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 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 And TB 500: Background, Indications, Efficacy, And Safety GlobalRPH Peptide Therapy in Brandon & Lakeland, FL BPC 157, TB 500 & GHK Cu TB 500 vs BPC 157: Comprehensive comparison of healing peptides