§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JAN-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · N/A✓ Verified · Pass
Tirzepatide × Penguin Peptides - Lab Test, January 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.68%
✓ Excellent
Test results
6 data points
Purity
99.68%
Endotoxins
Not tested
Stated qty
10 mg
Tested qty
9.12 mg
Qty match
91% of labeled · -9%
Batch ID
N/A
Tested by
Janoshik LabsView profile →
◆ Quantity verification
10 mg→9.12 mg-9%
About this test
This independent lab test confirms Tirzepatide 10mg from Penguin Peptides at 99.680% purity with an actual measured content of 9.12 mg. The analysis was conducted by Janoshik Labs on January 21, 2026. The lab noted the sample was tested twice.
Tirzepatide is a dual GIP/GLP-1 receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. A purity level of 99.680% indicates high-grade synthesis with minimal impurities.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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