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BPC157, TB500, GHKCu, KPV (Klow Blend) · 80mg
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$603.63
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$488.94
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3 vials
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99%+ HPLC Purity — Independently verified by accredited US laboratory -
Endotoxin-Screened — LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing — USA facility, ISO 9001:2015
-
Lyophilized for Stability — Shipped cold-packed, intact for reconstitution
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Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
4.9 847 verified reviews
BPC157, TB500, GHKCu, KPV (Klow Blend) · 80mg
Total Price
$603.63
Discounted Price
$488.94
Vials
3 vials
You Save
$114.69
19% OFF
Select Strength (mg)
99% HPLC Purity
Select Vials
Bulk pricing applied
📈 Upgrade to 10 vials and save an extra vs. buying 5 — nearly 3 free vials.
Select Purchase Option:
-
99%+ HPLC Purity —
Independently verified by accredited US laboratory
-
Endotoxin-Screened —
LAL tested, LPS-free, endotoxin report available
-
GMP-Certified Manufacturing —
USA facility, ISO 9001:2015
-
Lyophilized for Stability —
Shipped cold-packed, intact for reconstitution
Molecular Weight
Third Party Tested
APPLICATION
For Research Use only
Form
Lyophilized Powder
Storage
-20°C Long Term
Purity (HPLC)
99%+ Third Party Verified
Manufacture
USA / GMP
BPC157, TB500, GHK-Cu, KPV (Klow Blend) 80mg is a laboratory research formulation used to study peptide behavior, signaling pathways, and multi-component cellular responses in controlled experimental systems. This product is supplied strictly for research use only. It is not approved or intended for human or animal use, and any discussion of biological activity refers only to preclinical or in vitro research.
Each peptide within the blend has been independently examined in peer-reviewed scientific literature across various in vitro and experimental research models. When evaluated collectively, the KLOW Blend provides a structured framework for exploring potential synergistic or complementary interactions across multiple biological systems within controlled research settings.
All components in the KLOW Blend are manufactured to high-purity research standards and supplied as LPS-free peptides. The formulation is endotoxin-free and consists of research peptides that are endotoxin tested, supporting consistency and reliability in sensitive experimental protocols.
For Research Use Only. Not for Human or Animal Use.
Klow Blend at a glance
| Sequence | GEPPPGKPADDAGLV |
|---|---|
| Molecular formula | C62H98N16O22 |
| Length | 15 amino acids |
| Application | Research use only |
What is Klow Blend?
This blend is a laboratory research material used to examine how four peptides may interact with cellular signaling systems and structural pathway responses in controlled experimental models. References to biological effects are provided for scientific context only and must not be interpreted as claims of therapeutic, diagnostic, cosmetic, or clinical benefit. This product is not offered for human or veterinary use.
BPC-157
BPC-157 is studied in laboratory research as a peptide fragment used to examine localized signaling behavior, receptor-related activity, and pathway responses in experimental systems. Any references to tissue, vascular, or gastrointestinal models are provided only for research context and do not imply therapeutic or clinical use.
TB-500
TB-500 is used in laboratory studies to examine actin-related signaling, cellular movement, and structural pathway behavior in controlled experimental models. Any references to migration, angiogenesis, or tissue-related pathways are provided only for research context and do not imply therapeutic or clinical use.
GHK-Cu
GHK-Cu is a copper-binding tripeptide used in laboratory research to study peptidecopper interactions, signaling pathways, and gene-expression responses in controlled experimental systems. Any references to skin, collagen, extracellular matrix, or oxidative-stress pathways are provided only for research context and do not imply cosmetic or clinical use.
KPV
KPV is a short tripeptide used in laboratory research to study inflammatory signaling, cytokine responses, and epithelial-model behavior in controlled experimental systems. Any references to inflammation-related pathways are provided only for research context and do not imply therapeutic or clinical use.
Why is Klow Blend studied?
Each of the four components has its own independent research literature. BPC-157 is a pentadecapeptide derived from a sequence found in human gastric juice; TB-500 is the acetylated active fragment of thymosin beta-4; GHK-Cu is a copper-binding tripeptide isolated from human plasma; KPV is the C-terminal tripeptide of alpha-melanocyte-stimulating hormone. The blend exists so that investigators can examine these four sequences together under identical handling conditions.
How is Klow Blend studied in the lab?
The pathways most often examined for these four sequences differ, which is the point of studying them together. BPC-157 is investigated in angiogenic and growth-factor-receptor signalling; TB-500 in G-actin sequestration and cell migration; GHK-Cu in copper transport, gene-expression modulation and extracellular-matrix remodelling; KPV in melanocortin-independent suppression of NF-kB signalling. Combination designs allow interaction effects across these pathways to be isolated.
What has preclinical research reported?
Combined Research Context
Researchers may study these peptides together to compare how distinct signaling pathways behave in a multi-compound experimental model. Any references to overlapping pathway activity are included solely for scientific context and do not imply that the blend is intended to heal, regenerate, or treat any condition.
Research-Focused Features of the Klow Blend (80mg)
This blend is used in experimental research to explore multi-pathway observation under controlled laboratory conditions. Researchers may examine cell behavior, structural pathway responses, inflammatory markers, and assay readouts. All references to biological pathways are provided for research context only and do not imply human or veterinary applications.
KPV
KPV is studied in laboratory research for its relationship to inflammatory signaling and epithelial-model behavior in controlled experimental systems. Published literature may describe its activity in cell-based and animal-model research, but those references are provided only for scientific context.
BPC-157
BPC-157 is used in laboratory studies to examine peptide signaling, cellular-response behavior, and pathway responses in experimental systems. Any references to tendon, vascular, or gastrointestinal models are provided only for research context and do not imply therapeutic or clinical use.
GHK-Cu
GHK-Cu is used in laboratory studies to examine peptide-copper interactions, geneexpression responses, and extracellular-matrix-related pathways. Any references to tissue modeling, collagen, or aging-related pathways are provided only for research context and do not imply cosmetic or clinical use.
TB-500
TB-500 is studied in laboratory research for actin-related signaling, cellular movement, and structural pathway responses in controlled experimental models. Any references to migration, angiogenesis, or tissue-related pathways are provided only for research context and do not imply therapeutic or clinical use.
Research Applications
Klow Blend may be used in laboratory studies involving:
- Comparative multi-peptide study design
- Tissue-repair and wound-model research
- Angiogenesis and cell-migration assays
- Inflammatory signalling and NF-kB pathway research
- Extracellular-matrix remodelling studies
- Peptide-interaction and combination-effect method development
All uses are limited to research settings only. This product is not intended for human or animal use.
Preclinical Literature Coverage
Published literature describes each component in controlled experimental settings, largely in rodent and cell-culture models. There is very little published work on the four-component combination itself, and that gap is stated here deliberately. Nothing on this page is a claim of safety, effectiveness or suitability for human or veterinary use.
KPV: transporter-mediated uptake (in vitro and murine)
The tripeptide KPV was reported to enter intestinal epithelial cells through the PepT1 transporter, with reduced inflammatory signalling in murine models.8
BPC-157: fibroblast outgrowth (in vitro)
In cultured rat tendon fibroblasts the pentadecapeptide was reported to affect outgrowth, survival and migration.9
TB-500: actin sequestration (cell-free)
Thymosin beta-4 forms a 1:1 complex with monomeric actin, the molecular basis for the synthetic fragment.11
Forms studied and handling
Supplied as a lyophilised powder in a sealed vial. Published handling practice for research peptides of this class is cold, dry, light-protected storage of the lyophilised solid, with reconstituted material kept refrigerated and used within the stability window established by the laboratory. For laboratory research use only.
Who publishes on Klow Blend?
Research Focus: Gastrointestinal and Tissue-Repair Research
Title: Stable Gastric Pentadecapeptide BPC 157: Novel Therapy in Gastrointestinal Tract (Current Pharmaceutical Design, 2011)
Authors: Predrag Sikiric, Sven Seiwerth, Rudolf Rucman et al.
Research Focus: Wound-Model Research
Title: Thymosin Beta-4 Accelerates Wound Healing (Journal of Investigative Dermatology, 1999)
Authors: Katherine M. Malinda, Gurmel S. Sidhu, Hariqbal Mani et al.
Research Focus: Copper-Peptide Pathway Research
Title: GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration (BioMed Research International, 2015)
Authors: Loren Pickart, Anna Margolina
Research Focus: Inflammatory Signalling Research
Title: PepT1-Mediated Tripeptide KPV Uptake Reduces Intestinal Inflammation (Gastroenterology, 2008)
Authors: Guillaume Dalmasso, Laetitia Charrier-Hisamuddin, Hang Thi Thu Nguyen et al.
References
- Kannengiesser K, Maaser C, Heidemann J, Luegering A, Ross M, Brzoska T, Bohm M, Luger TA, Domschke W, Kucharzik T. Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel disease. Inflamm Bowel Dis. 2008 Mar;14(3):324-31. doi: 10.1002/ibd.20334. PMID: 18092346. PMID 18092346
- Land SC. Inhibition of cellular and systemic inflammation cues in human bronchial epithelial cells by melanocortin-related peptides: mechanism of KPV action and a role for MC3R agonists. Int J Physiol Pathophysiol Pharmacol. 2012;4(2):59-73. Epub 2012 Jun 23. PMID: 22837805; PMCID: PMC3403564. View record
- doi:10.2174/138161211796196954
- doi:10.3390/molecules191119066
- doi:10.1046/j.1523-1747.1999.00708.x
- doi:10.1155/2015/648108
- doi:10.1053/j.gastro.2007.10.026
- Dalmasso G, Charrier-Hisamuddin L, Nguyen HTT, et al. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation. Gastroenterology. 2008;134(1):166-178. doi:10.1053/j.gastro.2007.10.026
- Chang CH, Tsai WC, Lin MS, et al. The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration. J Appl Physiol. 2011;110(3):774-780. doi:10.1152/japplphysiol.00945.2010
- Pickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide in the light of the new gene data. Int J Mol Sci. 2018;19(7):1987. doi:10.3390/ijms19071987
- Goldstein AL, Hannappel E, Kleinman HK. Thymosin beta-4: actin-sequestering protein moonlights to repair injured tissues. Trends Mol Med. 2005;11(9):421-429. doi:10.1016/j.molmed.2005.07.004
For laboratory research use only. Products on this website are intended solely for in-vitro research. They are not medicines, have not been evaluated by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease. Any administration to humans or animals is strictly prohibited.
KLOW 80mg V260309 11 Licensed Peptides Report 007 1
KLOW 80mg V260309 11 Licensed Peptides Report 007 2
What are these peptides made for?
Our peptides are produced exclusively for laboratory and scientific research purposes.
Licensed Peptides™ products are developed using industry-standard synthesis and purification protocols, making them suitable for in vitro research, analytical testing, and experimental models.
Research-grade standards
- Synthesized via Solid Phase Peptide Synthesis (SPPS)
- Purified using advanced HPLC methods
- Verified through analytical quality control processes
- Screened for heavy metals and endotoxins
Consistency across batches
Strict process controls ensure reproducibility, allowing researchers to work with confidence across experiments.
Applications
Our peptides are commonly used in research involving:
- Cellular signaling pathways
- Tissue remodeling and repair mechanisms
- Extracellular matrix regulation
- Molecular biology and biochemical studies
All products are intended for research use only and are not for human or animal consumption, therapeutic use, or clinical application.
Why buy from Licensed Peptides
At Licensed Peptides™, quality isn’t a claim — it’s a controlled, repeatable process.
Every peptide we produce follows a strict, pharma-grade workflow designed to ensure purity, stability, and consistency from synthesis to delivery.
What sets us apart
ISO-certified cleanroom manufacturing
All peptides are synthesized in sterile, controlled environments to eliminate contamination risk and ensure batch consistency.
>99% verified purity (HPLC tested)
We use advanced High-Performance Liquid Chromatography (HPLC) to separate and verify peptide purity with precision.
Comprehensive safety testing
Each batch undergoes heavy metal and endotoxin screening to ensure it is free from hidden contaminants.
Pharma-grade raw materials
We start with rigorously tested amino acids and reagents, ensuring integrity at the molecular level.
Lyophilized for stability
Freeze-dried peptides maintain long-term stability, potency, and reliability for research applications.
Nitrogen-sealed vials
Every vial is protected from oxygen and moisture, preserving structural integrity during storage and transit.
Built for serious research
From synthesis to delivery, every step is engineered to meet the expectations of professionals who require accuracy, consistency, and reliability.
For laboratory research use only. Not for human or veterinary use.
How orders ship
We understand that timing and product integrity are critical for research.
| Ships to | United States (including minor outlying islands) |
|---|---|
| Processing days | Monday to Friday, excluding holidays |
| Daily cut-off | Paid orders placed before 4:00 PM PST are typically shipped the same business day |
| Free shipping | FedEx 2-Day Express on orders over $200 and for VIP members |
| Standard | USPS Ground Advantage, 3–7 business days (not guaranteed) — $8.95 |
| Expedited | FedEx 2-Day $11.95 · UPS 2-Day $19.95 · FedEx Next Day $44.99 |
| Signature | Required on delivery for orders of $1,000 or more |
How orders are handled
Cold chain protection
Products are stored in industrial-grade freezers prior to shipment to maintain stability and purity.
Secure & protective packaging
Each order is carefully packed to protect against temperature fluctuations, moisture exposure, and physical damage during transit.
Tracking
Once your order has shipped you will receive a tracking number by email, so you can monitor delivery progress.
Shipped from the United States
Orders are dispatched domestically from a U.S.-based operation, so there are no international customs steps.
Delivery times
Shipping times are estimates and begin after order processing. Delays may occur due to carrier issues, weather, or other unforeseen factors, and delivery dates are not guaranteed. Full terms are in our Shipping & Delivery Policy.
For laboratory research use only. Not for human or veterinary use.
Additional information
| pack | 1 pack, 3 pack, 5 pack, 10 pack |
|---|
Storage conditions at a glance
| Lyophilized, in transit | Stable for shipping for up to 3–4 months |
|---|---|
| Lyophilized, short term | Room temperature is usually adequate for several weeks; refrigeration under 4°C (39°F) is generally acceptable |
| Lyophilized, long term | Freezer at -80°C (-112°F) for several months to years |
| After reconstitution | Refrigerated; stable for up to 30 days |
| Light and moisture | Keep cold and away from light in the original sealed vial |
Why the powder is stable
All of our products are manufactured using the lyophilization (freeze drying) process, which keeps them stable for shipping for up to 3–4 months.
Lyophilization is a unique dehydration process, also known as cryodesiccation, where the peptides are frozen and then subjected to low pressure. This causes the water in the peptide vial to sublimate directly from solid to gas, leaving behind a stable, crystalline white structure known as lyophilized peptide. The puffy white powder can be stored at room temperature until it is reconstituted with bacteriostatic water.
Storing vials on arrival
Once peptides have been received, it is imperative that they are kept cold and away from light. If the peptides will be used in the next several days, weeks or months, short-term refrigeration under 4°C (39°F) is generally acceptable. Lyophilized peptides are usually stable at room temperatures for several weeks or more, so if they will be utilized within weeks or months such storage is typically adequate.
For longer term storage (several months to years) it is more preferable to store peptides in a freezer at -80°C (-112°F). When storing peptides for months or even years, freezing is optimal in order to preserve the peptide’s stability.
After reconstitution
Once the peptides are reconstituted with bacteriostatic water, they must be stored in the fridge to maintain stability. After reconstitution, the peptides will remain stable for up to 30 days.
For laboratory research use only. Not for human or veterinary use.
99%+ — Passes ≥99% 
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