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Epitalon is a tetrapeptide (Ala-Glu-Asp-Gly) that activates transcription of the hTERT gene, the catalytic component of telomerase

Its three amino acids bound to a copper ion

A useful testing program may assess: Identity: Is the ingredient actually the claimed form of glutathione

Early foundational biochemical work helped establish GHK as a biologically active copper-binding peptide involved in tissue repair environments: Comprehensive review of GHKs regenerative and matrix-related roles: Unlike synthetic growth factors, GHK is endogenous meaning it naturally occurs in the body which has contributed to long-term scientific interest