GHK-Cu Peptide Price Guide: Comparing 50 mg and 100 mg
September 25, 2026
If you are comparing GHK-Cu peptide prices from Neuro Peptides, the current options include 50mg
If you are comparing GHK-Cu peptide prices from Neuro Peptides, the current options include 50mg for $55 per vial and 100mg for $64 per vial.
The 100 mg option provides twice the labeled amount for only $9 more, making cost per milligram an important part of the comparison. Beyond price, researchers should also review the product’s COA, HPLC results, mass spectrometry data, and research-use documentation before selecting a material.
Research-use notice: Neuro Peptides products are sold for laboratory research only. They are not intended for human consumption, diagnosis, treatment, or prevention of disease.
GHK-Cu is a copper-containing complex of the tripeptide glycyl-L-histidyl-L-lysine, commonly known as GHK.
GHK-Cu has been investigated in peptide chemistry and biological research, including studies examining its physicochemical properties, stability, and interaction with copper.
For researchers purchasing GHK-Cu, however, the product’s quantity, analytical documentation, and price are also important considerations.
Neuro Peptides currently offers GHK-Cu in two relevant vial sizes:
| GHK-Cu Amount in mg | Neuro Peptides Price | Cost per mg |
| 50 mg | $55/vial | $1.10/mg |
| 100 mg | $64/vial | $0.6/mg |
This calculation is based on the current listed prices:
50 mg: $55 ÷ 50 = $1.10 per mg
100 mg: $64 ÷ 100 = $0.64 per mg
The 100mg vial therefore has a lower labeled cost per milligram.
The 50 mg GHK-Cu vial is priced at $55 at Neuro Peptides.
At that price, the calculated cost is:
$55 ÷ 50 mg = $1.10/mg
The 50mg option provides a smaller quantity for researchers who do not need the larger 100mg format.
It can also be useful when a research project has a more limited material requirement.
Researchers should still review the batch documentation rather than evaluating the product based on price alone.
The 100mg GHK-Cu vial is priced at $64.
That works out to:
$64 ÷ 100 mg = $0.64/mg
The interesting part of this comparison is the relatively small difference in total price.
The 100mg vial costs only $9 more than the 50mg vial while providing twice the labeled quantity.
From a simple cost-per-milligram perspective, this makes the 100mg format less expensive per labeled milligram.
However, the appropriate vial size ultimately depends on the research project’s material requirements and storage considerations.
The comparison is straightforward:
The difference becomes clearer when looking at the amount received for every dollar spent.
The 50mg vial provides approximately 0.91 mg per dollar.
The 100mg vial provides approximately 1.56 mg per dollar.
These calculations describe price efficiency only. They should not be interpreted as a measurement of product quality.
A lower cost per milligram does not automatically mean a research material is better.
Researchers should also examine the available analytical documentation.
A Certificate of Analysis can connect analytical results to a specific product batch.
Neuro Peptides states that every batch comes with a third-party COA showing purity through HPLC and mass spectrometry. The company also maintains a COA library for its research products.
View the Neuro Peptides COA Library
Want to know more about what a peptide COA is and how to read it? Check out the detailed guide: What is a Peptide Certificate of Analysis (COA)?
HPLC provides chromatographic information that can help characterize peptide purity and related components.
Researchers should remember that an HPLC purity percentage is not necessarily the same thing as the total mass of peptide contained in a vial.
These are different analytical measurements.
Mass spectrometry can provide molecular-mass information that supports compound identity.
Using complementary analytical methods can provide more information than relying on a single purity figure.
Neuro Peptides states that its research peptides are independently tested using HPLC and mass spectrometry.
The most interesting part of the Neuro Peptides GHK-Cu pricing is the difference between the two formats.
The calculation is:
100 mg price − 50 mg price
$64 − $55 = $9
So, for an additional $9, the 100mg option provides another 50 mg of GHK-Cu.
That means the additional 50mg effectively costs:
$9 ÷ 50 mg = $0.18/mg
This is considerably lower than the $1.10/mg cost of the 50mg vial.
Again, this is strictly a mathematical price comparison. It does not establish that the larger vial has greater analytical quality.
The answer depends on the research requirement.
The largest vial is not automatically the right choice. Quantity should match the actual research requirement.
Neuro Peptides describes its catalog as research-grade and third-party tested. The company states that its batches are verified for purity through independent laboratory testing using HPLC and mass spectrometry.
Its website also states that every batch comes with a third-party COA.
For researchers comparing the 50 mg and 100 mg formats, this documentation can be considered alongside the price and labeled quantity.
Explore Neuro Peptides’ Research Peptide Catalog
GHK-Cu has been studied using analytical techniques including HPLC and mass spectrometry.
One published physicochemical study used validated reversed-phase HPLC and mass spectrometry to characterize GHK-Cu and investigate its degradation under different stress conditions. The researchers identified several degradation products, demonstrating why peptide stability and analytical characterization matter when evaluating research materials.
For this reason, a GHK-Cu price comparison should not stop at the number printed on the product page.
Price tells you what the material costs. Analytical documentation tells you what information is available about that material.
Storage is another consideration when comparing 50 mg and 100 mg quantities.
According to Neuro Peptides, most of its lyophilized peptides are stored at -20°C, while reconstituted solutions should be used according to the relevant research protocol.
Researchers should follow the product-specific storage information rather than assuming that every peptide has identical stability requirements.
This becomes particularly relevant when purchasing a larger quantity.
Based strictly on the current listed prices:
50 mg: $55 → $1.10/mg
100 mg: $64 → $0.64/mg
Therefore, the 100 mg format has the lower price per labeled milligram, while the 50 mg format requires less material to be purchased upfront.
The choice should depend on the research project’s requirements rather than price alone.
The current listed price is $55 per 50 mg vial.
The current listed price is $64 per 100 mg vial.
The 50mg vial costs $1.10 per mg, while the 100mg vial costs $0.64 per mg based on the listed prices.
Yes. Based on the listed prices, the 100mg vial has a lower cost per labeled milligram.
Neuro Peptides states that every batch comes with a third-party COA showing purity through HPLC and mass spectrometry.
No. Neuro Peptides states that its products are intended exclusively for laboratory research and are not intended for human consumption.
Comparing Neuro Peptides GHK-Cu 50 mg and 100 mg, one will notice that the price difference is not very significant, while the amount difference is considerable.
GHK-Cu 50 mg costs $55, which amounts to $1.10 per milligram. On the contrary, GHK-Cu 100 mg is priced at $64, which means that it costs $0.64 per milligram.
Thus, the latter product gives twice as many milligrams for only $9 more than the former, making it cheaper per milligram.
Still, the price needs to be taken into consideration along with COA, HPLC, mass spectrometry, storage, and the specifics of the research project itself.
According to the company’s website, Neuro Peptides GHK-Cu is sold exclusively for laboratory research use, and their batches are tested externally.
If you are comparing GHK-Cu peptide prices from Neuro Peptides, the current options include 50mg
A GHK-Cu peptide COA is one of the most useful documents researchers can review when
GHK-Cu peptide purity is an important consideration when researchers evaluate the quality and traceability of
If you want to buy GHK-Cu online for laboratory research, compare the product’s identity, purity,
A Peptide Certificate of Analysis (COA) is a document that reports analytical testing performed on
Research peptides are laboratory materials intended only for scientific research, while compounded peptides are drug
