These two peptides are often discussed together but they are studied for different biological roles. BPC 157 is commonly mentioned in research related to localized tissue repair and gut lining signaling pathways. TB 500 Peptides That Enhance Prolotherapy Results and Recovery Revolution Health & Wellness The Science of BPC 157 & TB 500 (The Sauce and The Science) eBook : Priv, Blanka: Amazon.in: Kindle Store Heal, Repair, Recover BPC 157, TB 500, GHK Cu, & KPV