BPC 157 Peptide Therapy Doctors Supplement Store Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Subcutaneous Injection Sites and Instructions for Safe Self Administration 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