Subcutaneous Injection Sites and Instructions for Safe Self Administration Step by step with Dr. Rodenberg: How to give yourself a subcutaneous injection! There's a common misconception about peptide injections that targeting them directly at pain sites is more effective than abdominal injection. However, when you inject peptides like BPC 157 Peptides in Orthopedics: BPC 157 What Patients Should Know About Safety, Efficacy, and Sourcing The Centers for Advanced Orthopaedics: Maryland Orthopedic Specialists Division