Peptide LibraryGHK-Cu calculator
GHK-Cu is the copper complex of the tripeptide GHK, and every human study of it is topical: a skincare regimen after laser resurfacing, and a wound-healing gel whose trial is still recruiting. No injectable human dose is established. Research vials are large by peptide standards, usually 50 or 100 mg, so after mixing one syringe mark carries 100 mcg or more. The tables below show that arithmetic for common water volumes.
Full research profile: GHK-Cu. For any other concentration, use the insulin syringe units converter.
For research use only. Not medical advice. This page does arithmetic; it does not recommend an amount.
GHK-Cu reconstitution chart
Concentration and micrograms per mark on a U-100 insulin syringe, by vial size and water added. The peptide amount never changes; only how concentrated it is.
| Vial | + 2 mL water | + 3 mL water | + 5 mL water |
|---|---|---|---|
| 50 mg | 25 mg/mL · 250 mcg per unit | 16.67 mg/mL · 166.7 mcg per unit | 10 mg/mL · 100 mcg per unit |
| 100 mg | 50 mg/mL · 500 mcg per unit | 33.33 mg/mL · 333.3 mcg per unit | 20 mg/mL · 200 mcg per unit |
Most-listed GHK-Cu vial sizes across vendors we track: 100 mg (36 vendors), 50 mg (31 vendors), 3 mg (2 vendors), 1 mg (1 vendor). Compare prices.
Why there is no dose table
No human dose of GHK-Cu is established by a published trial, so this page shows concentrations only. The dosage section of the GHK-Cu profile lists what the literature does and does not report, with sources.
Common questions
How much bacteriostatic water do you add to a 50 mg GHK-Cu vial?
There is no single correct volume: the amount of peptide is fixed and the water only sets the concentration. For 50 mg, 2 mL gives 25 mg/mL (250 mcg per unit), 3 mL gives 16.67 mg/mL (166.7 mcg per unit) and 5 mL gives 10 mg/mL (100 mcg per unit). More water makes each syringe mark hold less, which makes small amounts easier to measure accurately.
What dose does the GHK-Cu calculator use?
None. No human dose of GHK-Cu is established, so the calculator does not suggest one. It converts a vial size, a water volume and an amount you enter into a volume and syringe units; the tables on this page show concentrations only.
What does one unit on an insulin syringe mean?
A unit is a volume mark, not an amount of drug. On a U-100 syringe 100 units fill 1 mL, so 10 units is always 0.1 mL; how much peptide those 10 units hold depends only on the concentration you mixed. U-40 syringes use 40 marks per mL, so the same volume reads as a different number of units.