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This independent HPLC analysis with UV detection and mass spectrometry confirms the GHK-Cu/KPV/BPC-157/Thymosin Beta-4 blend 85mg from Prosperity Peptides at 99.942% purity. The tested quantity measured 91.23mg across all components, demonstrating consistent blend quality. The analysis was conducted on February 21, 2026.
This comprehensive four-peptide blend combines GHK-Cu for skin rejuvenation and collagen synthesis, KPV for immune support and anti-inflammatory response, BPC-157 for tissue repair and healing, and Thymosin Beta-4 for cellular regeneration. A purity level of 99.942% indicates high-quality synthesis with minimal impurities.
The full certificate of analysis is available for download on this page.

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