This independent lab test confirms VIP (Vasoactive Intestinal Peptide) 10mg from Penguin Peptides at 99.422% purity with an actual measured content of 9.89 mg. The analysis was conducted by Janoshik Labs on January 21, 2026.
VIP is a neuropeptide researched for its role in vasodilation, smooth muscle relaxation, immune modulation, and circadian rhythm regulation. A purity level of 99.422% indicates high-grade synthesis with minimal impurities.
The full certificate of analysis is available for download on this page.
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