§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · DEC-2025● VERIFIED SUBMISSION · PUBLIC RECORD

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◆ Batch ID · 250925K5✓ Verified · Pass

Kisspeptin × Certified Peptides - Lab Test, December 2025

Tested Thursday, December 18, 2025 · submitted by @Frank 👑 Legend

HPLC Purity

98.41%

✓ Excellent

PeptideKisspeptin

BrandCertified Peptides

LabVanguard Laboratory

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Test results

8 data points

Purity

98.41%

Endotoxins

<0.05 EU/mg

Stated qty

5 mg

Tested qty

5.63 mg

Qty match

113% of labeled · +13%

Batch ID

250925K5

Container

Small vial with flip-off cap / Printed label

Tested by

Vanguard LaboratoryView profile →

◆ Quantity verification

5 mg→5.63 mg+13%

About this test

This independent HPLC-UV/VIS lab test confirms Kisspeptin 5mg from Certified Peptides at 98.41% purity with an actual assay of 5.63 mg. The analysis was performed by Vanguard Laboratory and reported on December 19, 2025, under Batch Number 250925K5.

Kisspeptin is a neuropeptide researched for its role in reproductive endocrinology, gonadotropin-releasing hormone (GnRH) signaling, luteinizing hormone secretion, and fertility regulation. Additional testing confirmed endotoxin levels below 0.05 EU/mg (LAL method), sterility with no growth detected (USP <71>), and non-detectable levels of heavy metals including chromium, arsenic, cadmium, lead, and mercury via ICP-MS.

The full certificate of analysis is available for download on this page.