Thank you very much KelKel, I will follow your recommandation.I was thinking can it make a difference if one is in cotton seed oil (Cyp) and the other in (Enth) is in grape seed oil) Maybe my body doesn't like it....Thanks again I'm so happy that this website exist, I have so much to learn... One last one, do I need Arimidex with the quantity 50mgs every 3.5 days? Thanks again dude...