The KLOW Peptide is a combination of 4 peptides, each with a specific function! BPC 157: May help in tissue regeneration and improved muscle recovery TB 500: May help improve vascular connections Klow Polar Peptides KLOW PEPTIDE is a POWERFUL formulation that combines four of the most clinically recognized compounds; GHK Cu, BPC 157, TB 500, and KPV. While these individual peptides offer targeted support on their own, their true KLOW Peptide Blend: Exploring the Synergy of GHK Cu, KPV, TB 500, and BPC 157