This independent HPLC-UV-MS analysis confirms PE 22-28 20mg from Limitless Life Nootropics at 98.25% purity. The testing was conducted on March 10, 2025 by MZ Biolabs, a third-party analytical laboratory based in Tucson, Arizona.
PE 22-28 (H-Gly-Glu-Ser-Tyr-Gly-Leu-Arg-OH) is a synthetic neuropeptide researched for its potential neuroprotective and cognitive support properties. A purity level of 98.25% indicates high-grade synthesis quality with minimal impurities. The chromatographic analysis identified PE 22-28 as the predominant peak with twelve total detected peaks.
The full certificate of analysis is available for download on this page.
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.