Transcend offers injectable administration forms for many of its medications, but did you know that there are different methods of injection administration? Intramuscular (injection into the muscle) vs Subcutaneous ( injection into subcutaneous Where to inject BPC 157 for an orthopedic injury Step by step with Dr. Rodenberg: How to give yourself a subcutaneous injection! Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review When you inject peptides like BPC 157 over the area of pain, it does not directly go to the area of tissue damage initially. The medication is absorbed by the blood vessels in the subcutaneous tissue