This independent lab test confirms Selank 10mg from Penguin Peptides at 99.820% purity with an actual measured content of 11.37 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 99.820% reflects high-grade synthesis with negligible impurities.
The full certificate of analysis is available for download on this page.
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