ghk-cu 5mg capsules Copper Peptide sublingual ghk-cu supplement Neurogan, Copper

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GHK-Cu (Gly-His-Lys-Cu2+, CAS 89030-95-5) is a tripeptide naturally present in human plasma, the levels of which decline with age

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Last reviewed: May 30, 2026 Last updated: May 30, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations

Quality Specifications: HPLC-Verified Purity: 99% Sterile-Filtered and Lyophilized Certificate of Analysis (COA) Available GMP-Compliant Manufacturing Third-Party Laboratory Tested Stored at -20C for Stability Research Applications: This is intended exclusively for in vitro laboratory research and experimental studies