KLOW Peptide Blend GHK Cu BPC 157 TB 500 KPV KLOW Blend GHK CU + TB 500 + BPC 157 + KPV 10mg Saskatoon Peptides (PC) Who is using KLOW? I think I'm going to start! Also I got my test results back from the vial I sent off to Texas for testing (of my other "stuff" 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 Total Health Solutions