Quality Without Question Marks
Every product is independently tested by Janoshik Analytical before it ships. No exceptions. Click any COA below to verify on Janoshik’s portal.
Certificates of Analysis
Click any product to view its full Janoshik report. All results independently verified.
Based in the Czech Republic, Janoshik is the gold standard for independent peptide analysis. HPLC purity testing, mass spectrometry verification, and full identity confirmation on every batch we sell.
From Lab to Your Door
Source
We evaluate products across multiple ISO 9001 certified facilities and select based on testing performance — not loyalty to a single supplier.
Test
Every batch is sent to Janoshik Analytical for independent HPLC purity and mass spectrometry identity testing.
Ship
Products that pass are stored in our climate-controlled US facility and shipped within 1-2 business days with a verifiable COA.
Our Manufacturing Partners
We work with multiple ISO 9001 certified facilities and curate the best-performing products based on independent testing results. Every batch undergoes QC at the source, then third-party verification before US distribution.
Questions About Our Testing?
We’re happy to explain our process or provide additional documentation.
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