Resources
Research & analytical insights from the NuRev Sales Research Team: how peptide materials are tested, documented and verified.
Research & Analytical Insights · October 19, 2026
Are Chinese Peptide Purity Standards Changing? What Recent Investigations Reveal About 99% Purity Claims
What the LA Times report on FDA findings at Chinese GLP-1 plants and a 2024 study of online semaglutide products mean for 99% purity claims, COAs and supplier verification.
Research & Analytical Insights · October 19, 2026
Why Peptide Purity Results Differ Between Independent Laboratories
Why one lab reports 99% HPLC purity and another 96%: chromatographic columns, UV detection wavelengths, peak integration, sample preparation, and how to investigate conflicting certificates of analysis.
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