TB-500 × growthguys.is — lab test, April 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
Label 10 mg · Lab measured 11.01 mg
110% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 2.8 mg using the measured mass, against 2.5 mg on the label — 10% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
Independent HPLC purity analysis of TB-500 from growthguys.is, performed by Janoshik Labs on April 29, 2025. Reported purity: 99.422%. Net content: 11.01 mg against 10 mg labeled (110% of label). Tested content exceeds the labeled amount by 10%. Batch TB04. 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