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Certificate of Analysis · KLOW Blend · Certificate reference 050591

COA # COA-2026-955271 · certificate reference 050591 (printed on the certificate as Lot Number).

Independent third-party testing by ILS Laboratories, San Diego, CA, on one certificate covering purity, identity, endotoxin and sterility. The certificate links to the laboratory's verification portal.

Product: KLOW Blend · 80 mg

Laboratory: ILS Laboratories, 8222 Vickers St Suite 106, San Diego CA 92111

Laboratory accreditation: ISO/IEC 17025 (as stated on the certificate)

The laboratory's portal shows this certificate at its verify link; the access code is printed on the certificate.

Certificate of analysis — full panel (RP-HPLC at 214 nm; identity by HPLC retention time vs. reference standard)

Report COA-2026-955271Tested 8/7/2026

Result
Purity · RP-HPLC at 214 nm
99.72% (laboratory specification ≥95.0%)
Identity · HPLC retention time vs. reference standard
GHK-Cu, BPC-157, TB-500, KPV, Confirmed
Labelled content
80 mg
Assayed content
82.46 mg (laboratory specification Report Only)
On the assayed figure
Reported as Net Blend Peptide Content against a Report Only specification; the certificate sets no acceptance range.
Fill volume
3 mL
Appearance
Good
Sample matrix
Lyophilized
Date received
07/16/2026
Net blend peptide content, calculated — GHK-Cu
51.66 mg
Net blend peptide content, calculated — BPC-157
10.23 mg
Net blend peptide content, calculated — TB-500
10.44 mg
Net blend peptide content, calculated — KPV
10.13 mg
On the per-component figures
Per-component content calculated from total net peptide content using the manufacturer's stated formulation ratio (GHK-Cu, BPC-157, TB-500, KPV). All components confirmed present by HPLC identity testing, unless explicitly stated otherwise.
Heavy metals — Arsenic (As) · ICP-MS
0.077 (laboratory specification NMT 1.5 ppm) (PASS)
Heavy metals — Cadmium (Cd) · ICP-MS
0.0378 (laboratory specification NMT 0.5 ppm) (PASS)
Heavy metals — Lead (Pb) · ICP-MS
0.098 (laboratory specification NMT 1.0 ppm) (PASS)
Heavy metals — Mercury (Hg) · ICP-MS
0.00021 (laboratory specification NMT 1.5 ppm) (PASS)
Heavy metals — Chromium (Cr) · ICP-MS
0.037 (laboratory specification NMT 10.0 ppm) (PASS)
On the heavy-metals figures
Elemental impurities analyzed by ICP-MS per USP <233> methodology. Acceptance criteria are internal laboratory quality screening limits for research-use materials and do not represent evaluation against any specific pharmacopeial monograph or product specification.
Verify on ILS Laboratories

Verify this certificate with the laboratory at portal.ils-lab.com using access code U6KVCBDT. That confirms the document is genuine and was issued by them. It confirms the certificate, not your individual vial.

The laboratory’s PDF of report COA-2026-955271
ILS Laboratories certificate of analysis COA-2026-955271, page 1 of 2, for KLOW Blend, certificate reference 050591: purity 99.72% against the laboratory's ≥95.0% specification, the identity result, net peptide content 82.46 mg, and the chromatogram.ILS Laboratories certificate of analysis COA-2026-955271, page 2 of 2, for KLOW Blend, certificate reference 050591: the sterility and endotoxin entries, the laboratory's notes on method, and its verification details.

Endotoxin and sterility, on the same certificate

Endotoxin (USP <85>): 0.101 EU/mL (Reported)Sterility (PCR): No Growth (PASS)

About the laboratories: who tests our lots, the methods each uses and how to verify a certificate.

For Research Use Only. Not for human consumption.