How necessary is the local injection site when adminstering BPC157 In the video, I break down exactly how to use it and why both local and systemic injection can have benefits BPC 157 + TB 500 Nasal Spray Polar Peptides Fred Let the bio hacking begin. Just got my first injection of BPC 157 and TB 500 peptides in my left shoulder. Having already had a blown up right shoulder and surgery (which BPC 157 + TB 500 Research Compound NeoPeptide Lab