KLOW (GHK CU, TB 500, BPC 157, KPV) 80mg :: Aurapeptides Peptides BPC 157 promise to help heal and recover you from injuries and tough workouts (and do way more than that sometimes too!). But there's limited research into their effectiveness. So how do 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 KLOW Peptide Blend Research Vial BPC 157 GHK Cu TB 500 KPV LiveWell