i got the 4 IU vials too, but that was what they told me before i ordered it.
It's also cheap, 20$ for a 4IU vial.
@FREAKN HUGE : I didn't order it directly from china, because i have a fine source here. But i think he orders directly from china, and i have never heard that something was recovered by the customers. but i don't live in canada, so i don't know how they handle it there.