Hi my friend was wondering if deca needs to be used with a form of test because he wasnt sure and neither was I he has been doing sust but wants to try something different to see if he can get better gains off of anything else i suggested test e or test cyp or deca which i heard was really good but i couldnt give him enough info about it or how many shots he would need a week and incase you are thinking I want to do them dont, because I am doing sust since this is my first time doing it and im curious about this also but please help me to learn more about this or if there is a thread that talks about deca please post the link.