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71 Injections may sometimes cause minor irritation, redness, or itching at the injection site

Maintenance dosing (1-2mg 2-3x weekly or daily topical) sustains improvements indefinitely, positioning GHK-Cu as a long-term anti-aging strategy rather than a one-time fix

Before drawing solution from any dissolved peptide vial, fill the pin with air to the same measurement you will be filling with solution, ie

Starting with GHK-Cu alone allows assessment of baseline response before adding complexity and cost

There are no large clinical trials of injected GHK-Cu in humans

pregnant women often receive IV thiamine if needed (e.g., for hyperemesis) without issue