You can edit your posts. Ok heres the deal and its two fold. First, when we cruise we have about the same amount of test a 25 yr old has in his system so the relationship between receptors and test is the same. We are no more saturated than the 25 yr old in terms of test to receptor ratio so the blast is still the blast for both groups. Will the blasts be less effective for a guy my age vs a guy 25, I think so to some degree but they may be more accustomed to compounds in general over just the age issue. I tend to mix up the compounds frequently and even change compounds inside a cycle on the shorts if I feel plateau in terms of gear effectiveness if I know I'm dialed in. It seems more effective for me than uping the dose of a given compound. Again with age playing some roll and being accustomed to compounds I may on occasion run a gram and a half on the test side but then often I run an amount the newb would depending on other compounds in the mix. A lot of variables and then that brings me to part 2 of your question and my answer. Receptor saturation is a term over used in my opinion. It is a real thing to some degree but knowing the amount of compound I have ran at times with good responce its tough for me to think someone on a 12 weeker with a half gram could have receptor issues i don't discount it entirely given. We are all different but I tend to thing 99 times out of 100 we are more than likely talking about a saturation of binders, mostly sex hormone binding globulin robbing up test and killing the cycle results. This leads many many people to think they have spent receptors but that same person can often really up the water intake, drop the salt and bring in an AI treatment. And the cycle blows up. I see it myself ofte n, over night my vascularity dies way way back and I seem to go flat. Increase wtaer, cut salt ,bring in the AI treatment and in a few short day I'm blown up like Branch Warren again. Proof the receptors were fine, just had a "dirty fish tank".