if you run a short cycle run prop.
longer ester test take time to build up in your system.. think about it this way. if you inject 500mg of test cyp total 2X per week which has lets say a 12-14 day half life.. then after 2 weeks you will have 50% less of the original injection left, but you will have a larger percentage of the newer injections.
to take that further the original 250mg you injected after 2 weeks will be stretched out since that is the half life. and you will be left with 125mg of that original injection. so you see it takes time to build up in the system. with prop the ester is short so it builds up quicker then goes away quicker. so you can shorten your amount of time on
so if you run a longer ester test then you will miss out on peak levels of the stuff, then when you stop injecting it will gradually taper away. you might get a couple weeks of really peak levels on a 6 or 7 week run for example.
hope this makes sense
sustanon confuses a lot of guys cause not only does it taper down like any other AAS but it also tapers up on its own too cause it has 4 different esters that pick up one after the other. and when it tapers down it tapers down a little different cause again it has 4 diff esters. so to answer your question can you use sustanon for 6 weeks? yes.. is it the best way to run it? no. will you get gains from sustanon for 6 weeks? YES... but you will be missing out on peak levels.. most of sustanon is made up of longer esters, so it should be treated like that and not like prop. guys think cause it has prop in it that it should be injected frequently, thats not how it was designed and not how i recommend you use it. i recommend 1-2X per week injections of sustanon. but steve! it has prop and the internet guru's say i should inject prop a lot!.. so what? the prop is a very small amount and has 3 more esters that will pick up one after the other.