Retatrutide pen in Australia
Yes. Peptide Aus supplies retatrutide pens in 15mg, 20mg, 30mg and 70mg from Australian stock, from $229.99, with other strengths filled to order: a pre-filled 3 mL research pen with a 0.5 mg dial and no reconstitution step. They are research devices, not a pharmacy product, and are not approved for human use. No pharmaceutical retatrutide pen is registered anywhere.
Pen strengths
| Product | Format | Price | Per mg | Stock |
|---|---|---|---|---|
| Retatrutide Pen (15mg) | Premixed AQ pen, 3 mL | $229.99 | — | In Stock |
| Retatrutide Pen (20mg) | Premixed AQ pen, 3 mL | $289.99 | — | In Stock |
| Retatrutide Pen (30mg) | Premixed AQ pen, 3 mL | $399.99 | — | In Stock |
| Retatrutide Pen (70mg) | Dual-chamber cartridge pen | $729.99 | — | In Stock |
Retatrutide Pen (70mg)
70mg dual-chamber cartridge pen: lyophilised retatrutide and sterile water, mixed at activation
What the pen is
A pre-filled aqueous dial-a-dose pen: the retatrutide is already in 3 mL of sterile water-based solution, so there is nothing to mix. Each click of the dial is 0.5 mg, a transparent window shows the solution remaining, and the pen is sterilised and tamper-evident. It ships cold, is stored at 2–8 °C, and once in use stays stable for up to 30 days at temperatures up to 25 °C. The four stocked strengths (15mg, 20mg, 30mg and 70mg) differ only in how much retatrutide the 3 mL holds, so a full pen carries 30, 40, 60 or 140 clicks.
Two pen formats
The 15mg, 20mg and 30mg pens are premixed aqueous pens: the retatrutide is already in 3 mL of solution, dialled in 0.5 mg clicks, with nothing to mix. The 70mg pen is a dual-chamber cartridge pen: lyophilised retatrutide in one chamber and sterile water in the other, kept apart until activation and mixed immediately before use, which keeps the peptide dry until it is needed at the highest strength.
Custom strengths
Because the pen is filled to order, the strength is not limited to the four listed. Research groups that need a specific quantity per pen, or a concentration that matches an existing protocol, can request it: tell us the milligrams per pen and how many pens, and we quote lead time and price. Custom fills are available in either format, premixed or dual-chamber, with a certificate of analysis on request.
Pen or vial?
The lyophilised vials (10mg, 15mg, 20mg, 30mg, 60mg) are reconstituted with bacteriostatic water to whatever concentration a protocol needs, and cost the least per milligram. The pens are pre-mixed at a fixed concentration and dialled in 0.5 mg clicks, trading that flexibility for consistency and no handling of powder. Both are research formats supplied for in-vitro laboratory use.
| Product | Price | Per mg | Stock |
|---|---|---|---|
| Retatrutide (10mg) | $144.99 | $14.50/mg | In Stock |
| Retatrutide (15mg) | $179.99 | $12.00/mg | In Stock |
| Retatrutide (20mg) | $229.99 | $11.50/mg | In Stock |
| Retatrutide (30mg) | $329.99 | $11.00/mg | In Stock |
| Retatrutide (60mg) | $549.99 | $9.17/mg | In Stock |
What retatrutide is
What sets retatrutide apart is that one synthetic peptide switches on three receptors together, GLP-1, GIP and glucagon, rather than the single target of semaglutide or the two of tirzepatide. Eli Lilly is still running Phase 3 trials on it, which means no licensed medicine exists yet and the only material available is a research vial of the kind shown here.
Frequently asked questions
Is there a retatrutide pen in Australia?
Not as a medicine: no regulator has registered one. Peptide Aus supplies research-grade retatrutide pens in four strengths for laboratory use, from Australian stock.
Can I buy a retatrutide pen at Chemist Warehouse?
No. Pharmacies stock registered medicines, and retatrutide is investigational. Our pens are research devices sold directly.
Retatrutide pen or vial?
The pen holds a fixed quantity in a ready-to-use device; the vial is lyophilised powder you reconstitute to a chosen concentration. Choose the pen for repeatable handling without a reconstitution step, the vial for defined concentrations and the lowest cost per milligram.
How much does a retatrutide pen cost in Australia?
15mg $229.99, 20mg $289.99, 30mg $399.99, 70mg $729.99, AUD including GST. Pen kits add pen needles and swabs; vial prices are on the retatrutide page.
How should the pen be stored?
Refrigerated at 2–8 °C, protected from light, never frozen. In use, the pen is stable for up to 30 days at temperatures up to 25 °C.
How much is in each click?
0.5 mg per click on every strength. The 15mg pen holds 30 clicks, the 20mg 40, the 30mg 60 and the 70mg 140. Each pen page has a click calculator.
Can the pen be made in a different strength?
Yes. The pen is filled to order, so any strength within the 3 mL volume can be requested for research quantities. Contact us with the milligrams per pen and quantity.
Are there retatrutide pen reviews?
Reviews from Peptide Aus customers are collected on Google and published on our reviews page as they come in.
Is the retatrutide pen legal in Australia?
No country, Australia included, has granted retatrutide marketing approval; it remains an investigational drug. That means it cannot be prescribed, dispensed or compounded for human use in Australia. Peptide Aus provides research-grade retatrutide strictly for in-vitro laboratory study, and lawful use is the buyer's responsibility.
Retatrutide kits
Retatrutide Starter Kit (10mg vial)
Everything for a first retatrutide vial: 10mg vial, 30 mL bacteriostatic water, syringes and swabs.
Retatrutide Starter Kit (20mg vial)
The 20mg retatrutide vial with bacteriostatic water, twenty syringes and swabs.
Retatrutide Pen Kit (15mg)
15mg premixed retatrutide pen with twenty pen needles and swabs. Nothing to mix.
Retatrutide Pen Kit (70mg)
70mg dual-chamber retatrutide pen with twenty pen needles and swabs. Water is built into the pen.
Retatrutide Value Pack (3 x 20mg)
Three 20mg retatrutide vials (60mg) with bacteriostatic water, sixty syringes and swabs.
Retatrutide Value Pack (2 x 30mg)
Two 30mg retatrutide vials (60mg) with bacteriostatic water, forty syringes and swabs.
Retatrutide pens are supplied for in-vitro research and laboratory use only. Not for human or veterinary use.