There has been some discussion about it, and I am sure you can find some information by using the Search option regarding it.
Me personally since Clen really... REALLY gets me goin... I feel like I need the time off to give my body a much needed rest. So after 2 weeks I need a lil bit of off time.
There is no need to try and drag it out 12 weeks like you suggested you might want to do in your other post. If you cant accomplish what you want to in 3 cycles while dieting and cario'n hard, then you may need to re-evaluate your current situation and your prospective goals.
Guys, taurine is great to take when you're on clen or when you're off (every day use). Most studies recommend 3-5g taurine daily (while on clen). I bought bulk taurine and use it religiously.