HomeLab Tests Research Peptides Europe, TB-500
Purity · passBatch · TB500/2025-11-20Shop-provided sample

TB-500 × Research Peptides Europe — Lab Test, November 2025

Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
98.99%
Excellent purity only
↓ Download COA
COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

What portal verification means →

Test results

7 data points
Purity
98.99%
Endotoxins
< 0.001 EU/mg
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.71 mg
Qty match
114% of labeled · +14%
0label125%
Batch / Lot
TB500/2025-11-20
Tested by
liquilabsView profile →

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 Thymosin Beta-4 from researchpeptideseurope.com, performed by liquilabs on November 28, 2025. Reported purity: 98.99%. Net content: 5.71 mg against 5 mg labeled (114% of label). Tested content exceeds the labeled amount by 14%. Endotoxins: < 0.001 EU/mg. Batch TB500/2025-11-20. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Thymosin Beta-4 5mg lab test - researchpeptideseurope.com - 98.99% HPLC purity - tested by liquilabs - November 2025
Issued by liquilabs · Nov 28, 2025 · Batch TB500/2025-11-20

Related lab tests

8 tests

The 359 other TB-500 tests on Peptigrity range from 96.84% to 100.00%. This one sits at 98.99%.

More from Research Peptides Europe
More TB-500 tests
♡ Likes · 0

Community discussion

0 comments

Join the discussion — sign in to leave a comment on this lab test.

Sign in to comment →

Have you tested this peptide?

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.

Submit a lab test →