For laboratory research use only. Not for human or veterinary consumption.

LL-37: where to get lab-tested lots

Last updated Oct 8, 2026 · Paramount Peptides prices checked Oct 7, 2026 · 4 tested lots on file

Affiliate disclosure: the shop buttons are affiliate links and SKYLER is Skyler Humphrey's affiliate code. We earn a commission at no extra cost to you. Full disclosure

LL-37 is available from both of our tested suppliers. Each section lists that supplier's products with the latest certificate for each; every lot links to its own page with the full results and the lab's verification link.

LL-37 from Paramount Peptides

2 tested lots on file · labs on these certificates: Janoshik

ProductVialPriceLatest lotTested lots
LL-37 (5mg)5 mg$75.00
listed price, checked Oct 7, 2026
L375N070725
99.27% · Jul 16, 2025 · Janoshik
2Shop ↗
LL-37 (10mg)10 mg$85.00
listed price, checked Oct 8, 2026
No COA yet
No certificate of analysis is on file for this product page (checked Oct 8, 2026).
0Shop ↗

Visit Paramount Peptides ↗ Paid link · code SKYLER = 10% off (offer as of Oct 7, 2026)

LL-37 from Peptira

2 tested lots on file · labs on these certificates: Freedom Diagnostics

ProductVialPriceLatest lotTested lots
LL-37 Vial 5 mg5 mgSee site
prices are shown after research-account sign-in
LL37-5-002
99.93% · Jan 31, 2026 · Freedom Diagnostics
2Shop ↗

Visit Peptira ↗ Paid link · code SKYLER = 10% off (offer as of Oct 7, 2026)

Prices are the listed price on the supplier's public product page on Oct 7, 2026, before any code or shipping, and they change often. "See site" means the price isn't public or we couldn't confirm it.

Code SKYLER10% off at Paramount Peptides and Peptira

Offer as of Oct 7, 2026. SKYLER is Skyler Humphrey's affiliate code: we earn a commission on orders that use it, at no extra cost to you. Code details

More on the compound itself: LL-37 research profile (identity, research record and regulatory status). Every lot is listed in the COA lookup.