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

Independent test result

LL-37

by BioLongevity Labs· batch 16-3-45954

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 LL-37 from BioLongevity Labs, measured purity averages 99.87%. Across all vendors, LL-37 averages 99.35% over 39 COAs.

90.4% 100.0%
Vendor avg (2 batches) 99.87% Peptide avg (39 COAs) 99.35%
Compare pricing

See LL-37 pricing across 16 verified vendors

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

Where to buy

Product pages for this peptide at BioLongevity Labs