I was asking the same questions... I've heard good things about it.. I am taking it now the test 4L-A i'm taking it at 500mgs a weeks....but im only 2 weeks into the cycle ... i havent had any problems... some people complain about rashes and pain but i'm mixing it with qv deca at 400mg's...I'll keep you posted on how i feel... if you want pm me and we'll keep in touch and see how it works with me... hope it helps... Quez