Enter your vial size and bacteriostatic water, then the target dose in micrograms. The calculator returns the concentration and the units to draw on a U-100 syringe.
Reviewed for accuracy · Last reviewed July 7, 2026The example mixes a 50 mg vial with 5 mL of water for 10 mg/mL, where a 2000 mcg (2 mg) dose is 0.2 mL, or 20 units. Reconstituted GHK-Cu turns deep blue from the bound copper, which is expected and not a sign of degradation.
Human evidence for GHK-Cu is mostly topical and cosmetic. Injectable dosing is community-driven with no clinical dosing literature behind it, so any injection figure should be treated as anecdotal.
This page is an independent educational reference and is not medical advice. Talk to a doctor before starting any compound.