Open it up and just take orally Winny is one painful MoFo. Even the good stuff usually hurts or stays sore as hell.Glutes is the best choice bc quads ya don't feel like you can walk and shoulders you don't want to raise your arms so ya know where my vote is.
It takes me 2 days till whatever body part I pin to function properly. Shoulders are the worst for me. What would be the ratio of b-12 to Stan is it a 1 to1?
Trust Me I have experience with this It worked actually just as good taking it orally. I just sucked it up place under tongue for 10 min and you are g2g.It is not worth the pain I am telling you for your own good.
Someone gave me some mexican winny bs and it was like a bolt of lightning going in my leg don't know what the hell was wrong with it but holy hell. I broke open the crimp on top and started taking 25mg per day it worked very well and there was no pain.