TB-500 99.9% Purity — Reta PeptideCertificate of Analysis · Independent third-party lab result
This COA was tested by an independent third-party lab, LabE. The TB-500 batch (Nov 8, 2025) showed 99.91% purity via HPLC and mass quantification. Quantity was 9% over the label, and the test is recent (3-6 months old). Endotoxin status is not applicable for this test type. Customers can verify on the lab's public URL.
- endotoxin status n/a
- Test date
- 2025-12-06
- Testing lab
- LabE
- Batch / lot
- Nov 8, 2025
- Quantity
- 10.9mg
- Endotoxins
- —
- Assay method
- HPLC + mass quantification + endotoxins
- Test score
- 8.8
- Label dose
- 10mg
How this result compares
This TB-500 certificate's tested purity of 99.91% ranks higher than 97% of the 1248 TB-500 certificates with a purity result we have catalogued (median 99.39%).
Tested 2025-12-06 by LabE via HPLC + mass quantification + endotoxins. This test is newer than 35% of our catalogued TB-500 certificates.
Reta Peptide has 249 certificates in our corpus, including 14 for TB-500 at a median tested purity of 98.13%.
Test report image
Finnrick
Artifact capturedWe have the certificate image (SHA-256 hash captured) — you can verify it loads from the upstream lab and matches the artifact shown here.
Verify on the upstream labSaved source document
sha256:744552bcd384db95…
— immutable copy held by TitrateLab