TB-500 × Nextgen Peptides — Lab Test, May 2026
ILS Laboratories 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 20 mg · Lab measured 20.55 mg
103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 5.1 mg using the measured mass, against 5 mg on the label — 3% 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 Nextgen Peptides, performed by ILS Laboratories on May 10, 2026. Reported purity: 99.87%. Net content: 20.55 mg against 20 mg labeled (103% of label). Batch TB20-5. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of TB-500 from Nextgen Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| TB10-07 | 6 May 2026 | ILS Laboratories | 99.85% | 105% | Unverified |
| GLW4760 | 12 Dec 2025 | freedomdiagnosticstesting.com | 99.6% | 100% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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