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 Shores Dental Co. BPC 157 TB 500 Blend 10MG Research Peptide Combination Bpc 157 and TB 500 My protocol and results explained! I've talked about this with probably a dozen different guys over the last 4 months so hopefully this helps someone else. #progress #