Now are these SC injections using a depot in oil? or a suspension in water? I highly doubt they are using a depot in oil for SC injection when this is a counter indicated see: FOR DEEP INTRAMUSCULAR USE ONLY. Yes, I've used slin pin for I.M. injections. unless your a fatass you can still go I.M with a .5 inch pin.
I love it when a person that has never done something tells someone that is doing it that it can't be done. Yes, its oil-based cyp, yes I've been doing it for more than a year, yes, the shots are subQ, yes it works, and yes, I have the blood tests to prove it.
In the study they injected more frequently because it makes for more stable levels of test, just as I have been saying in this thread. You notice they were using enathate, which is oil-based. The point is, it works the same as IM, with much easier, and painless, shots.
Make all the snide remarks you want about 1/2" being IM unless you're a fatass, but 1/2" isn't much and on 99% of people, its gonna be subQ. Regardless of your bodyfat, it sure isn't gonna be "FOR DEEP INTRAMUSCULAR USE ONLY".