Tirzepatide

Tirzepatide (LY3298176): a dual GIP and GLP-1 agonist for the lab

Tirzepatide, development code LY3298176, is a man-made research peptide (a short chain of amino acids, the small units that join to form proteins). What sets it apart is that one molecule activates two receptors at once, the GIP receptor and the GLP-1 receptor, which is what a “dual agonist” is (an agonist is a molecule that switches a receptor on). Neurogen Research ships it as a freeze-dried (lyophilised) powder in a sealed vial, intended only for in-vitro work (research in glassware or cell cultures, never in a living body).

Key highlights

• Compound: Tirzepatide (LY3298176), a dual GIP/GLP-1 agonist research peptide.
• Purity: latest COA 99.611% (HPLC, lot NJ3291), third-party tested by Janoshik.
• Form: white freeze-dried (lyophilised) powder in a sealed vial.
• Sizes: 10mg and 20mg vials, plus a 10x bulk multipack.
• Dispatch: sent same day from Sydney, free express over $200.
• Use: strictly in-vitro laboratory research (not for human or animal use).

Is Tirzepatide a peptide? A simple breakdown

Tirzepatide is a peptide, built from a 39-amino-acid chain, and it is not a steroid. It acts at two incretin receptors at once, which is why it is a dual-acting agonist. Incretins are gut hormones released around mealtimes that help regulate blood sugar and energy use, so in the lab Tirzepatide is a useful tool for probing how those two receptor pathways behave.

How Tirzepatide acts on its two receptors

Tirzepatide was engineered from the structure of GIP (glucose-dependent insulinotropic polypeptide, a gut incretin hormone) and modified so the same molecule also activates the GLP-1 (glucagon-like peptide-1) receptor. In lab binding and signalling tests (its mechanism of action), it is a powerful GIP-receptor agonist, close to the body’s own GIP, and more moderate at the GLP-1 receptor. Teams often set it against Retatrutide, a triple agonist, to see how adding a third receptor target shifts the response. These studies stay on the bench, never in humans or animals.

Research status: investigational, not approved

The Tirzepatide listed here is an investigational compound, still under study and not approved for sale as a product for use. Neither the TGA (the Therapeutic Goods Administration, Australia’s medicines regulator) nor the FDA has cleared it for the purpose offered here. It is not a medicine, supplement, cosmetic, or weight product of any kind, and it is supplied purely for laboratory research.

Where Tirzepatide fits in metabolic research

In the lab, Tirzepatide is a reference research chemical for studying how the incretin receptors signal, and it sits in our Metabolic Research range. It is often framed against a peptide from a different family, such as Cagrilintide, an amylin analogue (a molecule that imitates amylin, a separate hormone tied to blood sugar and energy balance). Setting a GIP/GLP-1 agonist beside an amylin-based compound lets researchers compare how two receptor systems respond. These comparisons stay in-vitro.

Third-party purity testing and the CoA

Before any vial goes on sale, Neurogen Research has the batch tested by Janoshik, an independent third-party laboratory. Purity is read by HPLC (high-performance liquid chromatography, which separates a sample so the share of the target compound can be measured) and the latest COA reads 99.611% (lot NJ3291), and a blind test against other GLP-1 peptides confirms the sample is Tirzepatide. The matching Certificate of Analysis (CoA, the lab’s report for that batch) is kept on our certificates page, so you can line the vial up against its own test data before ordering.

Buy Tirzepatide in Australia and New Zealand: vials, bulk and delivery

• Order Tirzepatide online in Australia and New Zealand from Neurogen Research, in 10mg and 20mg vials.
• Running a larger project? The 10x Tirzepatide multipack lowers the cost per vial.
• Orders in before 12pm AEST ship the same business day from our Sydney hub.
• Tracked Australia Post Express runs about 2 to 4 business days to metro and 3 to 5 to regional areas, and 4 to 6 to New Zealand.
• Express is free once you spend over $200 (a flat $14.95 applies below that).

Storing and preparing Tirzepatide

• Keep sealed vials away from light and heat: under 25°C short-term, or around -20°C in a freezer for longer storage.
• When you need a working solution, reconstitute the powder (dissolve it into liquid) with sterile or bacteriostatic water (water with a mild preservative that holds off bacterial growth).
• Store the mixed solution in the fridge, and do not freeze and thaw it repeatedly, as the peptide can degrade.

Tirzepatide specifications

Tirzepatide FAQs

What is Tirzepatide (LY3298176)?

Tirzepatide (LY3298176) is a lab-made research peptide that switches on two receptors at once, GIP and GLP-1, making it a dual agonist. It comes as a freeze-dried powder for in-vitro work.

Is Tirzepatide a peptide or a steroid?

A peptide. Its backbone is a 39-amino-acid chain, and it shares nothing structurally with steroids, which are built and act in a completely different way.

Is Tirzepatide a GLP-1 or a GIP agonist?

It is both. A single molecule acts on the GIP and GLP-1 receptors at the same time, and hitting two targets at once is exactly what “dual agonist” describes.

How pure is Tirzepatide, and is a CoA provided?

Each batch is tested by Janoshik, an independent lab, and comes in above 99% purity by HPLC, with a blind test confirming it is Tirzepatide. The batch Certificate of Analysis (CoA) is posted on our certificates page for you to review.

How should Tirzepatide be stored and reconstituted?

Keep sealed vials under 25°C for short spells or near -20°C for longer storage. To prepare it, reconstitute with sterile or bacteriostatic water, refrigerate the solution, and steer clear of repeated freeze-thaw.

Can I buy Tirzepatide in Australia and New Zealand, and what sizes are there?

Yes. Neurogen Research sells Tirzepatide online across Australia and New Zealand in 10mg and 20mg vials, plus a 10x bulk multipack, shipped from Sydney with tracked express delivery.

What does the milligram size mean?

The 10mg or 20mg figure is simply how much peptide powder the vial holds. It is a lab quantity, not a dose, because the product is not for human or animal use.

Is Tirzepatide approved for human or medical use?

No. It is an investigational research compound, not cleared by the TGA or FDA for the use sold here, and it must never be used in humans or animals.

Disclaimer: Tirzepatide is sold strictly for in-vitro laboratory research. It is not a medicine, supplement, or cosmetic, and it is not for human or animal use. By ordering, you confirm that you are a qualified researcher and that you will handle and use it in line with all applicable laws.