That is the case with regular IGF-1, but he is talking about IGF-1 r3long which has different binding characteristics and is much more usable by the body. It is also much more stable and forgiving.
Rich, $250 is about the going price but make sure its suspended or you will have to do a lot of leg work yourself. 15mcg per day is also a very low dose, your likely gonna want at least double that and you can only use ot for about 4 weeks or so before its effects diminush as the body lowers GH release.