The combination of BPC-157, GHK-Cu, and KPV is often referred to in functional and regenerative medicine circles as the "Klow Stack" (or KLOW). It is a variant of the classic "Glow Stack" (BPC-157 + GHK-Cu + TB-500), where TB-500 is replaced with KPV. Some sources also categorize this as a "CLO Stack" focused on gut health and inflammation control.
BPC-157 (Pentadecapeptide): A synthetic peptide derived from human gastric juice that promotes angiogenesis via VEGF and NO pathways and modulates inflammatory pathways to support tendon, ligament, and gut tissue repair.
GHK-Cu (Copper Peptide): A naturally occurring copper-binding tripeptide that supports skin regeneration, connective tissue repair, and anti-aging by stimulating collagen and elastin synthesis, activating tissue remodeling genes, and exerting antioxidant effects.
KPV (Lysine-Proline-Valine): A tripeptide derived from the C-terminal sequence of α-melanocyte-stimulating hormone (α-MSH), and the key component distinguishing this from the Glow Stack. Its core mechanism involves inhibiting the NF-κB pathway and blocking p65RelA nuclear translocation to potently suppress inflammatory signaling and pro-inflammatory cytokines (such as IL-1β and IL-8) at the cellular level, exerting anti-inflammatory and immunomodulatory effects.
These three peptides work through complementary mechanisms: BPC-157 focuses on local angiogenesis and microenvironment repair, GHK-Cu targets collagen metabolism and antioxidant defense, while KPV provides potent systemic anti-inflammatory support. This combination is more focused on inflammation control, immune balance, and mucosal repair than on cell migration and tissue remodeling (which is more associated with TB-500).
