GHK-Cu × Petratide Science - Lab Test, February 2026
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Test results
About this test
This independent HPLC lab test with UV detection coupled with mass spectrometry confirms the Klow Blend proprietary formula from Petratide Science at 99.887% purity. The blend combines four research peptides: GHK-Cu (59.72 mg), KPV (9.03 mg), BPC-157 (9.49 mg), and Thymosin Beta-4 (10.70 mg) for a total tested quantity of 88.94 mg. The analysis was conducted by Freedom Diagnostics on February 12, 2026.
This multi-peptide formulation combines complementary peptides researched for synergistic effects on skin health, collagen synthesis, tissue repair, and immune function. A purity level of 99.887% indicates pharmaceutical-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page
Certificate of analysis
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