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And because glutathione occurs inside your bodys cells, its much better positioned to do its job than other antioxidants are

Post-reconstitution stability ~28 days at 28 C, protected from light (copper complex is photosensitive)

JCI Insight 3 , (2018)

Specifications Compounds: GHK-Cu + KPV Concentration: 50mg GHK-Cu / 10mg KPV per vial Purity: 99% (HPLC-UV-MS verified) Form: Lyophilized powder Manufacturing: cGMP-certified facility, USA Documentation: Full Certificate of Analysis (COA) on every batch Key Features Dual- specialty blend in a single lyophilized vial 99% HPLC-verified purity Mass spectrometry-confirmed molecular identity Manufactured in cGMP-certified facilities Endotoxin and sterility tested per batch Full Certificate of Analysis included with every order Lot traceability with batch-specific numbering Testing & Quality Assurance Every batch is subjected to third-party testing before release