bpc157 and tb500

First time injecting and I am doing BPC 157 + TB 500 for my tendor tear recovery on my forearm and golfer elbow. The vials I'm buying are from here: https://www.premiumpeptides.com/product/tb-500-bpc-157-bundle/ Both Vials are 5mg and bac water is 10ml - I am gonna reconstitute 3ml of bac...

Hey, I have had ongoing shoulder pain for a year which has been off and on. when i sleep on it it bothers me a lot and i feel pain going down my arm. i've tried lowering my reps to get this fixed and tried foam rolling. Now i want to use bpc and tb500 for help. do i need to inject them deep...