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Does the copper in GHK-Cu have a specific function
Zinc Supports methionine synthase and adenosine metabolism and may be relevant when SAH clearance, copper imbalance or metallothionein function is involved
1 2 "S4 Hormone and metabolic modulators: Definitions"
Some of Kennedys friends and associates are among the biggest proponents, including self-described biohacker and longevity expert Gary Brecka, who sells peptide injectables, patches and nasal sprays through his website for $350 to $600 each
Ooh this is interesting
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