HPLC Verified Ā· Third-Party Tested Certificates of Analysis Every Peak Peptides batch is independently tested by qualified US labs. Browse the full library of release-grade Certificates of Analysis below. Certificate of Analysis 01 open Certificate of Analysis 02 open Certificate of Analysis 03 open Certificate of Analysis 04 open Certificate of Analysis 05 open Certificate of Analysis 06 open Certificate of Analysis 07 open Certificate of Analysis 08 open Certificate of Analysis 09 open Certificate of Analysis 10 open Certificate of Analysis 11 open Certificate of Analysis 12 open Certificate of Analysis 13 open