3rd Party Testing
Every peptide we supply is sent to Janoshik Analytical — an independent laboratory — for HPLC purity and mass verification. Tap any compound below to view its certificate.
99%+
Avg purity
100%
Batches tested
HPLC + MS
Verified
Certificates of Analysis
Click a peptide to view its report
Janoshik Analytical
Recognized independent peptide testing laboratory used across the research community.
HPLC + Mass Spec
High-performance liquid chromatography combined with mass spectrometry for exact identity and purity.
Verification process
See the proof for yourself
We publish the actual lab report for every batch. No summaries, no screenshots — just the raw certificate.
Step 01
Find your batch
Click any peptide above to open its full Janoshik certificate.
Step 02
Check the data
Compare the batch number, purity percentage, and test date on the report.
Step 03
Confirm it yourself
Use the report details to verify results directly with Janoshik Analytical.
No passing report, no sale
If a batch doesn't meet our purity standard, it doesn't leave the lab.
Research use only
Verified purity. Verified identity. Every batch, every time.