This independent HPLC with UV detection and mass spectrometry analysis confirms Thymosin Beta-4 10mg from Peptide Supply Co at 99.164% purity. The analysis was conducted by Freedom Diagnostics Testing on February 10, 2026.
Thymosin Beta-4 is an immunoregulatory peptide researched for its potential benefits in immune function, tissue repair, wound healing, and recovery support. A purity level of 99.164% demonstrates high-quality synthesis with minimal impurities.
The full certificate of analysis (COA: 2602060258) is available for download on this page.

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