PT-141 × Growth Guys — Lab Test, September 2025
Janoshik Labs publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This certificate carries no lookup code.
Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of PT-141 from growthguys.is, performed by Janoshik Labs on September 22, 2025. Reported purity: 99.881%. Net content: 12.05 mg against 10 mg labeled (121% of label). Tested content exceeds the labeled amount by 21%. Batch PT02. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion