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Abbreviations ALT: Alanine aminotransferase AST: Aspartate aminotransferase BMI: Body mass index CAP: Controlled attenuation parameter FBS: Fasting blood sugar HbA1c: hemoglobin A1c HDL: High-density lipoprotein IRI: Immunoreactive insulin LDL: Low-density lipoprotein LSM: Liver stiffness measurement NAFLD: Nonalcoholic fatty liver disease NASH: Nonalcoholic steatohepatitis NEFA: Non-esterified fatty acid UMIN: University Hospital Medical Information Network VCTE: Vibration-controlled transient elastography References Day CP

Third-party lab testing and a Certificate of Analysis (COA) are non-negotiable

Avoid reconstitution in buffers containing strong chelators (EDTA, EGTA) or reducing agents (DTT, -mercaptoethanol, TCEP), which can strip the copper from the tripeptide and convert the complex to free GHK

This avoids any osmotic disruption from bacteriostatic water

Supporting routine: Copper peptides work best within comprehensive anti-aging routines including sun protection, gentle cleansing, and adequate moisturization

Verification: current COA, HPLC, and MS documents are available on this product page