GHK-Cu protocol
GHK-Cu (copper tripeptide-1). The published work on this compound is animal or cell-culture research. No human dosing schedule exists to cite.
How GHK-Cu works
A naturally occurring tripeptide (glycyl-histidyl-lysine) that binds copper with high affinity. The copper complex is the active form, and it is studied for effects on collagen synthesis, wound repair and antioxidant enzyme expression.
GHK-Cu dosing — what the literature actually supports
We publish a schedule when there is a citable human source and we say so when there is not. Filling this space with a number nobody measured would make the page look more complete and be worth less than nothing to you.
Reconstitution and measurement
This part is arithmetic and does not depend on the evidence level. Concentration is vial size divided by the bacteriostatic water you add. Draw volume is your target amount divided by that concentration. Units are draw volume times 100, because a U-100 syringe reads 100 units per millilitre. Common vials for GHK-Cu: 50, 100 mg.
Storage and stability
Reported effects
- No human safety data for injected GHK-Cu.
- Topical use is well tolerated in the cosmetic literature.
- Because it is a copper complex, systemic copper load is a real consideration that does not arise with topical use.
Sourcing GHK-Cu
Whatever you are working with, the documentation matters more than the price. Ask for a batch certificate of analysis whose lot number matches the vial you actually receive — a COA for a different batch tells you nothing about yours.
GHK-Cu at Summit Research Supply → Grade a COA first
Summit is the supplier we feature and an affiliate link. Our COA checklist applies the same way to any vendor.

