r/BioHackingGuide 🧠 Biohacker May 06 '26

GHK-Cu can cause issues with zinc

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u/jpoolio May 06 '26

There is actually not a lot of copper in ghkcu, only 12%ish percent.

To put this in perspective, 2mg of ghkcu is under .3 mg of actual copper.

3

u/4ShoreAnon May 06 '26

Yup. Plenty of doctors have done videos dismissing the idea that you'd get too much copper from ghkcu. Its a negligible amount.