Tweetrun it man. if you are worried about one or the other messing you up then start one low and ramp it up slowly every week until you hit where you want to be sitting. if you are prone to prog sides then have some caber on hand to offset. .5mg mon and thurs if needed and you shouldnt need more than that. i run them both together and have no issues at all and i have ran them quite high. i say pour it on man