BPC 157 Pure Oral Spray, Integrative Peptides Professional Supplement Center Peptide BPC 157 Does It Work? Breaking Down the Evidence and the Hype BPC 157 is one of the most unique peptides naturally found in the gut and effective both orally and by injection., Oral supports gut health, while the injectable version helps with healing and BPC 157 can be taken orally or subcutaneously, and for most people there is no difference in efficacy.Yes, some people will notice one works better than the other. Yes, some people will claim that