
KLOW Blend (Injectable)
Ultimate 4-peptide healing stack
The pepti Pen cartridge for this treatment is sold out right now. The vial is the same medication at our best price.
All-in monthly price
No membership fee · this is the full price · free shipping · avg 4-week supply
Add in-depth bloodwork
Optional — add a physician-reviewed at-home blood panel to your plan.
Your sex-hormone baseline plus the safety markers that matter on therapy — blood counts, liver and kidney function — from one painless upper-arm device. Matched to your sex (PSA for men; progesterone & FSH for women). No needle, no clinic, physician-reviewed.
This treatment requires licensed provider review and approval. Treatment is not guaranteed. If prescribed, medication is fulfilled by a licensed U.S. pharmacy where permitted by law. Compounded medications are not FDA-approved or FDA-cleared.

Reviewed by Dr. Gene, MD · Board-certified Family Medicine
Every Pepti prescription is reviewed by a licensed U.S. physician before it's dispensed — and only provided if clinically appropriate.
KLOW Blend (Injectable)
Our most comprehensive recovery protocol — combines GHK-Cu, KPV, BPC-157, and TB-500 in a single vial. Targets every stage of the repair cascade: inflammation, collagen synthesis, angiogenesis, and cellular migration.
About a 4-week supply supply at the standard prescribed dose — your physician confirms exact dosing.
A licensed US physician reviews your intake and prescribes when appropriate.
Compounded fresh at a US pharmacy and shipped cold-chain to your door.
Every order ships free — medication, physician care and refills, one all-in price.
Amounts shown are per unit. Compounded fresh at a US FDA-registered pharmacy.
Every batch independently tested
Every medication batch dispensed through Pepti is independently tested by a qualified third-party laboratory for applicable quality and safety standards before the pharmacy releases it. Batches are tested to the same standard used by 503B outsourcing facilities.
Confirms the finished preparation is free of viable microorganisms.
Screens for endotoxins that can cause fever or inflammatory reactions.
Verifies the labeled concentration of the active peptide is what is in the vial.
Checks the active peptide against impurities and degradation products.
Confirms the peptide in the vial is the correct molecule.
Confirms the solution sits within the range specified for injection.
Checks the finished vial for visible and sub-visible particles.
Confirms the vial seal holds so sterility is maintained through the beyond-use date.
How KLOW Blend is prescribed.
- Adults who want a broad recovery and skin-support blend in one vial
- Patients managing inflammation across more than one area
- People combining recovery goals with skin or collagen goals
Your physician decides whether KLOW Blend is appropriate for you after reviewing your intake and labs.
Inject 0.25 mL (25 units) subcutaneously Monday through Friday mornings.
- Licensed physician review of your intake, history, and labs
- Medication compounded to your prescription by a PCAB-accredited, FDA-registered pharmacy
- Every batch independently tested before release
- Sterile syringes and alcohol prep pads for injectables
- Tracked delivery to your door, refills on schedule
- Message your physician anytime; dose changes without an appointment
- Store refrigerated (36–46°F / 2–8°C) at all times, including before first use.
- One vial is your monthly supply. A fresh vial ships every 28 days on your refill schedule, so you're always well inside the beyond-use date on your label.
- Protect from light. Wipe the stopper with an alcohol pad before every draw.
- Dispose of syringes in the sharps container per the included instructions.
A typical course of KLOW Blend.
Everything published
about KLOW Blend.
How it is described to work, pathway by pathway. What the research shows and what it does not. Where it stands with the FDA, dated and sourced.
Read the referencepeer-reviewed, each verified on PubMed
mechanism, evidence, dosing, safety, FAQ
2026 · checked against fda.gov, not memory
How KLOW Blend works, and what the research shows.
KLOW combines four peptides — GHK-Cu, KPV, BPC-157, and TB-500 — into a single vial.
Each targets a different stage of the repair cascade: KPV controls inflammation, BPC-157 stimulates angiogenesis, TB-500 mobilizes cell migration, and GHK-Cu drives collagen synthesis.
The blend's components are individually studied: GHK-Cu has decades of dermatologic research on collagen synthesis and wound repair, BPC-157 and TB-500 have extensive preclinical tissue-repair literature, and KPV has shown anti-inflammatory effects in preclinical gut-inflammation models.
Maquart et al., FEBS Lett 1988; Pickart & Margolina 2018The four-peptide combination itself has not been evaluated in human trials; physicians prescribe it based on the component evidence.
References
- Pickart L, Vasquez-Soltero JM, Margolina A. GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration · Biomed Res Int (2015) · PMID 26236730
- 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 (1985) (2011) · PMID 21030672
- Dalmasso G, Charrier-Hisamuddin L, Nguyen HT et al.. PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation · Gastroenterology (2008) · PMID 18061177
- Goldstein AL, Hannappel E, Sosne G et al.. Thymosin β4: a multi-functional regenerative peptide. Basic properties and clinical applications · Expert Opin Biol Ther (2012) · PMID 22074294
- Brzoska T, Luger TA, Maaser C et al.. Alpha-melanocyte-stimulating hormone and related tripeptides: biochemistry, antiinflammatory and protective effects in vitro and in vivo, and future perspectives for the treatment of immune-mediated inflammatory diseases · Endocr Rev (2008) · PMID 18612139
Citations are provided for educational purposes. They do not constitute medical advice. Always discuss any peptide protocol with your prescribing physician.
Important safety information
+
Possible side effects
Do not use if you have
If you experience severe side effects, call 911 or go to your nearest emergency room.
5 mL multi-dose vial, GHK-Cu 10 mg/mL + KPV 2 mg/mL + BPC-157 2 mg/mL + TB-500 2 mg/mL (50 mg GHK-Cu / 10 mg KPV / 10 mg BPC-157 / 10 mg TB-500 per vial); as the Pen: 3 mL pre-filled Pen cartridge containing 50 mg GHK-Cu + 10 mg KPV + 10 mg BPC-157 + 10 mg TB-500
Frequently asked
about KLOW Blend (Injectable).
Our most comprehensive recovery protocol — combines GHK-Cu, KPV, BPC-157, and TB-500 in a single vial. Targets every stage of the repair cascade: inflammation, collagen synthesis, angiogenesis, and cellular migration. KLOW Blend is prescription-only at Pepti: a licensed physician reviews your assessment and, if appropriate, prescribes it to be compounded by a state-licensed, FDA-registered pharmacy.
KLOW Blend is $259 per month at Pepti as a vial, or $369 as a pre-filled pepti Pen. That is all-in: medication, physician review and ongoing care, shipping, and messaging. No membership, consult, or visit fees, and the price is the same in every state.
KLOW Blend is commonly prescribed for: Adults who want a broad recovery and skin-support blend in one vial; Patients managing inflammation across more than one area; People combining recovery goals with skin or collagen goals. Whether it is appropriate for you is decided by the reviewing physician from your history, medications, and labs where required.
Yes. KLOW Blend is prescription-only. The free online assessment takes about five minutes, a physician licensed in your state reviews it within 4 hours, and if approved the prescription goes to the pharmacy. If not approved, the medication charge is refunded.
No. KLOW Blend can be prescribed from the assessment alone. Bloodwork is required only for the GLP-1s and growth-hormone secretagogues, and the intake tells you if a medication on your order needs it.
KLOW Blend is a subcutaneous injection into the abdomen or thigh with a small insulin syringe. Your kit ships with sterile syringes and alcohol prep pads, and the exact dose and schedule are printed on the pharmacy label. Dosing videos are in your account. It is also available as a pre-filled pepti Pen for $369.
33 more questions about Pepti, answered.Show fewer
One vial is your monthly supply at the dose your physician prescribes. A fresh vial ships about every 28 days, and the date moves if your physician changes your dose. Store it as the pharmacy label directs, refrigerated.
Once per fill, $259 each time, when the next vial ships. It renews until you cancel, which you can do anytime from your account with no cancellation fee.
The compounded KLOW Blend with sterile syringes and alcohol prep pads, free tracked shipping in an unbranded box with insulated packaging, the physician review, ongoing physician care and dose adjustments, and unlimited messaging.
Reported side effects of KLOW Blend are usually mild: mild redness or swelling at injection site; temporary fatigue or headache; mild nausea (uncommon). The physician screens your history, medications, and allergies before prescribing, the medication-specific consent lists the known risks, and you can message your physician about anything you notice. Seek emergency care for severe symptoms.
Response varies by person, goal, and dose, and KLOW Blend is prescribed for ongoing use rather than a short trial. Your physician sets expectations at approval, tracks how you respond through your account, and adjusts the dose without an appointment.
Yes. Request it from your account or the app; your physician approves or declines. If approved you pay for the additional medication at the pharmacy's cost and the new dose applies to your next shipment.
Yes. Add KLOW Blend to a plan with another treatment and both go through one assessment and one physician review, shipping together on one schedule. Each keeps its own catalog price. The physician reviews the combination and can adjust it.
No. Compounded KLOW Blend is not FDA-approved. It is prepared to your physician's prescription by a state-licensed, FDA-registered 503A pharmacy and every batch is independently tested before release.
Yes, when prescribed by a licensed physician and dispensed by a licensed pharmacy, which is how Pepti provides it in every state it serves. Research-use-only KLOW Blend sold without a prescription is labeled not for human use and is a different product.
KLOW combines four peptides — GHK-Cu, KPV, BPC-157, and TB-500 — into a single vial. At Pepti it is prescribed to support full-body regeneration, anti-inflammatory, collagen + tissue repair, cellular migration. Individual response varies, and your physician sets expectations at approval.
KLOW combines four peptides — GHK-Cu, KPV, BPC-157, and TB-500 — into a single vial. Each targets a different stage of the repair cascade: KPV controls inflammation, BPC-157 stimulates angiogenesis, TB-500 mobilizes cell migration, and GHK-Cu drives collagen synthesis. Compounded KLOW Blend is not FDA-approved; it is prescribed off-label by a licensed physician after reviewing your assessment.
KLOW Blend is prescribed for full-body regeneration, anti-inflammatory, collagen + tissue repair, cellular migration. It is commonly requested by adults who want a broad recovery and skin-support blend in one vial; patients managing inflammation across more than one area; people combining recovery goals with skin or collagen goals. Whether it is appropriate for you is the reviewing physician's decision.
KLOW Blend is studied for full-body regeneration, anti-inflammatory, collagen + tissue repair, cellular migration. Those are the goals it is prescribed to support at Pepti; results vary by person, dose, and consistency, and no outcome is guaranteed. Your physician tracks how you respond through your account.
The blend's components are individually studied: GHK-Cu has decades of dermatologic research on collagen synthesis and wound repair (Maquart et al., FEBS Lett 1988; Pickart & Margolina 2018), BPC-157 and TB-500 have extensive preclinical tissue-repair literature, and KPV has shown anti-inflammatory effects in preclinical gut-inflammation models. The four-peptide combination itself has not been evaluated in human trials; physicians prescribe it based on the component evidence. References are listed on this page.
KLOW Blend is generally not prescribed with: active cancer or history of cancer (unless approved by oncologist); pregnancy or breastfeeding; severe kidney or liver disease; known allergy to the peptide or excipients. The physician screens for these in your intake, and anything that rules KLOW Blend out means it is not prescribed and is refunded.
At Pepti. Complete the free assessment, a physician licensed in your state reviews it within 4 hours, and if appropriate KLOW Blend is compounded by a state-licensed, FDA-registered pharmacy and shipped free to your door for $259 per month, all-in. Not prescribed means refunded.
Injectable vial: 5 mL, containing 50 mg GHK-Cu + 10 mg KPV + 10 mg BPC-157 + 10 mg TB-500. Pepti Pen cartridge: 3 mL cartridge (300 units), containing 50 mg GHK-Cu + 10 mg KPV + 10 mg BPC-157 + 10 mg TB-500. One vial is your monthly supply at the prescribed dose, and a fresh one ships about every 28 days.
Yes. KLOW Blend is available as a pre-filled pepti Pen cartridge for $369 per month, versus $259 as a vial. Same medication, same pharmacy; the reusable injector is free with your first pen order. Choose the format in the cart or ask your physician.
$259 per month covers the compounded KLOW Blend, the physician review, ongoing physician care including dose adjustments and refill review, unlimited messaging, and free tracked shipping. There is no membership, consult, visit, or refill fee; the only separate charges are optional at-home lab panels and a physician-approved dose increase billed at pharmacy cost.
Yes. KLOW Blend is on Pepti's live catalog, which lists only treatments a partner pharmacy can compound and ship today. If a physician prescribes it, it ships; if it ever cannot be dispensed, the charge is refunded.
KLOW Blend ships to 50 states, free and tracked, in insulated unbranded packaging. Eligibility is confirmed during the assessment from your shipping address.
$259 per month at Pepti as a vial, or $369 as a pepti Pen. That includes the compounded KLOW Blend, the physician review and ongoing care, free tracked shipping, and messaging, with no membership, consult, or visit fee. The price is the same in every state and every refill is the same price.
Yes. Pepti offers KLOW Blend as a pre-filled pepti Pen cartridge for $369 per month, or as a vial for $259. The reusable injector is included free with your first pen order and tips come with every cartridge. Same medication, same pharmacy, physician-prescribed after a free online assessment.
Yes. Pepti prescribes KLOW Blend online in 50 states after a free assessment reviewed by a physician licensed in your state. It is compounded by an FDA-registered pharmacy and shipped free, $259 per month all-in. Not prescribed means refunded.
Yes. At Pepti the entire process is telehealth: a five-minute online assessment, physician review within 4 hours, then KLOW Blend ships from the pharmacy. No clinic visit and no video appointment in most cases. $259 per month, all-in.
Yes, for the real thing. KLOW Blend sold without a prescription is research-use-only product labeled not for human use, with no physician, no pharmacy, and no verified testing. Pepti's KLOW Blend is physician-prescribed, pharmacy-compounded, batch-tested, and $259 per month including the physician and shipping.
Pepti does, in 50 states, with named board-certified physicians, a state-licensed FDA-registered compounding pharmacy, independent batch testing, and one published all-in price of $259 per month with no membership or consult fee. Refunded if the physician does not prescribe.
It is legal to be prescribed KLOW Blend online by a licensed physician and have it dispensed by a licensed pharmacy, which is how Pepti provides it. Buying it as a research chemical without a prescription is a different product and is not for human use. Compounded KLOW Blend is not FDA-approved.
$259 per month at Pepti, or $369 as a pepti Pen, including the medication, the physician, and shipping. Refills are the same price and there is no membership fee.
Yes. Pepti has no clinics: the assessment, physician review, messaging, dose changes, and refills all happen online, and KLOW Blend ships free from the pharmacy to your door in 50 states.
Start the free assessment at hellopepti.com, choose KLOW Blend, and answer the health questions. A physician licensed in your state reviews it within 4 hours. If approved, KLOW Blend ships within 1-3 business days and arrives in 1-3 more; if not, the $259 is refunded.
No. KLOW Blend can be prescribed from the assessment alone at Pepti. Bloodwork is required only for GLP-1s and growth-hormone secretagogues.
Pepti ships KLOW Blend to 50 states, free and tracked, refrigerated in insulated packaging, directly from the pharmacy. Delivery is 1-3 business days after the pharmacy compounds it.
Questions people ask
about KLOW Blend (Injectable).
- What Is KLOW Blend? The Four-Peptide Repair Formula, Explained in FullKLOW is 50 mg GHK-Cu, 10 mg KPV, 10 mg BPC-157 and 10 mg TB-500 in one 5 mL vial. Full specification, per-injection amounts, dosing, comparisons and who should avoid it.
- Is GHK-Cu Safe? Copper Load, Side Effects and Who Should Avoid ItWhat is known about GHK-Cu safety: the copper-specific risks, reported side effects, the conditions that rule it out, and the monitoring a physician applies to injectable use.
- Is BPC-157 Safe? Side Effects, Contraindications and What Is UnknownThe honest safety picture for BPC-157: what animal research reports, the side effects patients describe, who should avoid it, what monitoring looks like, and what nobody knows yet.
- Where to Buy GHK-Cu Online: Injectable Prescription vs Serum vs Grey MarketThree different products are sold as GHK-Cu. This explains what GHK-Cu is, which version needs a prescription, how to get the injectable legitimately, what it costs, and the red flags.
- Where to Buy BPC-157 Online: The Prescription Route, Step by StepBPC-157 without a prescription is a research chemical. This is how the prescription route works, what it costs, what a legitimate provider looks like, and the red flags.
- BPC-157 vs TB-500: Mechanism, Cost, and Why They Are CombinedA head-to-head comparison of the two repair peptides: what each does mechanistically, what each is chosen for, dosing rhythm, side-effect profile, price, and who suits which.
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- Cleanliness and sterile processes
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