Janoshik Analytical explained

Janoshik Analytical is an independent analytical laboratory in the Czech Republic and one of the most widely used third-party testing services in the research-compound community. AVERON sends samples from every batch it sells to Janoshik for testing. This page explains how that works and what the resulting reports can and cannot tell you.

Independent means independent of the seller

Janoshik tests samples submitted by manufacturers, sellers and individual buyers. The laboratory has no involvement in producing or selling the products it tests. That separation is what gives its results their value: the laboratory has no reason to report a better result than the sample deserves.

How public verification works

Each test is given a task number and a unique key. Together they form the address of the report on Janoshik's public verification server, verify.janoshik.com. Anyone who has the task number can open the original record directly on the laboratory's site.

This matters because a report shared as a PDF or image can be edited. A record on the laboratory's own server can only be changed by the laboratory. When you verify a report, open it on Janoshik's site rather than relying on a file someone sent you. For AVERON products, every link on our verify page goes directly to verify.janoshik.com.

What a standard test covers

For most individual peptides, Janoshik's standard analysis reports the compound's identity, amount and purity: whether the sample is the stated compound, how much of it was measured, and what share of the detected material is the target compound.

For blends containing several peptides, the standard analysis reports the identity and amount of each component. Purity is not reported for blends, because the impurities of the mixed peptides overlap and cannot be separated in the analysis.

For GLP-1 class compounds, Janoshik offers a blind test that identifies which of the common GLP-1 compounds is present without being told in advance, and measures its amount and purity. That makes substitution between these compounds detectable.

What is available as an additional service

Several tests are separate, paid additions rather than part of the standard analysis. They include:

• Endotoxin analysis
• Sterility testing
• Heavy metals analysis
• Screening for contamination with other peptides
• Counter-ion (TFA) analysis
• Variance testing across several vials of the same batch

If these results are not printed on a report, those tests were not performed. We explain why they matter in what a lab report does not tell you.

How to use a Janoshik report

1. Open the report on verify.janoshik.com, never from a file alone.
2. Check the sample name matches the compound you have.
3. Check the batch information matches the batch code on your vial.
4. Read the identity, amount and purity results.
5. Note which additional tests, if any, were performed.