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Cosmetic Peptides

KLOW - Klow - GHK-CU 50 MG + BPC 10 MG + TB500 10 MG + KPV 10 MG - 80 MG total - Research Use Only

KLOW Blend is a quad-peptide formulation of GHK-Cu, KPV, BPC-157, and TB-500 — adding KPV's melanocortin anti-inflammatory and gut-repair mechanisms to the Glow Blend's triple-peptide tissue repair profile.

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Research reference only

This product is listed for research reference and is not currently available for ordering. See live alternatives below or contact the team.

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  • HPLC purity tested
  • COA per lot, on request
  • Lyophilized, sealed
  • US shipping, tracked
  • KPV adds MC1R/MC3R melanocortin anti-inflammatory signaling absent from the Glow Blend — gut epithelial protection research
  • Dual gut-repair coverage: KPV (melanocortin anti-inflammatory) + BPC-157 (NO-system barrier integrity) via distinct receptor systems
  • GHK-Cu covers copper-peptide collagen synthesis, skin aging, and extracellular matrix biology
  • TB-500 provides systemic cell migration and wound closure across cardiac, dermal, musculoskeletal tissue
  • Four pharmacologically independent receptor mechanisms — no redundancy across the KLOW component set

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In your order

What ships when you order KLOW Blend (GHK-Cu / KPV / BPC-157 / TB-500)

  • Lyophilized vial

    Sterile-filtered, freeze-dried peptide in glass vial, sealed under inert gas.

  • Lot ID on every vial

    Printed lot ID ties this exact vial to its analytical record.

  • COA on request

    Independent third-party HPLC certificate, matched to your lot, sent on request.

  • Carrier-tracked shipping

    Shipped from a US facility with full carrier tracking and protective packaging.

The Peptific standard

Why researchers buy from Peptific instead of grey-market vendors

Peptide quality is invisible until it isn’t. Lot identity, purity, fill integrity, and chain of custody are the difference between usable research material and wasted budget.

  • Third-party HPLC tested

    Every lot is tested for identity and purity by an independent analytical lab. Certificate of Analysis available on request, tied to the exact lot you receive.

  • Lyophilized and lot-tracked

    Sterile-filtered, freeze-dried, sealed under inert gas. Each vial carries its own lot ID — full chain of custody from fill to delivery.

  • US-based fulfillment

    Orders ship from a temperature-controlled US facility with carrier tracking. No drop-shipping, no opaque overseas relay.

  • Real support, not a ticket queue

    A real person responds to research questions, lot questions, and order questions — usually same business day. No bot triage.

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Live alternatives from this research category

These products from the same research category are currently available for ordering.

How it works

The KLOW Blend (GHK-Cu / KPV / BPC-157 / TB-500) mechanism

GHK-Cu: copper-peptide collagen synthesis via TGF-β/MMP modulation. KPV: MC1R/MC3R anti-inflammatory signaling, gut epithelial protection. BPC-157: NO-system angiogenesis, connective tissue repair. TB-500: actin-G cell migration, systemic wound closure. Four pharmacologically independent receptor systems — non-redundant mechanistic coverage across inflammation, skin, gut, and systemic repair research.

Compound profile

Components
GHK-Cu + KPV + BPC-157 + Thymosin Beta 4 (TB-500)
KPV mechanism
MC1R/MC3R agonism — anti-inflammatory, gut epithelial protection
GHK-Cu mechanism
Copper peptide — collagen synthesis, skin repair
BPC-157 mechanism
NO-system angiogenesis, gut barrier, connective tissue
TB-500 mechanism
Actin-G regulation — systemic cell migration, wound closure
Research category
Gut-barrier biology, skin repair, multi-pathway inflammation and tissue research
Format
Lyophilized blend (single vial)
Storage
Lyophilized: −20°C. Reconstituted: 2–8°C, use within 30 days

Product definition

What is KLOW Blend (GHK-Cu / KPV / BPC-157 / TB-500)?

KLOW Blend is a quad-peptide formulation of GHK-Cu, KPV, BPC-157, and TB-500 — adding KPV's melanocortin anti-inflammatory and gut-repair mechanisms to the Glow Blend's triple-peptide tissue repair profile.

The KLOW Blend is a research formulation designed to extend the Glow Blend's triple-peptide coverage (GHK-Cu + BPC-157 + TB-500) by incorporating KPV — the C-terminal tripeptide of alpha-MSH with independent melanocortin receptor-mediated anti-inflammatory activity. KPV (Lys-Pro-Val) was identified as the pharmacologically active anti-inflammatory fragment of α-MSH, retaining the parent molecule's MC1R and MC3R binding activity with a smaller molecular footprint. In preclinical gut models, KPV has been studied for NF-κB pathway suppression in intestinal epithelial cells, reduced inflammatory cytokine production, and barrier function protection in colitis models. These gut-specific anti-inflammatory effects are mechanistically distinct from BPC-157's gut-barrier NO-system mechanism — providing two pharmacologically independent approaches to gut research in the same formulation. The full KLOW profile covers: GHK-Cu (dermal collagen, hair follicle, wound healing via copper co-factor and TGF-β), KPV (gut epithelial anti-inflammation, MC1R/MC3R signaling), BPC-157 (connective tissue angiogenesis, gut barrier integrity, NO-system), and TB-500 (systemic cell migration, cardiac repair, wound closure via actin regulation).

Research audience

Who studies KLOW Blend (GHK-Cu / KPV / BPC-157 / TB-500)?

The KLOW Blend is used by researchers in gut-barrier biology, inflammatory bowel disease preclinical research, skin inflammation, multi-pathway tissue repair, and combination peptide pharmacology. It is particularly suited to investigators studying both the anti-inflammatory and repair dimensions of gut and dermal tissue biology simultaneously.

Research context

What does the preclinical literature say about KLOW Blend (GHK-Cu / KPV / BPC-157 / TB-500)?

The KLOW Blend was developed as an extended-coverage formulation building on the Glow Blend research rationale. The addition of KPV was driven by the recognition that the three-component Glow Blend lacked direct melanocortin receptor anti-inflammatory coverage — a mechanism with distinct documented effects in gut epithelial models that is not replicated by BPC-157's NO-system mechanism despite the functional overlap in the gut repair context. KPV's independent research profile includes studies in experimental colitis models (TNBS-induced, DSS-induced in rodents), where KPV administration reduced histological damage scores, decreased pro-inflammatory cytokine production, and preserved barrier function versus vehicle controls. These findings are mechanistically grounded in MC1R and MC3R expression in intestinal epithelial cells and macrophages — the same receptors that mediate α-MSH's systemic anti-inflammatory effects but with the accessibility of the short tripeptide fragment. For researchers studying the gut-skin axis, the KLOW Blend provides coverage of both tissue systems: KPV and BPC-157 for gut epithelial biology, GHK-Cu and TB-500 for dermal repair, with mechanistic overlap in the anti-inflammatory and wound-healing dimensions connecting the two tissue systems.

Common questions

What does KPV add that BPC-157 doesn't already cover for gut research?
BPC-157 operates through NO-system and VEGF angiogenesis pathways in gut models — promoting vascular repair and physical barrier integrity. KPV operates through MC1R/MC3R melanocortin receptor signaling to suppress NF-κB-driven inflammatory cytokine production in intestinal epithelial cells and macrophages. The anti-inflammatory pathway is pharmacologically distinct from BPC-157's angiogenesis mechanism. In colitis models, the two mechanisms address different aspects of disease pathology: BPC-157 the barrier integrity deficit, KPV the inflammatory amplification that drives mucosal damage.
How is the KLOW Blend different from the Glow Blend?
The Glow Blend contains GHK-Cu, BPC-157, and TB-500. The KLOW Blend adds KPV to that base. KPV adds: (1) melanocortin receptor anti-inflammatory mechanism, (2) specific gut epithelial research coverage absent from the Glow Blend. The KLOW Blend is the better choice when gut-barrier biology or inflammatory bowel models are part of the research design; the Glow Blend is the more focused choice for skin/dermal-only research protocols.
What is the evidence base for KPV in gut models?
KPV's gut research base includes in vitro studies in intestinal epithelial cell lines (NF-κB pathway suppression, cytokine reduction) and in vivo studies in TNBS-induced and DSS-induced colitis rodent models (reduced histological damage, preserved barrier function, lower inflammatory cytokine profiles). The mechanistic pathway involves MC1R/MC3R activation in both epithelial cells and macrophages within the intestinal wall. This research profile constitutes a meaningful preclinical evidence base though not at the same depth as BPC-157's gut literature.

Research Use Only

Sold for laboratory and research purposes only. Not approved for, nor intended for, human or veterinary consumption, diagnostic use, or therapeutic application. These products have not been evaluated by the Food and Drug Administration. Keep out of reach of children. For use by qualified researchers only.

Nothing on this page constitutes medical advice, a treatment recommendation, or a clinical protocol. Consult a qualified healthcare provider before making any health or treatment decisions.

By accessing this product page you confirm that you are a qualified researcher aged 18 or older and that you will use this product solely for lawful laboratory research purposes. View Research Use Policy