dont think many people will have tried that, so you are not likely to get an answer based on experience. with slin pins being dirt cheap...why even try it?
I use IGF LR3 with my GH on my pet rat and he says it cuts down on the sting from the acetic acid and certainly doesn't affect the potency of the GH. I mean what's to stop me from putting my GH, peptides, and MT2 as well.