BPC 157 is a synthetic peptide that may promote angiogenesis, fibroblast migration, and cellular turnover to accelerate tissue healing based on animal studies and widespread anecdotal reports.

“The anecdote seem to indicate that the mode of delivery, that is whether or not systemic or local, doesn't seem to matter that much. Although some people, for whatever reason, will purport that local injections serve recovery of the tissue more readily than systemic injections.”