Independent test result
PT-141
by BioLongevity Labs· batch 25-3-45952
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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 8 tested batches of PT-141 from BioLongevity Labs, measured purity averages 99.73%. Across all vendors, PT-141 averages 99.72% over 137 COAs.
98.8% 100.0%
Vendor avg (8 batches) 99.73% Peptide avg (137 COAs) 99.72%
Compare pricing
See PT-141 pricing across 42 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
From the same lot
Other tests in lot 25-3-45952
Same batch, independently tested. Cross-confirm the purity claim.