Maximizing Peptide Stability: Lab Storage Techniques BPC TB Blend Research Peptide BPC 157 + TB 500 COA Tested (98%) Storage makes a big difference in preserving the potency of reconstituted peptides. After mixing, the peptide solution must go straight into an airtight container and be kept in the inner part of the The KLOW peptide stack is a four peptide research blend combining: GHK Cu for collagen skin and connective tissue pathways, BPC 157 for tissue repair and gut integrity, TB 500 for cell migration and angiogenesis, KPV for Peptide Reconstitution Guide Storage & Mixing Instructions