IGF experts, please comment on this....

I found this article:

http://endo.endojournals.org/cgi/con...ull/142/3/1309

It's a bit too technical for me... Can any of the experts on this board comment on the following:

It seems like IGF-I and LR3 are both IGF, however they differ.

and how do you reconcile Igtropin being both IGF1 and LR3?

What am I missing???


Thanks

The addition of the 13 aminos give it a longer half life also

JohnnyB

Thank you --- makes perfect sense.