§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD

Home › Lab Tests › NextGen Peptides, Tirzepatide

◆ Batch ID · TRZ1333✓ Verified · Pass

Tirzepatide × NextGen Peptides - Lab Test, February 2026

Tested Wednesday, February 18, 2026 · submitted by @Frank 👑 Legend

HPLC Purity

99.63%

✓ Excellent

PeptideTirzepatide

Brandnexxgenpeptides.com

Labfreedomdiagnosticstesting.com

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Test results

8 data points

Purity

99.63%

Endotoxins

≤0.68 EU/mL

Stated qty

15 mg

Tested qty

14.91 mg

Qty match

99% of labeled · -1%

Batch ID

TRZ1333

Container

White Lyophilized Powder

Tested by

freedomdiagnosticstesting.comView profile →

◆ Quantity verification

15 mg→14.91 mg-1%

About this test

This independent HPLC lab test confirms GLP-1 TZ (Tirzepatide) 15mg from NextGen Peptides at 99.63% purity. The analysis was conducted by Freedom Diagnostics Testing on February 18, 2026, with a batch ID of TRZ1333.

GLP-1 TZ is a dual GIP/GLP-1 receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.63% indicates minimal contamination and high-grade synthesis. The product was delivered as a white lyophilized powder.

Endotoxin testing confirmed levels at ≤0.68 EU/mL (Pass), meeting safety standards for research applications. The full certificate of analysis is available for download on this page.