A COA is one data point. Finnrick test results across hundreds of samples show how purity and quantity can vary, and what to check before trusting a label claim.
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Finnrick focuses on independent peptide testing, a system designed to minimize conflicts of interest, increase comparability, and catch errors that can slip through self-administered workflows.
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For a year, the American public has been asking Finnrick to test their peptides, building the largest real-world dataset of peptide demand ever assembled.
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Free peptide test submissions now require a batch ID with photo evidence. Without batch IDs, published results can't be tied to a specific production run. Samples without batch IDs can still be tested through the private option or any paid add-on.
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Certificates of Analysis report lab testing results for peptide samples. Understanding how to read them helps you evaluate whether vendor claims are supported by data.
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We didn’t start Finnrick because we have an opinion about whether you should take peptides. We started Finnrick because people already are, and reliable, independent information about what’s actually in the vial has been too hard to get.
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What independent testing reveals about bacterial contamination in gray-market peptide supply chains
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