Klow TB-500 + BPC-157 + GHK-Cu + KPV

Buy Klow Peptide Blend | Proven Four-Compound Healing Research Stack | PrimaLab Peptide

The Klow peptide blend is PrimaLab Peptide’s most comprehensive healing and anti-inflammatory research formulation — combining four well-studied research peptides in a single co-lyophilized vial: TB-500 (Thymosin Beta-4) 10mg, BPC-157 (Body Protection Compound) 10mg, GHK-Cu (Copper Peptide) 50mg, and KPV (Lysine-Proline-Valine) 10mg. Researchers who buy Klow peptide blend use it to investigate overlapping tissue repair, cellular regeneration, collagen synthesis, and anti-inflammatory pathway mechanisms simultaneously through a single research formulation.

By adding KPV, the C-terminal alpha-MSH tripeptide studied for melanocortin receptor anti-inflammatory pathway research — to the triple healing stack of the Glow Blend, Klow covers four distinct and complementary research mechanisms in one vial. PrimaLab Peptide supplies Klow at ≥99.2% purity, independently verified by Janoshik Analytical via HPLC, with a full batch-specific Certificate of Analysis included with every order.

What Is in the Klow Peptide Blend?

Klow is a pre-formulated research peptide blend — one lyophilized vial containing four separate research peptides, not four separate vials. Each component is individually weighed and verified before blending and co-lyophilization. Total peptide content: 80mg per vial.

1. TB-500 (Thymosin Beta-4) — 10mg
Synthetic analogue of Thymosin Beta-4. Studied for actin sequestration and cytoskeletal modulation, cellular migration facilitation in tissue repair research models, muscle fibre regeneration, anti-fibrotic and anti-inflammatory effects, and angiogenesis research. Full details: TB-500 product page.

2. BPC-157 (Body Protection Compound 157) — 10mg
Synthetic 15-amino acid pentadecapeptide derived from a gastric juice protective protein. One of the most extensively studied healing peptides with published research examining multi-system tissue repair, gastrointestinal tract mucosal protection, angiogenesis mechanisms, tendon and ligament biology, and neuroprotective effects. Stable in gastric acid in vitro. Full details: BPC-157 product page.

3. GHK-Cu (Copper Peptide) — 50mg
Naturally occurring copper peptide tripeptide (Glycine-Histidine-Lysine with copper ion). Heavily studied for collagen synthesis stimulation, glycosaminoglycan production, extracellular matrix gene expression regulation, wound healing acceleration, antioxidant response, and dermal cell biology. Dosed at 50mg reflecting the higher material requirements of skin and extracellular matrix research protocols. Full details: GHK-Cu product page.

4. KPV — 10mg
C-terminal tripeptide of alpha-melanocyte stimulating hormone (α-MSH), sequence Lys-Pro-Val. The fourth compound added to the Glow triple stack, KPV is studied for its melanocortin receptor (MC1R and MC3R) anti-inflammatory pathway research activity, NF-κB signalling pathway modulation, gut mucosal protection biology, and wound healing and skin repair research applications. Full details: KPV Peptide product page.

The Four Research Mechanisms of the Klow Blend

Each Klow component addresses a distinct biological research pathway, creating a comprehensive multi-mechanism healing research formulation:

• Actin regulation & cellular migration (TB-500): Thymosin Beta-4-mediated actin sequestration, cell motility facilitation, and tissue regeneration research pathways
• Multi-system tissue repair & angiogenesis (BPC-157): Growth factor-mediated healing, gastrointestinal protection, new blood vessel formation, and broad tissue repair research mechanisms
• Collagen synthesis & matrix remodelling (GHK-Cu): Copper peptide-mediated collagen and glycosaminoglycan synthesis, extracellular matrix regulation, wound healing acceleration, and antioxidant pathway research
• Melanocortin receptor anti-inflammatory pathways (KPV): MC1R/MC3R-mediated NF-κB inhibition, gut mucosal protection, and anti-inflammatory cytokine regulation research — the anti-inflammatory layer that distinguishes Klow from the Glow triple stack

The Klow blend is well-suited for exploratory research into combined tissue repair, regeneration, and anti-inflammatory pathway biology. For researchers who need only three of the four compounds, the Glow Blend (TB-500 + BPC-157 + GHK-Cu) is available. For the foundational two-compound combination, see BPC-157 + TB-500 Blend. Individual compounds — TB-500, BPC-157, GHK-Cu, and KPV — are all available separately for research designs requiring custom component ratios.

Pre-Blended Format — Research Design Considerations

The pre-blended Klow format offers specific research design advantages and limitations that researchers should consider:

• Advantages: Fewer vials to manage per research session, reduced reconstitution steps, simplified logistics for multi-compound research protocols, and practical convenience for exploratory research examining combined four-pathway effects at fixed ratios
• Limitations: Fixed component ratios — if your protocol requires different ratios of any component (e.g. higher BPC-157 relative to TB-500, or KPV without GHK-Cu), individual compounds provide the necessary flexibility. Pre-blends are also less suited to highly controlled single-variable studies where isolating individual compound contributions is required

Purity & Third-Party Testing

Every batch of Klow is independently tested by Janoshik Analytical via HPLC at ≥99.2% purity. The COA is published before stock is listed for sale — no batch ships without testing documentation. The batch-specific COA is included with every order and carries a batch number cross-referenceable directly on the Janoshik database. Batch-to-batch variation can occur within acceptable limits — always check the COA for your specific lot number before use in any research protocol.

Published research underpinning each component:

• GHK-Cu: decades of peer-reviewed dermal and wound healing research — PubMed GHK-Cu literature
• BPC-157: preclinical animal model data across gastrointestinal, tissue repair, and angiogenesis research — PubMed BPC-157 literature
• TB-500: Thymosin Beta-4 research literature on actin modulation and tissue regeneration — PubMed TB-500 literature
• KPV: melanocortin receptor anti-inflammatory and gut mucosal research — PubMed KPV literature

Storage & Reconstitution

• Sealed (lyophilized): Store at −20°C, protected from light. Keep away from the freezer door where temperature fluctuations are most pronounced. Lyophilized Klow is typically stable for 24+ months under correct storage conditions
• After reconstitution: Store at 2–8°C (standard lab refrigerator) and use within 28 days. Do not re-freeze reconstituted blend
• Reconstitution solvent: Bacteriostatic Water (BAC Water) is the recommended reconstitution solvent. Sterile water is acceptable if the entire vial will be used within a few days. Add solvent slowly down the inside vial wall — never directly onto the powder. Swirl gently — do not shake. Allow full dissolution before aliquoting
• Freeze-thaw cycles: Avoid repeated freeze-thaw of reconstituted solution. Aliquot if multiple-use storage is required

Product Specifications

Product Name	Klow (TB-500 10mg + BPC-157 10mg + GHK-Cu 50mg + KPV 10mg)
Form	Co-lyophilized powder, single vial
TB-500 Content	10mg per vial
BPC-157 Content	10mg per vial
GHK-Cu Content	50mg per vial
KPV Content	10mg per vial
Total Peptide Content	80mg per vial
Purity	≥99.2% (Janoshik HPLC verified)
Third-Party Lab	Janoshik Analytical (independent)
Storage (sealed)	−20°C, protect from light
Storage (reconstituted)	2–8°C, use within 28 days
Reconstitution	Bacteriostatic Water (BAC Water)
COA	Batch-specific — included with every order
Intended Use	In-vitro research only — not for human use

Frequently Asked Questions — Klow Peptide Blend

What is the Klow peptide blend used for in research?

Researchers who buy Klow peptide blend use it to investigate four complementary healing, regeneration, and anti-inflammatory pathway mechanisms simultaneously — TB-500’s actin-mediated cellular migration and tissue regeneration research, BPC-157’s multi-system tissue repair and angiogenesis research, GHK-Cu’s collagen synthesis and extracellular matrix remodelling research, and KPV’s melanocortin receptor anti-inflammatory pathway research. It is particularly suited to tissue repair, skin biology, gut mucosal biology, and connective tissue research programs requiring all four research mechanisms.

What is the difference between Klow and Glow peptide blends?

The Glow blend contains three components: TB-500 10mg + BPC-157 10mg + GHK-Cu 50mg (total 70mg). The Klow blend adds a fourth component — KPV 10mg (the alpha-MSH C-terminal tripeptide for melanocortin receptor anti-inflammatory research) — bringing the total to 80mg per vial. Klow is the more comprehensive formulation covering four distinct research pathways including melanocortin receptor anti-inflammatory biology; Glow is the appropriate choice when KPV pathway coverage is not required by the research design.

Is the Klow blend independently tested?

Yes. Every batch is independently tested by Janoshik Analytical at ≥99.2% purity via HPLC before the stock is listed for sale. The batch-specific COA is included with every order and cross-referenceable on the Janoshik database using the batch number from your vial. Always check the COA for your specific lot number before use in any research protocol.

Why is the Klow blend in a pre-blended format instead of four separate vials?

The pre-blended single-vial format reduces handling complexity and reconstitution steps for research programs where all four components at these specific ratios are required. It is designed for exploratory research and research programs that have already established the need for all four compounds. Researchers requiring custom ratios or single-variable study designs should use the individual compounds — all four are available separately from PrimaLab Peptide.

What reconstitution solvent should I use for Klow?

Bacteriostatic Water (BAC Water) is the recommended reconstitution solvent for the Klow blend for multi-use vial access over the 28-day post-reconstitution window. Sterile water is acceptable for single-session use where the full volume will be used within a few days. Add solvent slowly down the inside vial wall, swirl gently (never shake), and allow full dissolution before use.

Can I see the Janoshik COA for the Klow blend before ordering?

Yes. The COA for the current Klow batch is available on the product listing and on request from PrimaLab Peptide. The COA lists the batch number and HPLC purity result. Always match the batch number on your vial to the COA document before use in any research protocol. The COA is also cross-referenceable directly on the Janoshik database.

Related Research Products

Researchers buying Klow peptide blend for comprehensive tissue repair and anti-inflammatory research frequently explore:

• Glow Blend (TB-500 + BPC-157 + GHK-Cu) — triple healing research stack without KPV
• BPC-157 + TB-500 Blend — foundational two-compound healing research combination
• BPC-157 — body protection compound available as standalone research peptide
• TB-500 (Thymosin Beta-4 Acetate) — actin-regulated tissue regeneration peptide available standalone
• GHK-Cu (Copper Peptide) — collagen and dermal matrix research peptide available standalone
• KPV Peptide — alpha-MSH C-terminal tripeptide available standalone for anti-inflammatory research

Browse our complete Peptide Blends & Stacks and Healing & Repair Peptides categories. Bulk researchers and laboratory procurement teams can apply for discounted rates through our Wholesale Portal. Reconstitute with BAC Water, available in our Accessories & Reconstitution Supplies section.

⚠️ For in-vitro research only. Not for human use. Not approved by any regulatory agency for human consumption or clinical use. All products are intended exclusively for in-vitro laboratory research. Researchers are solely responsible for compliance with all applicable local, national, and institutional regulations governing the purchase, storage, and use of research compounds.