GHK-Cu: What It Is, FDA Status & Reconstitution Math
By James Li, Lead Editor · Updated · Reviewed
Quick answer
GHK-Cu is a three-amino-acid peptide bound to copper, and it is not FDA-approved as an injectable drug, so the calculator only needs the milligrams on your label and the milliliters of water you added.
Once you have milligrams on the label and the milliliters of water you added, concentration is those milligrams divided by those milliliters, and a U-100 syringe reads that volume as 100 units per milliliter, so 10 units is 0.1 mL while one milligram is 1,000 micrograms.
Blends
Optional. Extra peptides are added to the vial total.
Waiting on Input
5 mg vial, 2 mL water, 250 mcg. Example only, not a dose.
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Illustrative arithmetic only, not a recommendation. The result for GHK-Cu uses only the numbers you type.
What is GHK-Cu?
GHK-Cu is a three-amino-acid peptide bound to copper.
On this page the useful facts are the ones on the label, meaning the milligrams in the container and the milliliters of liquid added, and those two numbers are what the calculator turns into mg/mL and a syringe mark.
What is the FDA status of GHK-Cu?
No, GHK-Cu is not FDA-approved as an injectable drug.
The calculator does not grant or remove an approval and only divides the milligrams you enter by the milliliters you enter, so check Drugs@FDA or DailyMed for the product name on your label.
How is GHK-Cu reconstituted?
Reconstitution means a measured volume of liquid, usually bacteriostatic water, was added to a dry vial of GHK-Cu.
Concentration is the milligrams in the vial divided by the milliliters you added, doubling the water cuts the amount in each unit in half, and the calculator uses the volume you report rather than picking one for you.
How do you convert GHK-Cu mg to mcg and syringe units?
For GHK-Cu, multiply milligrams by 1,000 to get micrograms.
That conversion does not produce a syringe mark, because units measure volume and you still divide the micrograms you want to measure by the micrograms in each milliliter.
How should GHK-Cu be stored?
Storage for GHK-Cu is on its own label, covering temperature, light, and how long it may be kept after mixing.
An unopened bottle and a mixed vial are not the same case, so if the label is missing ask the pharmacist or clinician who supplied it rather than borrowing a rule from a different product.
Where can I find primary sources on GHK-Cu?
For the approval status of GHK-Cu, start with Drugs@FDA and the product label on DailyMed.
Those are the places that say whether a named product is approved and what its label claims, and this page does not recap studies or change the calculator because of them.
Unit math
Illustrative arithmetic only. Not a dose. Barrel columns use a U-100 scale, 100 units per mL.
| Vial mg | Water mL | mg/mL | mcg/mL | mcg in 10 units |
|---|---|---|---|---|
| 15 | 3 | 5 | 5,000 | 500 |
| 5 | 1 | 5 | 5,000 | 500 |
| 10 | 2 | 5 | 5,000 | 500 |
| mL | 1 mL barrel (U-100 scale) | 0.5 mL barrel (U-100 scale) | 0.3 mL barrel (U-100 scale) |
|---|---|---|---|
| 0.05 | 5 | 5 | 5 |
| 0.1 | 10 | 10 | 10 |
| 0.25 | 25 | 25 | 25 |
| 0.5 | 50 | 50 | 50 (past barrel) |
| 1 | 100 | 100 (past barrel) | 100 (past barrel) |
FAQ
What is GHK-Cu?
GHK-Cu is a three-amino-acid peptide bound to copper.
Is GHK-Cu FDA approved?
No, GHK-Cu is not FDA-approved as an injectable drug.
How do I use the GHK-Cu calculator?
Type the milligrams on the vial, the milliliters of water you added, and the amount you want to measure, and the syringe mark updates in the calculator.
What is BAC water?
BAC water is bacteriostatic water, which is sterile water with a preservative used to dissolve a dry vial, and the volume you add is what sets the concentration.
How many units are in 1 ml on a U-100 syringe?
On a U-100 syringe, 1 mL is 100 units, 0.5 mL is 50 units, and 0.1 mL is 10 units, provided the barrel is long enough to hold that volume.
Sources
- Drugs@FDA, FDA
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Topics
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