At a glance
- Mechanism of action
- Combination of four individually well-studied peptides: GHK-Cu (copper tripeptide, collagen/remodeling signaling), BPC-157 (angiogenesis, soft-tissue repair), TB-500 (thymosin-β4 fragment, cell migration) and KPV (α-MSH fragment, NF-κB inhibition, anti-inflammatory). Targets overlapping regeneration and inflammation pathways.
- Benefits & use
- Reported use cases (per compounders and community literature): accelerated tissue repair (tendons, muscle, skin), post-procedure recovery, systemic anti-inflammation (including mucosa/epithelium) and general regeneration. No approved indication.
- Study status
- Level 2: the individual components are well studied preclinically, but no standalone human trials evaluate the four-peptide combination; evidence relies on component-data extrapolation plus user reports.
- Dosing note
- Standard vial is 80 mg total (50 mg GHK-Cu + 10 mg BPC-157 + 10 mg TB-500 + 10 mg KPV); smaller vials exist. The split may vary slightly by compounder. Not a dosing instruction - informational only.
Use in the injection calculator
The Klow Stack (KLOW) is a peptide blend of four known, individually researched peptides combined in a single vial. It focuses on regeneration, tissue repair and systemic anti-inflammation. Evidence level 2 (experimental): no standalone human trials exist for the combination itself.
What is in the Klow Stack?
The recipe is now openly disclosed by essentially every compounder - it is no longer proprietary in any meaningful sense. The standard is an 80 mg vial in a 50 / 10 / 10 / 10 split:
- GHK-Cu (50 mg): copper-binding tripeptide (Gly-His-Lys), collagen and remodeling signaling.
- BPC-157 (10 mg): pentadecapeptide from gastric juice, studied preclinically for angiogenesis and soft-tissue repair.
- TB-500 (10 mg): synthetic fragment of thymosin-β4, studied for cell migration and vascular remodeling.
- KPV (10 mg): C-terminal tripeptide of α-MSH (Lys-Pro-Val), anti-inflammatory via NF-κB inhibition.
Some compounders deviate slightly in the ratios; the components themselves are consistent across vendors.
How does Klow differ from the Glow Stack?
The Glow Stack contains the same three regenerative peptides (GHK-Cu + BPC-157 + TB-500) but no KPV. KPV is the actual difference: it adds a systemic, NF-κB-driven anti-inflammatory axis on top of the regenerative base. Users who want inflammation control (skin, mucosa, systemic) in addition to regeneration usually end up on KLOW.
Who is Klow intended for?
- Tissue repair: tendons, muscle, post-procedure recovery.
- Skin and connective tissue: collagen support, scar healing.
- Inflammation modulation: NF-κB inhibition via KPV, particularly epithelial/mucosal.
- General regeneration: user reports, no validated clinical indication.
What does the evidence say?
Evidence is, frankly, thin: level 2, experimental. The individual components (GHK-Cu, BPC-157, TB-500, KPV) are solidly studied preclinically; a standalone clinical trial of the four-component combination does not yet exist. All KLOW-specific effect claims are based on component-data extrapolation plus anecdotal reports.
Important note on name confusion
Various online sources claim KLOW contains "the Klotho protein", blocks apoptosis or extends lifespan by 15-20%. Those statements refer to endogenous α-Klotho, a bona fide longevity protein with documented anti-apoptotic and neuroprotective activity. The KLOW peptide blend has nothing to do with it: it contains no Klotho protein and no Klotho sequence. The name overlap (reportedly a nod to Klotho / Clotho, the Greek Fate who spins the thread of life) is purely semantic.
Regulatory status
KLOW is not an approved drug (no FDA/EMA approval for the combination). It is supplied by compounding pharmacies as a "research use" / off-label preparation. Use only under medical supervision and with realistic expectations of the evidence.
Related peptides
Sources
- Peptides for Plastic Surgery Recovery: A Clinical Guide to GLOW, KLOW, and NAD Plus
- Anti-Inflammatory Role of the Klotho Protein and Relevance to Aging (Cells, MDPI)
- Pathobiology of the Klotho Antiaging Protein and Therapeutic Considerations (Frontiers in Aging)
- Klotho antiaging protein: molecular mechanisms and therapeutic potential (PMC)