly) six month period during 2013 I dropped down to 125 -175 mg/wk. I have gone as high as 1200-1400mg/wk if orals are included during short (2-3 month) blasts, but 500-750 mg/wk would be more typical blast for me, at this point I blast once a year, maybe 1.5 times if we want to get technical.
I donated blood at first , but now take daily Naringin to keep RBC/hematocrit under control. I take fish oil and aspirin daily also. I will be turning 50 this year.
Resisting the urge to blast more than once every 9-12 months and accepting that at half a century old "impressive" HAS to be relative.......keeps me alive and healthy.
Also, I limit myself to test- adding deca, dbol, and/ or winny only for blasts. I use an AI (exemastane) 12.5 mg 2x/wk at 250-300mg test/wk.