§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · DEC-2025● VERIFIED SUBMISSION · PUBLIC RECORD
HomeLab Tests Nextday Sciences, Tirzepatide
◆ Batch ID · 2025A58-11 Verified · Pass

Tirzepatide × Nextday Sciences - Lab Test, December 2025

Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.76%
Excellent
Independent verification available

Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

Test results

7 data points
Purity
99.76%
Endotoxins
Not tested
Stated qty
40 mg
Tested qty
43.47 mg
Qty match
109% of labeled · +9%
Batch ID
2025A58-11
Container
Transparent Blue
Tested by
Janoshik LabsView profile →
◆ Quantity verification
40 mg43.47 mg+9%

About this test

This independent HPLC lab test confirms Tirzepatide 40mg from Nextday Sciences at 99.756% purity. The analysis was conducted by Janoshik Labs on December 2, 2025.

Tirzepatide is a dual GIP/GLP-1 receptor agonist researched for its effects on metabolic regulation, weight management, and glycemic control. A purity level of 99.756% indicates high-grade synthesis with minimal contamination.

The full certificate of analysis (Task #91206, Verification Key: C26FS8XU3XCA) is available for download on this page.

Certificate of analysis

Original document
Tirzepatide Nextday Sciences COA
Issued by Janoshik Labs · Dec 02, 2025 · Batch 2025A58-11

Related lab tests

8 tests
◆ More from Nextday Sciences
◆ More Tirzepatide tests
♡ Likes · 0

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.

Submit a lab test →