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2 4 But copper is a double-edged element: free or poorly chaperoned copper participates in redox reactions that generate reactive oxygen species, which is exactly why the body binds it so tightly to carriers

While the principles of N-terminal acetylation and C-terminal amidation are well established in peptide chemistry, direct comparative studies evaluating the modified forms biological activity against the parent peptide have not yet been published

TB-500 ensures repair cells reach the damage site efficiently

The two can potentially be combined for complementary effects -- carnosine for damage prevention and epitalon for telomere maintenance