§ CERTIFICATE OF ANALYSIS · THIRD-PARTY HPLC · FEB-2026● VERIFIED SUBMISSION · PUBLIC RECORD
◆ Batch ID · 0105✓ Verified · Pass
TB-500 × Proxiva Labs - Lab Test, February 2026
Tested · submitted by @Frank 👑 Legend
HPLC Purity
99.80%
✓ Excellent
Test results
7 data points
Purity
99.80%
Endotoxins
Not tested
Stated qty
5 mg
Tested qty
6.29 mg
Qty match
126% of labeled · +26%
Batch ID
0105
Container
White vial with dark red/burgundy crimp cap, labeled "PROXIVA PEPT Thymosin Beta-4 TB-500"
Tested by
Vanguard LaboratoryView profile →
◆ Quantity verification
5 mg→6.29 mg+26%
About this test
This independent HPLC-UV/VIS lab test confirms TB-500 5mg from Proxiva Labs at 99.80% purity. The analysis was conducted by Vanguard Laboratory on February 7, 2026.
TB-500, also known as Thymosin Beta-4, is a naturally occurring peptide researched for its role in cell growth, migration, and tissue repair. A purity level of 99.80% indicates high-grade synthesis with minimal impurities.
The full certificate of analysis is available for download on this page.
Certificate of analysis
Original document
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