This independent HPLC mass spectrometry analysis from Freedom Diagnostics confirms TB-500 (Thymosin Beta-4) 10mg from Instant Peptides at 99.68% purity. The analysis was conducted on August 7, 2025, using UV detection coupled with mass spectrometry.
TB-500, also known as Thymosin Beta-4, is a naturally occurring peptide researched for its role in tissue repair, wound healing, and cell migration. A purity level of 99.68% indicates minimal contamination and high-grade synthesis. The tested quantity was 10.73 mg, exceeding the stated label quantity of 10 mg. The compound is presented as a white lyophilized powder with Batch ID 2025-0238.
The full certificate of analysis is available for download on this page.

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