What exactly is in the KLOW blend?

KLOW is a single co-lyophilised vial holding four peptides: GHK-Cu (50 mg), BPC-157 (10 mg), TB-500 (10 mg) and KPV (10 mg), for a total of 80 mg. Each has its own line of repair research, and the blend lets a lab study them together. The lot certificate states the assayed content of each component.

What does the research show about these peptides?

In preclinical and cell-based studies, GHK-Cu is linked to collagen and skin remodeling, BPC-157 to tendon and gut tissue healing in rodents, TB-500 to cell migration and blood-vessel growth, and KPV to reduced inflammatory signaling. These are research-model findings, not proven human outcomes. The value of the blend is studying several repair routes in one preparation.

Are any of these peptides FDA approved?

No. GHK-Cu, BPC-157, TB-500 and KPV are not FDA-approved drugs and none is approved for human use in this form. This material is supplied strictly for in-vitro and laboratory research use only — not for human or veterinary consumption.

How does a blend differ from buying the peptides separately?

A blend fixes the four peptides at set amounts in one co-lyophilised vial, so every reconstitution keeps the same ratio — useful when researchers want to test combined repair pathways rather than isolate one. Buying separately gives more control over individual amounts. KLOW is built for the combined-study approach.

What are the molecular details of the components?

GHK-Cu is a copper-bound tripeptide (C14H24N6O4·Cu), BPC-157 is a 15-amino-acid peptide (C62H98N16O22), TB-500 is a fragment of Thymosin beta-4, and KPV is a three-amino-acid peptide (C19H27N5O4). Purity is ≥99% by HPLC-UV with identity confirmed by LC-MS. Where a salt form applies, the certificate states it and the corresponding molecular weight.

KLOW Blend

Four repair peptides, one vial, built for tissue research

99.78% pure on this exact lot, verified by an independent lab, not by us
Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
Retest it at any lab. If it doesn't match our report, every dollar back

$149/ 50/10/10/10 mg vial

$74.50 per vial with Buy 1, Get 1 Free

Buy 1, Get 1 Free — add 2 to cart, applied automatically

In stock

99.78% pure on this exact lot, verified by an independent lab, not by us
Tested in America. Ships within 1 business day, stored frozen, stable at room temperature until you mix it
Retest it at any lab. If it doesn't match our report, every dollar back

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Certificate of analysis

Every vial ships with its own report

We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.

Lot-specific HPLC purity + LC-MS identity
Raw chromatogram + mass confirmation attached
Signed off by the lab's Principal Chemist
Permanent archive — searchable by lot ID

or browse the lot archive

KLOW Blend · 50/10/10/10 mgLot 29UTZYLive

Purity by HPLC-UV

99.78%

Tested by: Freedom Diagnostics
Tested on: 19 Oct 2026
Net content: GHK-Cu – 48.45 mg | KPV – 10.34 mg | BPC-157 – 8.64 mg | Thymosin Beta-4 – 8.32 mg

Contaminant screens

Heavy metalsEndotoxinsMicrobialSolvents

See all lab reports

Live batch data

Freedom Diagnostics

Independent analytical lab

Certificate of Analysis

RESULT · PASS

Lot 29UTZYVerified

KLOW Blend 50/10/10/10 mg

HPLC purity

99.78%

Pass · Meets spec

Tested

19 Oct 2026

HPLC-UV + LC-MS

Analytical results

Identity (LC-MS)ConfirmedPASS

Net contentGHK-Cu – 48.45 mg | KPV – 10.34 mg | BPC-157 – 8.64 mg | Thymosin Beta-4 – 8.32 mgPASS

HPLC Chromatogram

Main peak 99.78% · other 0.22%

Alex JohnsonPrincipal Chemist

Authentichain

Collagen signalingGHK-Cu

Tissue repairBPC-157

AngiogenesisTB-500

How KLOW Blend works

The blend is studied for four distinct repair routes, each carried by a different peptide.

Collagen signalingGHK-Cu

GHK-Cu is studied for shuttling copper into skin cells and switching on genes tied to collagen and matrix remodeling.

Tissue repairBPC-157

BPC-157 is investigated in rodent models for speeding recovery of tendon, muscle and gut-lining tissue.

AngiogenesisTB-500

TB-500 is studied for regulating actin and driving cell migration and new blood-vessel growth in wound models.

For research use only. Mechanisms described reflect published preclinical and clinical literature.

Every batch we've tested

Anyone can show you one good report. Here is every batch of KLOW Blend we have ever released, newest first, each with its own signed report. Nothing hidden, nothing cherry-picked.

8 batches on record · latest tested 19 Oct 2026

All lab reportsEvery KLOW Blend batch, on one page.The full testing history with every signed report. No login, no email wall.See all lab reports

What the studies found

Published findings on this compound, each linked to its source. Animal and lab results are context, not claims about this product.

Bladder painClinical

10 of 12

In a pilot study of 12 women with hard-to-treat bladder pain syndrome, 10 reported full symptom relief after one BPC-157 bladder treatment, with no placebo group.

no placebo group

Altern Ther Health Med 2024 · pilot, n=12

10/12Full symptom reliefAbout 80% relief

Self-rated response after a single treatment

Wound healingPreclinical

−64.5%

In rats with wounds in skin starved of blood flow, GHK-Cu gel shrank wound area by 64.5% in 13 days, versus 28.2% for untreated wounds.

vs −28.2% untreated

Untreated−28.2%

Gel base only−45.6%

GHK-Cu gel−64.5%

Drop in wound area by day 13