Ipamorelin 10 mg lyophilised peptide vial with purple flip-off cap and white label

NovaPep

Buy Ipamorelin Australia: Ipamorelin 10mg Research Vial

$59AUD, GST included

In stock in Australia, batch certificate ready

Size: 10 mg vial

Certificate of analysis published for every batch
Third-party HPLC purity and MS identity testing
Dispatched same day before 3pm cut-off, tracked Australia-wide
Research use only, sold to adults aged 18 and over

Buy ipamorelin online in Australia as a 10 mg research vial, tested for identity and purity on every lot. Ipamorelin is a synthetic pentapeptide, Aib-His-D-2Nal-D-Phe-Lys-NH2, and it is the most selective growth hormone releasing peptide we carry. It switches on the ghrelin receptor GHS-R1a while published models report little movement in prolactin, cortisol or ACTH. Before paying, compare its identity with C38H49N9O5, 711.9 g/mol and CAS 170851-70-4. Mass spectrometry confirms every lot and HPLC measures its purity. The CJC-1295 ipamorelin calculator turns any diluent volume into a concentration. Add CJC-1295 No DAC to the cart if you want to examine the GHRH and ghrelin pathways side by side, a pairing also sold as the CJC 1295 ipamorelin blend and well covered in the literature. Because the powder ships dry with no diluent, you will also need bacteriostatic water. Keep the unopened vial at -20 °C. NovaPep supplies this research reagent to adults aged 18 and over.

For laboratory research use only. Not for human or veterinary use. Not TGA approved. See the NovaPep research use policy.

What Is Ipamorelin?

Ipamorelin is a synthetic five amino acid peptide that copies ghrelin, often called the hunger hormone, at a single receptor, and in doing so it prompts pituitary cells to release a pulse of the growth hormone they already store. There is no growth hormone in it and it cannot replace that hormone. Every effect reported in the literature depends on cells that already produce growth hormone, and getting that right is step one when picking a model. Buy Ipamorelin online in Australia as a 10 mg research vial, with the lot certificate published before you order.

Researchers at Novo Nordisk in Denmark described ipamorelin in 1998 and presented it as the first selective growth hormone secretagogue. It belongs to the GHRP family that Cyril Bowers pioneered, next to GHRP-2 and GHRP-6, but it was built to release growth hormone without pushing the adrenal axis. In the early pig and rat pituitary cell studies it equalled GHRP-6 for growth hormone release while ACTH and cortisol stayed mostly flat.

Inside the ipamorelin molecule

Of its five residues, three are non-natural, these being aminoisobutyric acid at the N-terminus, D-phenylalanine and D-2-naphthylalanine. Combined with the C-terminal amide, they protect the chain from proteases and give it a characteristic mass. On the certificate, check for a measured value close to 711.9 g/mol, then look at the HPLC trace and the purity reported for that lot.

How Ipamorelin Works on the Ghrelin Receptor

The receptor it targets, GHS-R1a, is a G protein coupled receptor present on somatotroph cells of the anterior pituitary and on hypothalamic neurons. When an agonist binds, the receptor signals via Gq, intracellular calcium climbs, and stored growth hormone granules are released. Native ghrelin is a 28-residue peptide produced mainly in the stomach, and it only works at the receptor once an octanoyl fatty acid is attached at its third residue. The ipamorelin peptide does not need that modification. Its five residues, amide cap and handful of mirror-image building blocks are enough to fit the same binding pocket.

The timeline is the reverse of what most people expect. In 1996 a Merck team cloned the receptor using synthetic secretagogues to find it, and ipamorelin was already under study before a Japanese group isolated ghrelin from rat stomach in 1999. For several years, molecules like this were keys to a lock whose own natural key had not yet been discovered.

Ipamorelin Research: What Studies Have Looked At

That selectivity is the reason labs choose it. It turns the pentapeptide into a clean probe for growth hormone pulsatility, IGF-1 feedback and the interplay between ghrelin and GHRH signalling, and a number of groups use it in rodent gut motility research too. Since it adds very little to prolactin or adrenal readouts, a study can link a shift in growth hormone output to the ghrelin receptor with greater confidence than an older GHRP permits. That is why reviewers frequently expect to see it as the reference compound in secretagogue comparisons. It is a research reagent rather than a medicine and holds no TGA approval. You can browse the wider family in our growth hormone research peptides collection. To run this kind of in vitro work, buy Ipamorelin online in Australia from lots tested by HPLC and mass spectrometry.

The clearest human pharmacology is a 1999 Pharmaceutical Research paper by Gobburu and colleagues. They gave healthy men intravenous infusions at five different rates, eight men per rate. Plasma concentrations rose in proportion to the dose infused, terminal half-life was roughly 2 hours, and growth hormone came out as a single distinct episode peaking at about 40 minutes. No second wave followed.

That pattern shapes our view of what ipamorelin is good for at the bench. Above all, it is a timing tool. Sampling every 15 minutes through the first 90 minutes will catch the full curve, whereas one measurement at four hours generally shows nothing. The other pitfall is the model. Hypophysectomised animals and cell lines lacking working somatotrophs return a flat result, as there is no stored hormone for the receptor to release. Our guide to the published ipamorelin studies lists what the clinical trials actually measured.

The molecule emerged from Novo Nordisk's secretagogue programme in Denmark during the 1990s, and it did not last long as a drug candidate. Helsinn later licensed it and ran an intravenous phase 2 trial in post-operative ileus following bowel surgery. The 2014 paper reported that the primary endpoint did not reach statistical significance, and development stalled. No regulator in any country has approved a medicine based on it.

Ipamorelin Specifications

Product name	Ipamorelin
Size	10 mg lyophilised vial
Sequence	Aib-His-D-2Nal-D-Phe-Lys-NH2
Residues	5 amino acids with a C-terminal amide and three non-natural residues
Formula	C38H49N9O5
Molecular weight	711.9 g/mol
CAS	170851-70-4
Presentation	White freeze-dried powder in a sealed 3 mL glass vial with a purple flip-off cap
Quality checks	Mass spectrometry for identity and HPLC for purity, with one certificate issued per lot
In the box	A single 10 mg ipamorelin vial, diluent purchased separately
Storage conditions	Unopened vial dry and dark at -20 °C, reconstituted solution at 2 to 8 °C
Stock status	In stock
Intended purpose	Laboratory in vitro research only

Use ipamorelin when you want to study the ghrelin route to growth hormone release without the extra hormonal signals that older secretagogues create. It ranks among the top sellers in our growth hormone range, and every lot is documented online ahead of purchase.

A trust badge on a web page tells you nothing about the vial in front of you, but a report matched to your lot does. Order with that report open. It is stored in our certificate library under the code printed on your label, so our data can be compared line by line against any other supplier before you buy.

Handling and Storage of Ipamorelin

Put bacteriostatic water for reconstitution in the same cart, because the powder dissolves readily and setup takes very little time. Allow the vial to reach room temperature, let the liquid run down the inside of the glass, then swirl gently. Adding 1 mL to the 10 mg vial gives 10 mg/mL, and 2 mL gives half that at 5 mg/mL. The peptide reconstitution calculator covers every other volume. When you buy Ipamorelin online in Australia, orders paid by 3pm on a business day are dispatched the same afternoon.

Store unopened ipamorelin vials frozen at -20 °C. Keep the reconstituted solution at 2 to 8 °C, and for a long series divide it into aliquots instead of freezing and thawing it repeatedly.

Ipamorelin Compared With CJC-1295, as Two Vials or One Blend

These two work together rather than compete. Ipamorelin targets the ghrelin receptor, while CJC-1295 without DAC, a 10 mg vial, is a GHRH analogue that targets the GHRH receptor. Research on synergy between the pathways generally needs both, supplied as separate vials so each quantity can be set independently, and that makes it the best peptide to stack with ipamorelin in most study designs.

Choose the CJC-1295 and Ipamorelin Blend when your protocol is locked at equal amounts, since it contains 5 mg of each. Choose the single vial any time the ghrelin arm has to be studied with no GHRH input. If you have not settled on the GHRH partner yet, our comparison of CJC-1295 with and without DAC sets out how they differ.

Other Names for Ipamorelin

You may also see the compound listed as ipamorelin acetate, its normal salt form, or by its development code NNC 26-0161. Chemists write it as Aib-His-D-2Nal-D-Phe-Lys-NH2 or as H-Aib-His-D-2-Nal-D-Phe-Lys-NH2, and every one of these names points to CAS 170851-70-4.

It helps to know the receptor terms. GHS-R1a, the growth hormone secretagogue receptor, is the same receptor that ghrelin acts on, and ipamorelin is classified as a ghrelin mimetic, a GH secretagogue and a GHRP. Earlier papers place it among the growth hormone releasing peptides of the 1980s and 1990s, and recent reviews list it with ghrelin receptor agonists, but either way the vial on your bench holds the same molecule.

Buy Ipamorelin Online in Australia, the Vial and Its Legal Status

Inside the box is a single clear glass vial containing 10 mg of ipamorelin as a dry white cake, with nothing blended in and no liquid supplied.

We offer a single size, the 10 mg vial. It is the cheapest per milligram across our growth hormone range. At about 712 g/mol, the peptide fits far more molecules into every milligram than a 29-residue GHRH analogue does, so one vial covers most rodent or cell study plans.

Buy several vials in one order and they will come from the same lot where stock permits. Open them one at a time and keep the others sealed in the freezer, all covered by a single certificate. Orders are only accepted from buyers aged 18 or older, and each buyer confirms a laboratory purpose before payment.

Is ipamorelin legal in Australia, then? It is a controlled substance, not an unlisted one. As of October 2026, the current Poisons Standard (the June 2026 instrument) lists ipamorelin in Schedule 4, the prescription-only schedule, and also in Appendix D, clause 5, which covers poisons that are illegal to possess without authority. The TGA scheduling committee looked at growth hormone releasing peptides as a group in 2014 and 2015, and that is why ipamorelin, CJC-1295, GHRP-2 and GHRP-6 now carry the same controls. Since no approved product exists, nothing containing ipamorelin appears on the ARTG, there is no pharmacy form, and in Australia the compound only circulates as a research chemical.

Sport brings a further restriction. In WADA's 2026 Prohibited List ipamorelin is named among the growth hormone secretagogues in class S2, prohibited both in and out of competition, and Sport Integrity Australia applies that list to Australian athletes.

Labs looking for ipamorelin for sale from a local supplier can get it from NovaPep. We keep it in Australian stock as a research reagent for in vitro work only and sell it to adults aged 18 and over and never for human or veterinary use. Teams that buy ipamorelin in Australia to compare it against a GHRH receptor agonist often include the sermorelin peptide vial as a second reference.

You order ipamorelin online on this page and we ship it from our Australian warehouse to labs in all states and territories, with no store or collection point. A team ordering peptides in Melbourne buys from the same stock as one in Broome. Place your order before 3pm on a business day and the vial leaves that afternoon, tracked from start to finish, with delivery times listed on our shipping page.

Ipamorelin at a Glance

A ghrelin mimic with five residues

Ipamorelin is a short synthetic peptide that activates the ghrelin receptor. In the models tested it triggers growth hormone release without raising other pituitary hormones.

Buy the 10 mg vial online

Each order is a sealed vial of 10 mg powder. There is no diluent inside, so bacteriostatic water goes in the cart too.

Studying growth hormone pulses

Labs use it to research pulsatile growth hormone release, its interaction with the GHRH pathway and gut motility in animals, all as in vitro or preclinical work.

Works alongside CJC-1295 No DAC

CJC-1295 No DAC acts on another receptor, the GHRH receptor. Labs often buy the pair to study what they do together.

Dissolves fast

Keep sealed vials frozen and solutions refrigerated. The powder goes into solution almost instantly, so aliquoting is easy.

Every lot checked

Each lot is run through HPLC and mass spectrometry, and you can read the published certificate before ordering.

Ipamorelin FAQ

What is ipamorelin?

Ipamorelin is a synthetic five residue peptide that activates GHS-R1a, the receptor ghrelin acts on. Binding prompts pituitary somatotrophs to release growth hormone they already store. It contains no growth hormone itself, and Novo Nordisk researchers first described it in 1998 as a selective secretagogue.

What makes ipamorelin selective?

In its original 1998 studies it released growth hormone as powerfully as GHRP-6 with no meaningful increase in cortisol or ACTH. Earlier GHRPs like hexarelin and GHRP-6 also raise prolactin and cortisol. Because its profile is cleaner, ipamorelin is the tool of choice when only the ghrelin receptor's contribution needs measuring.

What do laboratories use ipamorelin for?

It serves as a selective ghrelin receptor probe for studying IGF-1 feedback, GHRH cooperation and growth hormone pulsatility in animal models and pituitary cells. Some groups also use it in gut motility studies. It is supplied for bench research only and must never be administered to people or animals.

Which peptide is best to stack with ipamorelin for research?

Most published designs pair it with CJC-1295 No DAC, a GHRH analogue, since the two work at different receptors and their joint effect on growth hormone release is what is being studied. Separate vials let you control each amount, while the CJC-1295 and Ipamorelin Blend, with 5 mg of each, fits designs fixed at an equal ratio.

Is a certificate of analysis provided with ipamorelin?

Yes, there is a published certificate for every lot. An independent lab confirms a mass close to 711.9 g/mol by mass spectrometry and records HPLC purity. The report carries the same lot code as your vial and is kept in our COA library for checking before ordering or once your parcel arrives.

How do I order ipamorelin online from Australian stock?

Choose the 10 mg vial, add it to your cart and pay at checkout on this page. Our Australian warehouse sends it out the same afternoon for orders received before the 3pm business-day cut-off, and every parcel has tracking. You can add bacteriostatic water to the same order, and buyers must be 18 or over.