Hey gyus here's my 2 cents:
I'm 56 and I was on a cycle for 6 weeks on and 6 weeks off but used 1ad/4ad and then 6 oxo for my PCT. I thought I would be able to raise my
test levels up to the mid
normal range. Even before I started my cycle, my test levels which were already low normal (236), never came back to my low normal level after I completed my PCT. So I went to the doctor and he informed me that when you pass 40 t-levels will not respond as effectively after a cycle and if you continue to do cycles will get progressively worse after each completed cycle. So to confirm, he had me have blood work done and my T-level went down to the very low 200's. He then put me on prsecription T- Androgel 5% and I am to see him in a month with another blood test result. If it has not raised my level to the 700 range, he will then up my dosage to either 7.5% or 10%. He said to maintain this level, I will probably have to stay on it indefinately. So before, you start your cycle, please goto the doctor before, with some blood work results to get some answers from him before your attempt a cycle.
Good Luck, Take care and grow. Guiman