For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

Testagen

by BioLongevity Labs· batch 43-3-45952

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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 3 tested batches of Testagen from BioLongevity Labs, measured purity averages 99.78%. Across all vendors, Testagen averages 98.41% over 65 COAs.

53.6% 100.0%
Vendor avg (3 batches) 99.78% Peptide avg (65 COAs) 98.41%
Compare pricing

See Testagen pricing across 11 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor.

Where to buy

Product pages for this peptide at BioLongevity Labs