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 BPC 157 Benefits, Dosage & Before After Results Therapeutic peptides in the treatment of digestive inflammation: Current advances and future prospects ScienceDirect The Peptide Plastic Surgeon: A Review of Evidence on Regenerative Peptide Supplementation and Potential in Aesthetic Plastic Sur Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs