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

Home › Lab Tests › Certified Peptides, Tirzepatide

◆ Batch ID · 251107TZ103✓ Verified · Pass

Tirzepatide × Certified Peptides - Lab Test, December 2025

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

HPLC Purity

99.67%

✓ Excellent

PeptideTirzepatide

BrandCertified Peptides

LabVanguard Laboratory

↓ Download COA 🔗 Share

Test results

8 data points

Purity

99.67%

Endotoxins

<0.05 EU/mg

Stated qty

10 mg

Tested qty

9.87 mg

Qty match

99% of labeled · -1%

Batch ID

251107TZ103

Container

Small vial with printed label reading "TIZEPATID" / "10 MG" / Certified Peptides branding / Green checkmark / Flip-off cap

Tested by

Vanguard LaboratoryView profile →

◆ Quantity verification

10 mg→9.87 mg-1%

About this test

This independent HPLC-UV/VIS lab test confirms Tirzepatide 10mg from Certified Peptides at 99.67% purity with an actual assay of 9.87 mg. The analysis was performed by Vanguard Laboratory and reported on December 19, 2025, under Batch Number 251107TZ103.

Tirzepatide is a dual GIP/GLP-1 receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. 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.