# Buy GHK-Cu 100 mg in Australia

Supplied by Australian Research Peptides Pty Ltd to laboratories and
researchers in Australia, for in vitro research purposes only. Stock is
held and dispatched within Australia.

GHK-Cu 100 mg, also written GHK Cu, is a $139.99 vial from Australian Research Peptides, which supplies laboratories and researchers across Australia and has it in stock, dispatching orders paid before 12pm Sydney time that business day. The GHK-Cu certificate records 99.912% purity by HPLC for the 100 mg vial. It is freeze-dried copper peptide in a sealed glass research vial, not a cosmetic serum or skincare cream, shipped Australia-wide. Its copper is bound inside a three-amino-acid chain of glycine, L-histidine and L-lysine. Research compares its copper affinity with the copper transport site on albumin. In vitro research purposes only.

Research context: extracellular-matrix remodelling.

## Strengths, prices and availability

| Strength | Price (AUD) | Availability | SKU |
| --- | --- | --- | --- |
| 100 mg | $139.99 | In stock | 56342 |

## Certificate of analysis

Tested by Janoshik, an independent laboratory, before release. The
testing is commissioned by the manufacturer rather than by Australian
Research Peptides. Methods: HPLC for purity, mass spectrometry for
identity. Each certificate below is the laboratory's own report,
published on this site.

### 100 mg

- Assayed purity: 99.912%
- Measured peptide content: 104.91 mg
- Laboratory batch: 2026-06
- Date analysed: 23 June 2026
- Testing laboratory: Janoshik
- Certificate: https://www.australianresearchpeptides.au/assets/coa/ghk-cu-100-coa.png?v=124

Full certificate library: https://www.australianresearchpeptides.au/coa

## Specifications

| Property | Value |
| --- | --- |
| Scientific name | GHK-Cu (glycyl-L-histidyl-L-lysine copper(II) complex) |
| Compound class | Copper-binding tripeptide complex |
| Appearance | Lyophilised powder |
| Packaging | Sealed, tamper-evident glass vial |
| Storage | Sealed vial kept cold, dry and away from light; freezer for long storage, refrigerator for short |

## About

GHK-Cu has a research literature that runs back to 1973, when GHK was first isolated from human plasma. Cell-culture work examines it against extracellular-matrix remodelling. That is the constant breakdown and rebuild of the matrix that holds cells in place. Reviews of that work catalogue what those assays measure — collagen, certain glycosaminoglycans and the proteoglycan decorin — in cultured fibroblasts. ARP reports the literature and claims nothing about any reader.

GHK is a tripeptide, which means a chain of three amino acids: glycine, L-histidine and L-lysine. GHK-Cu is that chain carrying a copper(II) ion. The copper is bound into the molecule, not stirred in beside it. GHK holds copper about as tightly as the copper transport site on albumin. A listing that says GHK with no copper is a different item.

Compare vial sizes before you compare GHK-Cu prices. This category mixes 50 mg and 100 mg listings more than any other in the catalogue, so a cheaper page elsewhere is often a smaller vial. ARP lists a single 100 mg GHK-Cu vial and no other size.

Australian Research Peptides lists GHK-Cu in Australia as a single 100 mg vial of freeze-dried copper peptide, sealed in a tamper-evident glass vial. It is written and searched as GHK-Cu, GHK Cu, ghkcu and copper peptide, and all describe the same copper-bound tripeptide. Stock is held locally and posted to every state and territory rather than imported on order. The peptide is assayed by HPLC and identity-confirmed, with its certificate published in the COA library.

## Questions

### Where to buy GHK-Cu in Australia?

Australian Research Peptides supplies GHK-Cu throughout Australia as a 100 mg vial, shipped by Express Post or standard tracked post. Orders lodged before the 12pm Sydney time weekday cut-off leave that afternoon. The parcel begins its trip in Australia and remains inside the country end to end.

### What is GHK-Cu?

GHK-Cu is the copper(II) complex of the three-amino-acid peptide glycyl-L-histidyl-L-lysine. It is studied in extracellular-matrix research, including cell-culture experiments measuring collagen and other matrix components made by fibroblasts. A second line of research examines how tightly the peptide binds copper. These are descriptions of the literature, not statements about what happens in a person.

### What does GHK-Cu stand for?

GHK-Cu stands for glycyl-L-histidyl-L-lysine copper(II) complex, and every part of that name has a role. G, H and K are the one-letter codes for glycine, histidine and lysine, while Cu is the chemical symbol for copper. The same identity can be described by its class: a copper-binding tripeptide complex.

### How does GHK-Cu work?

GHK-Cu works by holding a copper(II) ion inside a short three-unit peptide chain. [Pickart 2008](https://pubmed.ncbi.nlm.nih.gov/18644225/) puts its affinity for copper close to that of the copper transport site on albumin, a blood protein that carries copper. Copper is a trace metal that connective-tissue enzymes depend on. The published mechanism work is chemistry and cell culture, so what it describes is behaviour in a dish rather than an effect in a person.

### What do GHK-Cu cell studies measure?

GHK-Cu cell studies measure what cultured fibroblasts — the cells that make collagen and elastin — produce when the peptide is present, and whether that output rises. The published work also includes tissue models in cell culture and animals. What the studies record is an effect on cells in a dish, not a result in a person. Australian Research Peptides supplies GHK-Cu to laboratories and researchers for in vitro research only, and makes no claim that it is safe or effective for cosmetic or medical use.

### What does the research show about GHK-Cu?

GHK-Cu research is laboratory research, and most of it uses cell culture and animal models. [Pickart's 2015 review](https://pmc.ncbi.nlm.nih.gov/articles/PMC4508379/) in BioMed Research International reports GHK levels in human plasma near 200 ng/mL at age 20, falling to about 80 ng/mL by age 60. The same review is the standard entry point to the GHK literature, which runs across chemistry, cell culture and animal models. This answer reports the published literature and does not claim an outcome for the reader.

### How many amino acids are in GHK-Cu?

GHK-Cu contains three amino acids: glycine, L-histidine and L-lysine, in that order. Three is why the peptide half of the name is called a tripeptide. The copper is not a fourth amino acid. It is a metal ion bound to the three-unit chain, so the count stays at three whether the material is written GHK or GHK-Cu. That same sequence turns up naturally in human plasma.

### Is GHK-Cu supplied as a solution?

No, GHK-Cu arrives dry. It is a freeze-dried powder, sealed into a tamper-evident glass vial at the quantity Australian Research Peptides lists. Freeze-drying pulls the water out, and a dry peptide keeps far better than one sitting in liquid. It becomes a solution only after a researcher dissolves it. ARP does not supply GHK-Cu ready-mixed.

### How do I pay for GHK-Cu?

One transfer covers an entire order, however many items are in it — a GHK-Cu vial and anything else on the order together are a single amount against a single reference, not separate payments. Splitting one order across several transfers makes it harder to match, not easier, and is the most common cause of a delayed dispatch.

### Why is the GHK-Cu vial 100 mg when most peptides are 10 mg?

GHK-Cu is supplied at 100 mg because bench work with the copper tripeptide is run at far higher milligram quantities than with a 10 mg peptide, so a small vial would not carry enough material to make up a usable stock solution. That is a property of the compound rather than a bulk-buy decision, and it is also why GHK-Cu vial sizes vary so widely between suppliers — there is no single conventional strength.

### Can GHK-Cu be used with BPC-157?

GHK-Cu and BPC-157 are already sold together in two forms. Australian Research Peptides' bundle keeps them as separate vials so each can be varied on its own, while the GLOW and KLOW blends fix them together in one vial with TB-500 and, in KLOW's case, KPV. Separate vials for control, a blend for simplicity. Neither arrangement has any published research behind it.

### What colour should GHK-Cu be?

GHK-Cu is distinctively blue once reconstituted, because the copper ion at the centre of the complex is coloured — it is the one peptide in Australian Research Peptides’ range where a blue solution is expected rather than a warning sign. The dry powder is blue too. A GHK-Cu solution that is colourless is the one worth questioning.

### Is it normal for a GHK-Cu vial to look empty?

GHK-Cu is the exception across this range. Its vial holds one hundred milligrams, ten times the usual peptide quantity, and copper bound inside the tripeptide gives the dried material a distinct blue. The result is a substantial, plainly coloured cake nobody mistakes for an empty container. A GHK-Cu vial that genuinely does appear bare, or that shows no blue whatever, is the one worth raising.

### How should GHK-Cu be stored?

GHK-Cu is a copper complex, so the vial holds a metal bound into a peptide rather than a plain chain. Keep the powder sealed, dry, cold and away from light. A freezer suits long storage and a fridge suits short. Once dissolved, refrigerate the solution, keep it dark and do not refreeze it. Australian Research Peptides publishes a separate window for how long a reconstituted GHK-Cu solution keeps.

### How do you reconstitute GHK-Cu?

GHK-Cu is reconstituted like any freeze-dried peptide, with one difference. The copper is already inside the molecule, so no metal gets added at this step. An aqueous diluent is the usual choice, and a diluent is the liquid a dried solid is dissolved into. Let the vial warm, then aim the liquid at the glass so it runs down the side. Swirl until it clears, and never shake. Australian Research Peptides publishes worked volume examples for the 100 mg vial.

### How long does reconstituted GHK-Cu keep?

GHK-Cu is unusually robust in water for a peptide complex. [Badenhorst's 2016](https://pubmed.ncbi.nlm.nih.gov/25384620/) preformulation study held it stable in pH 4.5 to 7.4 buffers for two weeks at 60 °C, which is a stress test rather than a shelf life. Australian Research Peptides' published window for a reconstituted HPLC Verified line is eight to twelve weeks at 2 to 8 °C. Freeze aliquots below -15 °C beyond that.

### What volume of diluent goes into a 100 mg GHK-Cu vial?

A 100 mg GHK-Cu vial takes whatever volume the work calls for. It is the largest single fill Australian Research Peptides lists, so it takes more liquid than a 10 mg vial for the same concentration. No fill volume is published for the vial, and the 100 mg in the glass is the same however much liquid goes in.

### Why is GHK-Cu cloudy after mixing?

Blue is not cloudy, and with GHK-Cu separating those two properties is the whole answer. A sound preparation is strongly coloured yet still transparent, because light passes through it; turbidity means light being scattered, which shows as dullness or visible specks. The commonest genuine cause with this compound is too little diluent for one hundred milligrams of solid, leaving material undissolved rather than clumped together.

### What is GHK-Cu dissolved in for laboratory work?

GHK-Cu arrives as a dry solid and has to be dissolved before any laboratory work with it, usually in an aqueous diluent. The copper is part of the molecule, which is what the -Cu in the name records, so no metal is added. No liquid ships with the vial.

### Who supplies GHK-Cu in Australia?

GHK-Cu is listed by Australian Research Peptides, an Australian supplier dispatching to laboratories and researchers from Sydney — the copper tripeptide is filed under Copper Peptide Research as code GHK, in a single 100 mg vial. Weekday orders confirmed by 12pm Sydney time go out that same afternoon, by Express or tracked Standard Post to every state and territory. No border crossing, no customs desk. GHK-Cu is HPLC-tested, with the certificate provided on request. Payment is PayID or bank transfer.

### How much does GHK-Cu cost in Australia?

Australian Research Peptides carries a single GHK-Cu vial size, so there is one Australian-dollar figure and no strength ladder. That figure comes straight from the live catalogue record rather than from typed copy. The GLOW blend is a separate product with a price of its own. GLOW holds BPC-157, TB-500 and GHK-Cu together, with only about 50 mg of its 70 mg nominally the copper tripeptide, so a GLOW price says nothing about the standalone vial.

### Does a GHK-Cu order qualify for free shipping in Australia?

A single 100 mg GHK-Cu vial does not reach the standard free-post threshold by itself. A second vial clears it, and so does pairing GHK-Cu with a companion compound from the range. Express sits higher again. Qualification is assessed on the goods subtotal, before any discount code.

### What is the availability and cost of GHK-Cu?

A GHK-Cu vial can be dispatched now — Australian Research Peptides holds the 100 mg listing in stock and posts it domestically. Only one vial size is sold, so a single Australian-dollar amount covers the whole GHK-Cu listing, and it sits in the product panel on this page. Nothing crosses a border, and the CoA library records the certificate status of every strength ARP lists.

### How to get GHK-Cu online?

GHK-Cu is sold direct by Australian Research Peptides, an Australian business that lists the copper tripeptide as a single 100 mg vial and supplies it from within Australia. Payment goes through PayID or a direct bank transfer quoting the order reference, and digital wallets are not offered. Orders travel domestically.

### How long does GHK-Cu take to arrive in Australia?

GHK-Cu is with most buyers 2–5 business days after lodgement on standard tracked post, and 1–2 where Express Post serves the state quickly. No cold pack goes in the satchel and none is needed, because lyophilised peptide holds up at ambient temperature while travelling. Chilling only becomes relevant once a customer has the vial, and most of all after reconstitution.

### Does a 100 mg GHK-Cu vial need more diluent than a 10 mg peptide?

A 100 mg GHK-Cu vial needs about ten times the diluent of a 10 mg peptide for the same concentration, because diluent scales with milligrams rather than with vial count. GHK-Cu is the largest vial in the catalogue, and Australian Research Peptides publishes no fill volume for it, so the volume is set at the bench.

### Is GHK-Cu legal in Australia?

Australian Research Peptides supplies GHK-Cu in Australia as a laboratory research material. It is not sold as a medicine, a cosmetic or a supplement, and ARP makes no therapeutic claim for it. Anyone with a regulatory question about their own work can put it to a qualified adviser.

### Is GHK-Cu FDA approved?

GHK-Cu carries no FDA approval, and the question sits slightly awkwardly against how it is normally sold. American regulators approve drugs; they do not approve cosmetic ingredients, and this copper complex has spent most of its commercial life in skincare, a category marketed without pre-market clearance. So a copper-peptide serum on a shelf demonstrates nothing about approval. Laboratory powder is unregistered too.

### Is GHK-Cu banned in sport?

GHK-Cu is named in no section of the prohibited list, which is not the same as being cleared. Category S0 sweeps up any pharmacological substance lacking therapeutic approval from a government regulator, and use as a cosmetic ingredient is not such an approval. A copper tripeptide supplied outside that cosmetic context therefore sits in genuinely unsettled ground, and only Sport Integrity Australia can answer it for an Australian competitor.

### Can you legally import GHK-Cu into Australia?

GHK-Cu is not scheduled in Australia and is not an approved therapeutic good either, which puts it in a quieter position than the peptides listed beside it. Quieter is not exempt. The TGA still governs whether an unapproved good may be imported, and the answer turns on what the importer intends to do with it. Buying from Australian Research Peptides avoids the question, because nothing crosses a border.

### Is GHK-Cu tested before it is supplied in Australia?

GHK-Cu goes through two analyses before Australian Research Peptides supplies it. HPLC separates the sample into its parts and shows how much of it is the peptide. Mass spectrometry weighs the molecule and checks identity. A matching certificate is currently published for this product and strength.

### Does GHK Cu come with a certificate of analysis in Australia?

GHK-Cu, often written GHK Cu without the hyphen, is supplied in Australia against a batch certificate of analysis: the testing laboratory's own report for the lot in the vial, carrying an HPLC purity result and an identity confirmation. The certificates Australian Research Peptides holds are published in its COA library, which can be searched by product name or stock code. One is published for a given product and strength only where a real laboratory report backs it, so a figure belongs to the lot it was measured on rather than to the listing as a whole.

### What else is GHK-Cu known as?

GHK-Cu is also known as copper peptide, GHK copper, Cu-GHK and copper tripeptide-1, the INCI name used by cosmetic chemists. [PubChem](https://pubchem.ncbi.nlm.nih.gov/compound/71587328) files the same complex as prezatide copper and in full as glycyl-L-histidyl-L-lysine copper(II) complex. GHK without copper is a different material, not a shorthand for GHK-Cu.

### Is ghkcu the same as GHK-Cu?

Ghkcu, ghk cu and GHK-Cu are one compound typed three ways: a copper ion bound inside the tripeptide glycine-histidine-lysine, which Australian Research Peptides carries as one 100 mg vial. The transposed hgk-cu is a mistype of that same name. Typing ghk on its own usually means this copper complex too — though GHK without copper is a separate material, and ARP lists only the copper-bound form.

### Why do GHK-Cu vials differ so much in size between suppliers?

GHK-Cu is sold at more than one quantity per vial. Pages for 50 mg and 100 mg get compared as if they were the same product. Check the milligrams per vial before you compare two prices. Australian Research Peptides lists one GHK-Cu vial size, 100 mg. A much cheaper listing elsewhere is usually a smaller vial.

### How does GHK-Cu differ from retinol or vitamin C?

GHK-Cu, retinol and vitamin C are three different chemical classes acting on three different targets — a tripeptide carrying copper, a form of vitamin A that acts through a receptor inside the cell, and ascorbic acid, an antioxidant. Australian Research Peptides supplies GHK-Cu as laboratory research material rather than as a cosmetic ingredient, so the comparison here is one of chemistry and supply, not of finished skincare products.

### Is GHK-Cu a skincare product?

GHK-Cu from Australian Research Peptides is not a skincare product: it is a laboratory research material, and it is not formulated, tested or supplied for use on a person. The research on GHK-Cu asks whether the peptide signals cells directly and changes which genes they switch on; published work reports it affecting the activity of more than 4,000 human genes. ARP supplies it to laboratories and researchers for in vitro research only.

### Can I buy GHK-Cu at Chemist Warehouse?

Australian Research Peptides supplies GHK-Cu to laboratories and researchers as a 100 mg research vial, which Chemist Warehouse does not sell. It does sell cosmetic products, and copper tripeptide turns up in some of them at very low inclusion — but that is a different product class, and the two should not be read as the same purchase. The ARP vial is catalogued under Copper Peptide Research.

## Also searched as

GHK Cu, GHKCu, Copper peptide GHK-Cu

## Ordering

- Standard post $12.99, free on orders over $199.00
- Express post $16.99, free on orders over $299.00
- Payment: PayID or bank transfer
- Dispatched from within Australia; orders do not cross a border

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Product page: https://www.australianresearchpeptides.au/products/ghk-cu
Shop: https://www.australianresearchpeptides.au/shop