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 TB 500 vs BPC 157: Comprehensive comparison of healing peptides Peptide Therapy for Pain Management and Healing Core Medical & Wellness Frontiers Pharmacokinetics, distribution, metabolism, and excretion of body protective compound 157, a potential drug for treating various wounds, in rats and dogs BPC 157 Capsules vs Shots: Which Is Better? TB 500 vs BPC 157: Comprehensive comparison of healing peptides