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 Systemic Benefits of BPC 157: Fat Loss & Workout Recovery Exercise Based Rehabilitation & Strength Training Poseidon Performance Dartmouth Orthopedic Use of BPC 157 Sports Med Review Many have heard of BPC 157, and some people have heard of TB 500. The both of these are considered "healing peptides" however they have very different uses and can also be used in BPC 157 Peptide: Enhance Healing and Recovery Desert Mobile Medical Desert Mobile Medical, PLC