Independent HPLC with mass spectrometry analysis confirms TB-500 from IonPeptide at 99.56% average purity across dual vial bulk sample. Tested by Freedom Diagnostics Testing on February 5, 2026.
Individual vial testing showed net peptide content of 7.13mg and 6.70mg with consistent high-purity results (99.56% and 99.55% respectively). An average purity level of 99.56% indicates high-quality synthesis with minimal contamination. Endotoxin analysis passed at ≤ 0.05 EU/mL.
The full certificate of analysis is available for download on this page.

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