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This independent HPLC-MS lab test confirms TB-500 10mg from Midwest BioResearch at 99.11% purity. The analysis was conducted by Freedom Diagnostics on April 26, 2026.
TB-500 (Thymosin Beta-4) is a naturally occurring regenerative peptide researched for its effects on cellular repair, tissue healing, and muscle recovery. A purity level of 99.11% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.

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