This independent HPLC with UV detection coupled with mass spectrometry lab test confirms BPC-157/Thymosin Beta-4 20mg from Modern Aminos at 99.40% purity. The analysis was conducted by Freedom Diagnostics Testing on March 10, 2026.
BPC-157 is a pentapeptide analogue researched for tissue repair and regeneration, while Thymosin Beta-4 is studied for its role in wound healing and immune function. A purity level of 99.40% indicates high-grade synthesis with minimal contamination.
Endotoxin levels tested below the acceptable threshold at ≤0.05 EU/mL, confirming safety for research applications. The full certificate of analysis is available for download on this page.

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