Investigating the Mechanisms of a Multi Peptide Research Blend: KLOW Thoroughbred Labs KLOW GHK Cu (50mg) KPV (10mg) BPC 157 (10mg) TB500 (10mg) Your Peptide Brand What Is Klow 80? How It Works & Where to Buy Klow 80 Peptide 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 Blend Advanced Regeneration, Recovery & Skin Repair Complex