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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

A better strategy is using melatonin during the initial weeks while Epitalon takes effect, then tapering off the supplement as natural production increases

Best for: patients with IBD, Crohn's, colitis, autoimmune history, or chronic immune reactivity alongside GI symptoms Learn about DefendMe The gut-brain axis runs in both directions a dysregulated gut drives neurological symptoms including brain fog, anxiety, mood instability, and cognitive fatigue through neurotransmitter disruption and vagal nerve signaling

IV therapy is effective because of two things: direct absorption and customization

The reliability of those studies varies based on factors such as sample size, selection, and methodology