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 80mg BPC 157, TB 500, KPV, GHK Cu Bluewell Peptides KLOW (GHK CU, TB 500, BPC 157, KPV) Nova Peptides Turns out anti inflammatory isn't always healthy. Especially when blunts are involved. I break down the KPV effect nobody is talking about.