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 PCOS Nutrition Center N ACETYL CYSTEINE (NAC) PCOS Nutrition Center KLOW Advanced Weight Management Peptide LiveWell Medical KLOW PEPTIDE JOURNEY Part 3 6 weeks in and I'm so happy with my improvements. My skin is clear, my recovery post workouts are fast, zero knee pain or IT band syndrome Custom Liver Health Supplements Manufacturer Invision Pharma Limited