Klow Blend 80mg
Research Peptide
Klow80 is a research blend combining four well-studied peptides in a single vial: TB-500 (thymosin beta-4 fragment), BPC-157 (body protection compound), GHK-Cu (copper tripeptide) and KPV (tripeptide anti-inflammatory fragment). Total 80mg per vial. Popular among research labs studying tissue repair and recovery pathways. Reconstitute with bacteriostatic water. For research use only.
For research use only. Not for human consumption.
Third-party lab verification
Every batch is tested by an independent laboratory using RP-HPLC to confirm identity, purity, and endotoxin levels. Sample results for Klow Blend 80mg shown below — lot-specific COAs available on request.
Independent Analytical Laboratory
Certificate of Analysis
Document
COA-KLW-2026-0505
Product
Klow Blend (TB-500 / BPC-157 / GHK-Cu / KPV)
Molecular Formula
Blend — see component analyses
Molecular Weight
Blend (4 actives, 20 mg each) g/mol
Lot Number
KLW-2026-0505
Appearance
Light blue lyophilized powder
Manufacture Date
2026-05-05
Retest Date
2028-05-05
Amino Acid Sequence
TB-500 · BPC-157 · GHK-Cu · KPV
Test Results
| Test | Specification | Result | Status |
|---|---|---|---|
| Identification | Conforms (MS) | Conforms | Pass |
| Purity (HPLC) | ≥ 98.0% | 99.27% | Pass |
| Water Content | ≤ 5.0% | 2.2% (Karl Fischer) | Pass |
| Endotoxin | < 10 EU/mg | <5 EU/mg (LAL) | Pass |
| Single Impurity | ≤ 1.0% | 0.43% | Pass |
Method
RP-HPLC, C18, 220 nm — composite assay of 4 actives
R. Halverson
QC Analyst
Sample document — request your lot's COA for verification.
RP-HPLC Chromatogram
Klow Blend (TB-500 / BPC-157 / GHK-Cu / KPV)
Detector
UV 220 nm
Retention
7.84 min
Area %
99.27%
Plates (N)
8,518
| Peak | RT (min) | Area % | Assignment |
|---|---|---|---|
| 1 | 6.42 | 0.24 | Impurity A |
| 2 | 7.84 | 99.27 | Klow Blend (TB-500 / BPC-157 / GHK-Cu / KPV) |
| 3 | 9.02 | 0.15 | Impurity B |
Sample chromatogram — lot-specific traces on request.
Illustrative sample — request your lot's COA via 907-252-1640