Should you switch pre w/o?

[Pipes]

Should you switch what pre w/o supp you use every so often so you dont build up a tolerance? For example I use jacked 5 days a week. Should I switch to something like asgt or superpump for a month so that I dont build too much of a tolerance?

 

[Killerkanadia]

You should take a week or two off every once in a while. But in my experiences, switching away from a 1,3dimeth stim will help you feel jacked more next time.