im starting my first cycle soon of test c at 500 milli and 1 month of dianbol at 30mgs. i have letro and wanted to know if i should take this threw the whole cycle at .5 eod. or just take it when i feel like my nips are getting sore. i feel i am alittle estrogen senestive on cycle cause i have ran prohormones before and now have two small lumps because of poor knowledge. what u guys think?