LL-37 × Certified Peptides - Lab Test, February 2026
Test results
About this test
This independent HPLC-UV/VIS lab test confirms LL-37 5mg from Certified Peptides at 99.07% purity with an actual assay of 4.92 mg. The analysis was performed by Vanguard Laboratory and reported on February 16, 2026, under Lot Number 250819LL5.
LL-37 is a human cathelicidin antimicrobial peptide researched for its role in innate immune defense, antimicrobial activity against bacteria and viruses, wound healing, and modulation of inflammatory responses. Additional testing confirmed endotoxin levels below 5.00 EU/mg (LAL method), sterility with no growth detected (USP <71>), and non-detectable levels of heavy metals including chromium, arsenic, cadmium, lead, and mercury via ICP-MS.
The full certificate of analysis is available for download on this page.
Certificate of analysis
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