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KPV is not offered as a standalone ExoLabz product; it appears in our catalogue only as one of the four components of the KLOW 80mg blend. This ILS Laboratories certificate, COA-2026-DV7ZIB, covers a separate 10 mg KPV sample and is transcribed here in full.

KPV report at a glance
| Laboratory | ILS Laboratories, San Diego (ISO/IEC 17025, PJLA scope) |
|---|---|
| Certificate number | COA-2026-DV7ZIB |
| Lot number (as submitted) | KPV108182026OU |
| Sample name as declared | KPV – 10mg |
| Labelled content | 10mg (3mL vial) |
| Date received | 25 August 2026 |
| Analysis date | 31 August 2026 |
| Peptide purity (HPLC) | 99.24% (specification ≥ 95.0%) — PASS |
| Net peptide content | 10.5 mg |
| Identity (HPLC retention time) | KPV — Confirmed |
| Fentanyl screen | Not detected (immunoassay, 50 ng/mL cutoff) |
| Appearance | Good |
| Method | RP-HPLC, area normalisation at 214 nm |
| Verification | portal.ils-lab.com — access code N6CLF6KH |
Reading COA-2026-DV7ZIB
The laboratory reports 99.24% purity by RP-HPLC at 214 nm and 10.5 mg net peptide content for a vial labelled 10 mg. Identity was confirmed by retention-time comparison with a KPV reference standard, and the fentanyl immunoassay (50 ng/mL cutoff) was negative. Analysis is dated 31 August 2026.
The chromatogram differs visibly from the other ILS reports in our collection: the main peak is broad, with a trailing shoulder and a raised baseline after it, rather than a narrow spike. The certificate does not comment on peak shape, and the reported purity is the laboratory’s own integration of that trace. KPV tripeptide identity analysis discusses how this three-residue peptide (Lys-Pro-Val) is characterised.
What this certificate does not establish
It concerns a standalone KPV vial, lot KPV108182026OU. It does not test the KLOW blend, and it says nothing about the other three KLOW components. There is no sterility, endotoxin or mass-spectrometry data. ILS notes that sample names and lot numbers come from the submitter and are not independently verified.
Why colour matching does not apply
ExoLabz matches vials to certificates by cap and crimp colour. The vial photographed on this report is a standalone KPV vial, not a KLOW vial, so the certificate should be read as supporting information on the KPV component rather than as the certificate for a KLOW lot.
Verification: portal.ils-lab.com, access code N6CLF6KH.
The product containing KPV is KLOW Blend 80mg (BPC-157 10 mg, TB-500 10 mg, GHK-Cu 50 mg, KPV 10 mg). See also KLOW blend components, the certificate collection and how to read a certificate of analysis.
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