Where to Buy Klow Peptide: Klow80 Price, COA Results and What to Check
Research use only. Peptides supplied by Peptryn are sold strictly for in vitro and preclinical laboratory research. They are not approved by the FDA for human or veterinary use, and nothing here is medical advice, a dosing recommendation, or an instruction for self-administration. This guide explains how to evaluate a laboratory material and its certificate. It does not tell anyone how to use a peptide.
Quick answer: Klow is sold as the Klow80 Blend, a lyophilized research blend of four compounds in one 80 mg vial: GHK-Cu 50 mg, TB-500 10 mg, BPC-157 10 mg and KPV 10 mg. Peptryn lists it at $160, and its current lot report (lot 2026-07-07) reads 99.74% purity by HPLC-UV-MS with a negative endotoxin result, tested by MZ Biolabs. Before you buy Klow from any seller, check that the listing names every component and amount, that the certificate matches the lot, and that you can open the report on the lab’s own site. Prices and lot data are as of October 11, 2026.
Peptryn sells Klow80, so we have an interest in this page. The lab results below come from our own certificate. They describe one lot tested by one lab, and the certificate states no measurement uncertainty.
What is in a Klow80 vial
Klow is not a standardized product name. Peptryn’s Klow80 is the Glow blend with KPV added, and GHK-Cu makes up 62.5% of the blend by mass. For the research behind each component, see our Klow peptide research guide.
| Component | Listed amount | Measured, lot 2026-07-07 | Measured vs listed |
|---|---|---|---|
| GHK-Cu | 50 mg | 50.65 mg | 101.3% |
| BPC-157 | 10 mg | 11.98 mg | 119.8% |
| TB-500 (thymosin beta-4 on the certificate) | 10 mg | 11.01 mg | 110.1% |
| KPV | 10 mg | 11.73 mg | 117.3% |
The certificate does not print a label amount for each component, so this comparison uses the composition on the product page. A blend reports one purity figure next to per-component amounts, so read the report itself and not only the headline number. Purity and quantity are separate results, which our data report and COA reading guide explain.
Klow80 vs Glow
| Glow Blend | Klow80 Blend | |
|---|---|---|
| Components | GHK-Cu, BPC-157, TB-500 | The same three plus KPV |
| Vial size | 70 mg | 80 mg |
| Price listed October 11, 2026 | $150 | $160 |
| Lot | 2026-07-07 | 2026-07-07 |
| Purity, HPLC-UV-MS | 99.81% | 99.74% |
| Endotoxin | Negative | Negative |
Both certificates come from MZ Biolabs and carry the same date as lot. That date is a label and not a manufacturer lot code, so match it to what is printed on your vial. The full Glow guide covers the three-compound blend.
Where to buy Klow peptide: six checks before you order
The research-peptide market has no FDA quality oversight, so checking a listing is the buyer’s job. Whoever sells it, work through these six points.
- The listing names every component and amount. “Klow” alone tells you nothing, because sellers do not agree on what is in it.
- The certificate names the lab and the lot. A generic PDF reused across products is a warning sign.
- You can open the lab’s own copy. A QR code, an ID or a task number and key on the lab’s site is stronger than a PDF on the seller’s site. Our Janoshik report guide shows how one lookup works.
- Endotoxin has its own report. A purity result does not cover it.
- The lot on the certificate matches the vial you receive. A report describes the sample tested, not every vial.
- The seller’s testing claims are specific. Look for the lab name, the tests run, a report ID and a date, as our Finnrick guide and supplier scorecard describe.
Red flags: no composition on the listing, no lab name, no lot, a report you cannot open on the lab’s site, or a seller who makes health claims or gives dosing instructions. Those instructions are marketing for human use, which research-use-only sellers should not provide.
How ordering works at Peptryn
The Klow80 Blend is listed at $160 for 80 mg. The product page lists $155.20 each for 3 to 4 vials, $152.00 each for 5 to 9 and $144.00 each for 10 or more, with free shipping over $150 and same-day dispatch from the USA. The lot report is on the Klow80 certificate page and in the COA Library. Sold for laboratory research only, 21 and over.
Klow peptide: common questions
Where can I buy Klow peptide?
Several sellers list a blend called Klow or Klow80, and the name is not standardized, so compare composition and certificates and not just the name. Peptryn sells the Klow80 Blend for laboratory research at $160 for an 80 mg vial. For any seller, work through the six checks above.
What is Klow peptide?
Klow is a pre-mixed research blend. Peptryn’s Klow80 holds GHK-Cu 50 mg, TB-500 10 mg, BPC-157 10 mg and KPV 10 mg in one 80 mg lyophilized vial. It is the Glow blend with KPV added. Our Klow peptide research guide reviews the evidence on each component.
What is in Klow80?
Four compounds in one 80 mg vial: GHK-Cu 50 mg, TB-500 10 mg, BPC-157 10 mg and KPV 10 mg. GHK-Cu is 62.5% of the blend by mass. On lot 2026-07-07, the lab measured 50.65 mg, 11.98 mg, 11.01 mg and 11.73 mg of those four.
How much does Klow80 cost?
Peptryn lists Klow80 at $160 for 80 mg as of October 11, 2026. Volume pricing is $155.20 each for 3 to 4 vials, $152.00 each for 5 to 9, and $144.00 each for 10 or more. Check the product page for current prices.
Is Klow80 the same as Glow?
No. Klow80 is the Glow blend with KPV added. Glow is a 70 mg vial of GHK-Cu 50 mg, TB-500 10 mg and BPC-157 10 mg. Klow80 is an 80 mg vial with the same three plus KPV 10 mg.
Does Klow80 have a certificate of analysis?
Yes. Peptryn publishes a certificate for lot 2026-07-07 from MZ Biolabs: 99.74% purity by HPLC-UV-MS, identity by mass spectrometry and a negative endotoxin result. A QR code and a link on the certificate page open the lab’s own copy.
Is Klow peptide for human use?
No. Peptryn sells Klow80 strictly for in vitro and preclinical laboratory research. It is not approved by the FDA for human or veterinary use, and Peptryn gives no dosing or administration guidance.
What is the difference between Klow, Klow80 and K-Glow?
People type all three, and search data shows kglow and klow 80 as common spellings. The name is not standardized across sellers, so confirm the exact components and amounts on the listing and the certificate before you order.
Last verified October 11, 2026. Sources: Peptryn’s Klow80 product page, Klow80 certificate, Glow product page and Glow certificate; MZ Biolabs report for lot 2026-07-07.
All products on peptryn.com are intended for laboratory research purposes only. They are not drugs, foods, dietary supplements or cosmetics, and they are not for human consumption, self-administration, or veterinary use. You must be 21 or older to buy. The information on this page has not been evaluated by the U.S. Food and Drug Administration and is not intended to diagnose, treat, cure, or prevent any disease. Nothing here should be construed as medical advice.
