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Taking oral supplementation is safe if taken at recommended doses
Reduce pigmentation and dark spots
The potassium is worth it
If your research involves antioxidants, administer them at least 2-4 hours apart from GHK-Cu injections to avoid potential issues
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Free Cu2+ is toxic (Fenton reactions, hydroxyl radicals), but the GHK-Cu complex is stable, diffusible and delivers copper in a targeted manner to copper-dependent metalloenzymes: lysyl oxidase (collagen/elastin crosslinking), Cu/Zn superoxide dismutase (SOD1, antioxidant defence), tyrosinase (controlled melanogenesis), dopamine-beta-hydroxylase
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