KLOW is a four-component research blend combining GHK-Cu, BPC-157, TB-500, and KPV. This guide summarizes what the published scientific literature has examined about each component, their molecular profiles, and how the blend is handled in a research setting. It is written for researchers and is not medical guidance.
What is KLOW?
KLOW combines four peptides that are each studied individually in the research literature:
- GHK-Cu (CAS 49557-75-7), copper-binding tripeptide studied in tissue-remodeling research. See our GHK-Cu research guide.
- BPC-157 (CAS 137525-51-0), synthetic pentadecapeptide studied in soft-tissue models. See our BPC-157 research guide.
- TB-500 (CAS 77591-33-4), fragment related to thymosin beta-4, studied in tissue-repair models.
- KPV (CAS 69630-60-0), the C-terminal tripeptide (Lys-Pro-Val) of alpha-MSH, studied for anti-inflammatory activity.
Research-use note: This blend is supplied strictly for laboratory research. It is not an approved drug or supplement and is not for human or animal consumption. Findings below come from cell-culture and animal-model studies.
Evidence at a glance
Preclinical only, blend unstudiedKLOW puts four peptides together, each with its own preclinical literature. No study has examined them as a combination.
Why researchers are interested
The four were chosen to cover repair and inflammation at the same time, through collagen and copper delivery, tendon and gut repair, cell migration, and an anti-inflammatory fragment. That breadth is the appeal of the blend, and also the reason nothing can be attributed to any one component.
What the research found
- Collagen and tissue remodelling (GHK-Cu)Stimulated collagen production and remodelling in vitro (Pickart, 2008)
- Tendon and gut repair (BPC-157)Fibroblast outgrowth in culture, and mucosal protection in rodent models (Chang, 2011)
- Wound closure and cell migration (TB-500)Faster repair in animal models (Goldstein, 2010)
- Anti-inflammatory action (KPV)Reduced intestinal inflammation in rodent colitis models (Dalmasso)
Reported in the literature
- None of the four components has published controlled human safety data.
- The four way combination has never been studied, so no interaction or additive effect data exists.
- Several components are prohibited in competitive sport under the WADA Prohibited List.
Findings are summarised from the sources listed under References on this page, and from approved product labelling where a compound has one. These are outcomes observed in published studies, not effects claimed for any person, and nothing here is a recommendation for human use.
How the blend works (the mechanisms studied)
Each component is studied along a distinct pathway: GHK-Cu in extracellular-matrix and gene-expression research, BPC-157 in tendon, muscle, and gastrointestinal models, thymosin beta-4 (TB-500) as an actin-binding peptide associated with cell migration, and KPV as an anti-inflammatory tripeptide examined in intestinal-inflammation models. The blend is used to study these research pathways together.
What researchers have studied
- GHK-Cu: Pickart (2008) reviewed GHK and tissue remodeling.
- BPC-157: Chang et al. (2011) examined tendon fibroblast outgrowth.
- Thymosin beta-4 (TB-500): Goldstein et al. (2010) reviewed it as a tissue-repair peptide.
- KPV: Dalmasso et al. (Gastroenterology, 2008) examined PepT1-mediated KPV uptake and intestinal inflammation.
These findings describe research outcomes in laboratory models, not validated outcomes in humans.
Handling and reconstitution in the laboratory
The blend is typically supplied as a lyophilized powder for research use. Standard laboratory practice is to reconstitute it with bacteriostatic water, swirl (not shake) until dissolved, and store the reconstituted solution refrigerated (2–8 °C). The lyophilized powder is generally stored frozen and protected from light. (General lab-handling notes, not usage instructions.)
For research use only
All products and information referenced here are intended strictly for laboratory and scientific research use only. They are not for human or animal consumption and are not drugs, foods, supplements, or medical devices. No statement here should be interpreted as medical advice.
Explore this blend and related research peptides
- KLOW 80mg, verified specifications
- GHK-Cu 50mg, copper tripeptide
- Wolverine Stack (BPC-157 + TB-500)
References
- Pickart L. The human tri-peptide GHK and tissue remodeling. 2008. PubMed
- Chang CH, et al. BPC 157 and tendon healing. J Appl Physiol. 2011. PubMed
- Goldstein AL, et al. Thymosin beta4: a multifunctional tissue repair and regeneration peptide. 2010. PubMed
- Dalmasso G, et al. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation. Gastroenterology. 2008. PubMed