Independent test result
Cortagen
by BioLongevity Labs· batch 37-3-45952
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Purity not on file· tested November 19, 2025
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How this batch compares
This batch has no measured purity on file. Across 2 tested batches of Cortagen from BioLongevity Labs, measured purity averages 99.81%. Across all vendors, Cortagen averages 99.52% over 7 COAs.
99.0% 99.9%
Vendor avg (2 batches) 99.81% Peptide avg (7 COAs) 99.52%
Compare pricing
See Cortagen pricing across 4 verified vendors
Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor.
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