§ 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
99.83%
✓ Excellent
Test results
6 data points
Purity
99.83%
Endotoxins
Not tested
Stated qty
20 mg
Tested qty
21.26 mg
Qty match
106% of labeled · +6%
Batch ID
N/A
Tested by
Janoshik LabsView profile →
◆ Quantity verification
20 mg→21.26 mg+6%
About this test
This independent lab test confirms Tirzepatide 20mg from Penguin Peptides at 99.830% purity with an actual measured content of 21.46 mg. The analysis was conducted by Janoshik Labs on January 21, 2026.
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 99.830% 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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