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It functions as an obligatory cofactor for prolyl and lysyl hydroxylase, the enzymes that hydroxylate proline and lysine residues during collagen biosynthesis a role that is biochemically non-negotiable, meaning collagen cannot be properly synthesized without it
Note: While B12 is sometimes marketed as an energy booster, strong evidence of benefit in individuals with normal B12 levels is limited
Yes GHK-Cu is one of the most well-tolerated anti-aging ingredients available
Semaglutide produced roughly 15% average body-weight loss in the STEP trials over 68 weeks (Wilding et al., N Engl J Med, 2021)
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