
Peptidology is different in three ways. 1. Product Our 14-point advanced testing protocol covers up to 27 units per batch — more than any other firm we're aware of. Every product exceeds 99% purity, and its contents are identified and confirmed. Up to 9 units per batch are tested for sterility and screened for common heavy metals, including chromium, arsenic, cadmium, and lead. Using ion chromatography, we screen for manufacturing byproducts such as trifluoroacetic acid (TFA), and we test for 15 industrial solvents commonly used in production, including benzene. We also screen for endotoxins (


















