Name: KLOW Blend 80mg (10 Vials / Kit)
Brand: HK Peptide
SKU: HK-BBGK
Price: 180.00 USD
Availability: InStock

KLOW Blend at a glance

KLOW is a fixed combination product rather than a new molecule. Each 80 mg vial holds four separately studied peptides: 10 mg BPC-157, 50 mg GHK-Cu, 10 mg TB-500 and 10 mg KPV. The name builds on GLOW, the three-peptide mix without KPV. Because the components keep their own structures, the blend is best described in terms of its parts, and the copper carried by GHK-Cu can give the powder a faint blue color.

Price and availability

HK Peptide lists this kit of 10 vials at KLOW Blend 80mg each (800 mg in total), shipped from Hong Kong, Hong Kong. At $180.00 for the kit, that works out to $0.225 per mg. Of the 10 KLOW Blend listings on the marketplace, from 10 brands, this is the 3rd-lowest price per mg. Funds stay in escrow and are released to HK Peptide only when you mark the order as received.

This listing: HK Peptide KLOW Blend

Brand: HK Peptide
Kit: 10 vials
Price per vial: $18.00
Also sold by: BioPepta 80mg $170.00 · HPEBIO 80mg $170.00 · JP 80mg $180.00 · HKTide Biotech 80mg $196.20 · UWA Biotech 80mg $260.00 · European Peptide Sciences 80mg $750.00

Lab testing

HK Peptide published a Janoshik #124564 report for this compound. Test: Content Quantification. Result: GHK-Cu 63.47 mg · BPC-157 11.00 mg · TB-500 10.87 mg. Tested Mar 24, 2026. Verification key G1SZWIKBNQSQ can be checked at janoshik.com.

View the report · How to read it (Testing 101) · Every report for this compound

Bought through escrow: the brand is only paid after you confirm delivery. If the parcel never arrives, or an independent test shows the wrong compound or a significant under-fill, open a claim before releasing payment.

What it is studied for

Each component brings its own research profile. BPC-157, a stable fragment derived from a gastric protein, is studied in tendon, gut and blood-vessel models. GHK-Cu, a copper-binding tripeptide, is investigated for effects on collagen production and the expression of genes involved in tissue remodeling. TB-500 regulates actin and is associated with cell migration in repair studies. KPV, a short fragment of alpha-MSH, is examined for dampening inflammatory signaling through the NF-kB pathway. Combining them in one vial does not by itself establish any interaction between them.

Research and regulatory status

There is a preclinical literature for each peptide on its own, covering skin and wound models, gut inflammation, connective tissue and cell culture. The four-way combination, however, has not been studied as a formulation in controlled experiments, so any conclusions about KLOW as a whole are extrapolated from single-agent work. None of the components is an approved medicine for human use, and the blend has no regulatory status beyond research material.

Checking the lab data

A credible KLOW report identifies all four peptides separately. Expect mass spectrometry confirming BPC-157, GHK-Cu, TB-500 and KPV at their expected masses, and an HPLC trace in which each component is resolved and quantified against the stated 10/50/10/10 mg split. A single overall purity number is not enough for a blend. The cake may carry a pale blue tint from the copper complex; dark or patchy discoloration is worth questioning.

This listing has an independent lab report attached; the testing panel above summarises what the tested sample contained against its label.

Listing details

Compound: KLOW Blend
Synonyms: BPC-157 / GHK-Cu / TB-500 / KPV blend
Class: Four-peptide research blend
Format: Lyophilized (freeze-dried) powder
Vial strength: KLOW Blend 80mg
Vials per kit: 10
Total content: 800 mg
Price per mg: $0.225
Sold by: HK Peptide
Ships from: Hong Kong, Hong Kong
Lab report: Independent report attached

Storage and preparation

Keep unopened freeze-dried vials cold, sealed and out of the light; moisture is what degrades a lyophilized cake fastest. After reconstitution, refrigerate the solution and work within the stability window your protocol sets.

Concentration arithmetic: one 80 mg vial dissolved in 2 mL gives 40 mg/mL, or 80 mg/mL in 1 mL. The Research Lab calculator in your dashboard handles any other volume.

Buyer questions

Why would a researcher choose a blend over separate vials?

Mainly convenience and a fixed ratio. A combined vial means one preparation instead of four, and the proportion of each peptide is set by the manufacturer. The trade-off is flexibility: the ratio cannot be adjusted, and if one component degrades or is underfilled, the whole vial is affected, which makes component-level testing important.

Is there research on the four peptides used together?

Not in a controlled, published form that we are aware of. Each peptide has its own preclinical literature, and the blend is a commercial combination of those individually studied materials. Claims that the four work better together are not supported by direct evidence, so the combination should be treated as a convenience format.

How much KLOW Blend is in this listing?

10 vials of KLOW Blend 80mg each — 800 mg in all. Where a lab report exists, the testing panel above shows what the brand's tested sample actually measured.

When does HK Peptide get paid?

Only after you confirm delivery. Until then the payment is held in escrow, and you can open a claim if anything is wrong with the order.

Supplied for laboratory research only. Not for human or veterinary use, and not a substitute for any prescription medicine. Nothing on this page is medical advice.