§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · JAN-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · N/A✓ Verified · Pass
SELANK × Penguin Peptides - Lab Test, January 2026
Tested · submitted by @Frank 👑 Legend
Test results
6 data points
Purity
99.62%
Endotoxins
Not tested
Stated qty
5 mg
Tested qty
5.47 mg
Qty match
109% of labeled · +9%
Batch ID
N/A
Tested by
Janoshik LabsView profile →
◆ Quantity verification
5 mg→5.47 mg+9%
About this test
This independent lab test confirms Selank 5mg from Penguin Peptides at 99.622% purity with an actual measured content of 5.47 mg. The analysis was conducted by Janoshik Labs on January 22, 2026.
Selank is a synthetic heptapeptide analog of tuftsin researched for its role in anxiolytic activity, cognitive enhancement, and immune modulation. A purity level of 99.622% 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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