bpc-157 in muscle recovery BPC-157: Tendon Repair and More Peptides for Recovery: TB500 vs
Description
If you press deep in between your sacrum (near but above your tailbone) and the hip bone on the side of your leg you should be over the piriformis muscle

These anti-inflammatory effects make GHK-Cu relevant not just for acute shoulder injuries but for chronic conditions like tendinopathy where ongoing low-grade inflammation contributes to tissue degeneration
Just remember that each additional needle puncture increases contamination risk

The argument made by some vendors was that because PDA uses an arginine counterion rather than acetate, it constitutes a distinct chemical entity not covered by the BPC-157 Category 2 ruling