KLOW Stack — Four Peptides. One Protocol.
Full-Spectrum Recovery.
The KLOW Stack combines BPC-157, TB-500, KPV, and GHK-Cu into a single compounded injectable — four complementary healing peptides addressing every layer of tissue repair, inflammation, and cellular regeneration simultaneously.
Where the Wolverine Stack targets acute musculoskeletal recovery, the KLOW Stack goes further — adding KPV's precision anti-inflammatory and gut-protective action, and GHK-Cu's deep cellular regeneration and collagen signaling to the proven BPC-157 and TB-500 foundation. Available prescription-only with your async consult included.
Prescription required. Async provider visit included with your order.
What Is the KLOW Stack?
The KLOW Stack is a compounded four-peptide injectable blend containing BPC-157, TB-500 (Thymosin Beta-4 fragment), KPV, and GHK-Cu (Copper Peptide GHK-Cu) in a single 5mL vial. It is the most comprehensive recovery and regeneration peptide protocol in the VitalRx catalog — designed for patients who want the full architecture of healing addressed in a single formulation rather than managing multiple separate compounds.
Each component of the KLOW Stack addresses a distinct and complementary dimension of tissue repair and regeneration. BPC-157 drives local angiogenesis and growth factor activation at the injury site. TB-500 works systemically to reduce inflammation and promote repair cell migration throughout the body. KPV — a tripeptide fragment of alpha-MSH — delivers potent, targeted anti-inflammatory and gut-protective effects through melanocortin receptor signaling. GHK-Cu activates the body's own wound-healing gene expression program, driving collagen synthesis, cellular turnover, and broad-spectrum tissue regeneration.
Together, these four compounds address the complete tissue repair cascade: establishing blood supply, mobilizing repair cells, suppressing pathological inflammation, rebuilding the extracellular matrix, and stimulating the cellular gene expression changes that underpin genuine tissue regeneration. No single peptide in the catalog covers all of these dimensions simultaneously — which is the core clinical rationale for the KLOW Stack formulation.
Stack Components
BPC-157
Local angiogenesis, growth factor upregulation, tendon and muscle repair, GI protection
TB-500
Systemic anti-inflammation, repair cell migration, systemic angiogenesis, connective tissue repair
KPV
Melanocortin receptor anti-inflammation, gut lining protection, targeted immune modulation
GHK-Cu
Collagen synthesis, wound healing gene activation, cellular regeneration, antioxidant and anti-aging effects
How the KLOW Stack Works
The KLOW Stack's four peptides operate through mechanistically distinct and non-redundant pathways — each targeting a different aspect of the healing process, and each amplifying the others' effects through complementary action.
BPC-157 initiates local healing at the injury site. It upregulates vascular endothelial growth factor (VEGF) and activates the nitric oxide system to drive angiogenesis — the formation of new blood vessels — directly at the damaged tissue. This local vascular response accelerates the delivery of oxygen, nutrients, and circulating repair cells to where they are needed most.
TB-500 extends this healing architecture systemically. As a fragment of Thymosin Beta-4, it regulates actin to facilitate cell migration throughout the body — allowing repair cells, including mesenchymal stem cells, to mobilize and travel to injury sites. TB-500 simultaneously modulates pro-inflammatory cytokines systemically, reducing the chronic inflammation that impairs healing across all injury sites.
KPV (Lys-Pro-Val) adds a distinct and clinically important anti-inflammatory layer through melanocortin receptor activation. Unlike TB-500's broad cytokine modulation, KPV acts with precision on the NF-κB inflammatory signaling pathway — directly suppressing the gene expression program that drives chronic inflammation. KPV is particularly protective of gut epithelial integrity.
GHK-Cu operates at the deepest level of the four — activating over 4,000 human genes associated with wound healing, tissue remodeling, collagen and elastin synthesis, antioxidant defense, and nerve regeneration. GHK-Cu's copper-dependent enzyme activation also directly supports the cross-linking of newly synthesized collagen into functional, load-bearing connective tissue.
Key Biological Pathways
BPC-157 — Local Angiogenesis & Growth Factor Activation
VEGF upregulation and nitric oxide pathway activation drive new blood vessel formation at the injury site, restoring perfusion and nutrient delivery while counteracting inflammation-driven growth factor suppression.
TB-500 — Systemic Cell Migration & Anti-Inflammation
Actin regulation facilitates repair cell and stem cell mobilization to injury sites throughout the body; cytokine modulation reduces the systemic inflammatory burden that impairs healing everywhere.
KPV — NF-κB Suppression & Gut Barrier Protection
Melanocortin receptor activation directly suppresses NF-κB-driven inflammatory gene expression with high precision, while protecting gut epithelial tight junctions from inflammation-induced permeability.
GHK-Cu — Wound Healing Gene Activation
Activates over 4,000 genes associated with tissue repair, remodeling, and regeneration — including collagen and elastin synthesis, cellular antioxidant defense, and nerve repair — driving fundamental cellular rebuilding rather than surface-level recovery.
GHK-Cu — Collagen Cross-Linking
Copper-dependent enzyme activation supports the structural cross-linking of newly synthesized collagen into organized, mechanically competent connective tissue — ensuring that new tissue is functional, not just present.
Synergistic Coverage of the Full Repair Cascade
The four peptides together address every major phase of tissue healing: vascular supply (BPC-157), systemic cell mobilization (TB-500), inflammatory regulation (KPV + TB-500), extracellular matrix rebuilding (GHK-Cu), and deep cellular regeneration (GHK-Cu) — a coverage no single peptide achieves.
KLOW Stack Benefits
The KLOW Stack's four-peptide architecture produces benefits that span every dimension of recovery and regeneration:
Full-Spectrum Tissue Repair
By covering local angiogenesis, systemic cell migration, inflammatory regulation, and cellular gene expression simultaneously, the KLOW Stack creates a recovery environment that addresses every rate-limiting step in tissue healing at once. Patients recovering from muscle tears, tendon injuries, ligament damage, cartilage degeneration, and surgical procedures report accelerated timelines that single-peptide protocols cannot match.
Superior Anti-Inflammatory Coverage
The KLOW Stack delivers anti-inflammatory action through two distinct and complementary pathways: TB-500's broad cytokine modulation and KPV's targeted NF-κB suppression. This dual-mechanism approach provides more complete and sustained control of inflammatory signaling than either compound achieves alone — reducing both the acute inflammatory response and the chronic low-grade inflammation that drives tissue degradation over time.
Gut Lining Protection & GI Healing
KPV directly protects gut epithelial integrity through melanocortin receptor signaling, while BPC-157 — originally isolated from gastric secretion — has its deepest evidence base in GI healing. Together they form the most comprehensive gut-protective peptide combination in the catalog, making the KLOW Stack particularly appropriate for patients dealing with gut permeability, IBD-adjacent conditions, or NSAID-induced GI damage alongside a physical recovery protocol.
Collagen Synthesis & Connective Tissue Rebuilding
GHK-Cu activates the collagen and elastin synthesis gene program and supports the copper-dependent cross-linking enzymes that produce structurally competent connective tissue. This deep structural rebuilding benefit is unique to the KLOW Stack within the recovery stack lineup — tendons, ligaments, and cartilage are not just repaired, they are rebuilt with improved structural integrity.
Cellular Regeneration & Anti-Aging
GHK-Cu's activation of over 4,000 wound healing and regeneration genes produces cellular-level renovation that extends well beyond injury recovery. Regular KLOW Stack protocols support skin quality, cellular antioxidant defense, neurological tissue integrity, and the broad-spectrum cellular maintenance associated with GHK-Cu's anti-aging profile.
Accelerated Recovery from Chronic Injuries
Chronic injuries — persistent tendinopathy, long-standing joint inflammation, recurring overuse damage — are characterized by failed healing cycles where the tissue cannot progress past a state of low-grade inflammation and partial repair. The KLOW Stack's comprehensive inflammatory control (KPV + TB-500) combined with active tissue rebuilding signals (BPC-157 + GHK-Cu) breaks this cycle, addressing both the inflammatory block and the anabolic deficit that keeps chronic injuries from fully resolving.
Post-Surgical & Wound Healing
The KLOW Stack's combination of angiogenesis activation, anti-inflammatory control, gut protection, and collagen synthesis support makes it a particularly strong post-surgical recovery adjunct — supporting faster wound closure, reduced scarring, improved structural integrity of repaired tissue, and reduced NSAID-driven GI damage in post-operative pain management protocols.
KLOW Stack Dosage & Administration
Dosage is determined by your prescribing provider based on your individual health profile, injury type, and therapeutic goals. The following reflects the available formulation at VitalRx and general clinical reference information.
Subcutaneous Injection
The KLOW Stack is administered as a subcutaneous injection — injected just beneath the skin using a small insulin-style syringe, typically near the primary injury site or in the abdomen. Proximity to the injury site is commonly recommended for BPC-157's local angiogenic effect; TB-500, KPV, and GHK-Cu distribute systemically from any injection site.
Concentration
BPC-157 3mg/mL + TB-500 3mg/mL + KPV 3mg/mL + GHK-Cu 10mg/mL — 5mL vial
Typical Dose
250–500mcg of BPC-157 and TB-500 per injection; KPV and GHK-Cu pro-rated
Frequency
Once or twice daily (loading); 3–5x/week (maintenance)
Onset
Recovery improvements within 1–2 weeks; full benefits over 6–12 weeks
Protocol Phases
Loading Phase
Weeks 1–4
Higher frequency dosing — typically once or twice daily — to rapidly establish peptide levels and initiate the full healing cascade simultaneously across all four mechanisms.
Maintenance Phase
Weeks 5–12
Reduced frequency — 3–5 times per week — to sustain the healing environment and cellular regeneration signaling as tissue repair progresses.
Off Cycle
4–8 weeks post-protocol
A rest period following the full protocol. Many patients return for repeat cycles for long-term maintenance and anti-aging protocols. Your provider will advise on cycling based on your response and ongoing goals.
Important Notes
- Injecting near the primary injury site is commonly recommended to maximize BPC-157's local angiogenic effect
- TB-500, KPV, and GHK-Cu distribute systemically from any subcutaneous injection site
- Refrigerate upon receipt and use within the timeframe on your prescription label
- Syringes and alcohol swabs are included with your order
- Do not adjust dose or frequency without consulting your provider
KLOW Stack vs. Wolverine Stack — Choosing the Right Recovery Protocol
Both the KLOW Stack and the Wolverine Stack are built on the same BPC-157 + TB-500 foundation. The difference is depth and scope — the KLOW Stack adds KPV and GHK-Cu to address dimensions of healing the Wolverine Stack does not cover.
Wolverine Stack
BPC-157 + TB-500 — $225.00
The focused two-peptide recovery protocol. BPC-157 drives local angiogenesis and tissue repair; TB-500 provides systemic anti-inflammation and cell migration support. Best for acute sports injuries, straightforward musculoskeletal recovery, and patients starting a peptide recovery protocol for the first time.
Best for: Acute injury recovery, sports medicine, straightforward musculoskeletal healing
KLOW Stack
BPC-157 + TB-500 + KPV + GHK-Cu — $239.00
The comprehensive four-peptide protocol. Adds KPV's targeted NF-κB anti-inflammatory and gut-protective action, and GHK-Cu's collagen synthesis and cellular regeneration gene activation. Best for chronic injuries, complex healing goals, patients with GI involvement, and anyone seeking the deepest possible tissue rebuilding.
Best for: Chronic/complex injuries, post-surgical recovery, GI issues, anti-aging and cellular regeneration
For most acute sports injuries and straightforward recovery goals, the Wolverine Stack is the right starting point. For chronic injuries, complex recovery contexts, gut involvement, or patients who want GHK-Cu's deep cellular regeneration, the KLOW Stack is the more complete solution — and at $14 more per vial, it represents exceptional value for what it delivers.
Who Is the KLOW Stack For?
The KLOW Stack may be the right protocol if you are:
- Dealing with a chronic or complex injury that hasn't fully resolved with simpler recovery protocols — where complete inflammatory control and deep cellular rebuilding are required
- Post-surgical and want the most comprehensive tissue healing support available in a single injectable
- Experiencing GI issues, gut permeability, or NSAID-related gut damage alongside a physical recovery protocol
- An athlete or active patient seeking not just injury recovery but structural tissue quality improvement — stronger tendons, ligaments, and connective tissue as a long-term outcome
- Interested in incorporating GHK-Cu's anti-aging and cellular regeneration benefits alongside a healing protocol, without managing a separate injectable
- A returning peptide user who has cycled the Wolverine Stack and wants to add the depth of KPV and GHK-Cu to their next protocol
Appropriate for most patients: The KLOW Stack is appropriate for most patients seeking a comprehensive recovery protocol. Your provider will review your full health history and current medications during the async consultation to confirm it is right for your specific situation.
KLOW Stack Pricing at VitalRx
All prices below are retail. Your async provider consultation is included with every order. Syringes and alcohol swabs are included. Shipping via FedEx Standard Overnight is $15.
KLOW Stack — 4-Peptide Blend (5mL)
BPC-157 3mg/mL + TB-500 3mg/mL + KPV 3mg/mL + GHK-Cu 10mg/mL
The most comprehensive single-vial recovery and regeneration protocol in the VitalRx catalog. Prescription required.
$239.00
Subcutaneous Injection
FedEx Standard Overnight — $15.00. Syringes and alcohol swabs included.
Requires a valid prescription. Async provider visit is included with your order.
How to Get Started with the KLOW Stack at VitalRx
Select the KLOW Stack
Add the KLOW Stack 5mL vial to your order. Your async provider consult is included and will cover dosing protocol, injection technique, cycling guidance, and what to expect over the course of your protocol.
Complete Your Async Consult
Answer a brief health intake questionnaire at your own pace — no video call, no waiting room. A licensed provider reviews your submission and issues your prescription when clinically appropriate.
Receive Your Order
Your prescription is filled by Optimal Balance Pharmacy and shipped via FedEx Standard Overnight directly to your door — with syringes and alcohol swabs included.
Prescription required. Async provider visit included. All compounds prepared by Optimal Balance Pharmacy.
Frequently Asked Questions About the KLOW Stack
The information provided on this page is for educational purposes only and does not constitute medical advice. All medications available through VitalRx require a valid prescription from a licensed healthcare provider. Results vary based on individual health status, injury type, dosing, and adherence to protocol. This content has not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new treatment.