Independent test result
P21
by Skye Peptides· batch P2125-10-001
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Purity not on file· tested September 4, 2025
How this batch compares
This batch has no measured purity on file. Across 1 tested batch of P21 from Skye Peptides, measured purity averages 99.68%. Across all vendors, P21 averages 99.13% over 2 COAs.
98.5% 99.8%
Vendor avg (1 batch) 99.68% Peptide avg (2 COAs) 99.13%
Where to buy
Product pages for this peptide at Skye Peptides
From the same lot
Other tests in lot P2125-10-001
Same batch, independently tested. Cross-confirm the purity claim.