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GHK-Cu concentration in plasma declines with age: approximately 200 ng/mL at age 20, declining to 80 ng/mL by age 60

Each peptide will require reconstitution using Bacteriostatic water

Reviewed by Kenya Bass, PA-C Published Jun 22, 2026 13 min read If you are researching the epitalon telomere longevity peptide , here is the direct answer: epitalon activates telomerase and extends telomere length in human cell studies, including a 2025 independent replication published in Biogerontology

Specifically, these two regulate the cells entry into the proliferative phase (division)

This peptide is a synthetic version of a naturally occurring compound in human gastric juice