Here is the best resource I have found. Everything you need to know about peptides. I have ran Frag, 1295, GHRP-6 and igf-lr3 myself and didn't see any results. however I am still running GHRP-6 because it makes me crazy hungry and helps me choke down my oatmeal and egg white breakfasts.

Protopeptides: GHRP-2