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 Peptide Therapy 101: Can BPC 157 & Thymosin Beta 4 Accelerate Ortho Recovery? BPC 157 Peptide Benefits Healing & Gut Health Hubmed Amazon.com: BPC 157: Speed Up Healing And Enhance Your Vitality With The Miracle Peptide eBook : Green, Neil. C: Kindle Store Have you used peptides? What are your thoughts? Let me know below Peptides are short chains of amino acids that play vital roles in cellular signaling and repair throughout the body.