humalin "r" or "n"

I just found out there is a humalin R and a humalin N.
A friend of mine is a diabetic and gave me a few bottles of
humalin N. is this ok to use?

aaaahhh N is now what we want at all.... its active for 12 hours :eek:

See if he can get you some humalog. But the R would be alright, just takes a long time to clear out

thanks bro

Opt for humalog bro. Smaller chance of going hypo.

Heres something that shows their onset and durations........

http://www.clevelandclinic.org/healt...sp?index=11452

.......and another.......

http://www.lillydiabetes.com/using_i...p?reqNavId=3.3