Research peptides delivered across Australia

Australia has one of the most active research peptide communities outside of Europe and North America, driven by strong university research programmes in Sydney, Melbourne and Brisbane, plus a sizeable independent group-buy network. Demand for GLP-1 receptor agonists like Retatrutide, Tirzepatide and Semaglutide has accelerated sharply over the last 24 months.

Local Australian suppliers exist but typically run small catalogues at 2X to 4X our pricing because they buy through multiple distribution layers. Peptx ships directly from factory-aligned fulfilment so Australian researchers get the same factory-direct pricing as UK and EU buyers.

Prices on this site are shown in GBP; your bank or card provider handles any conversion.

Peptx ships to all Australian states and territories via tracked international courier. Standard transit time is 7 to 12 business days from dispatch, with most orders clearing Australian Border Force without issue when properly declared as laboratory research reagents.

We pre-fill all customs documentation on your behalf using HS codes appropriate for research chemicals. Some compounds may attract small import duties depending on declared value; these are paid on delivery by the recipient. All packages ship in plain, unbranded packaging.

• Flat-rate tracked shipping to all AU states
• 7 to 12 business day transit time
• Pre-completed customs documentation
• Plain, unbranded outer packaging
• Tracking number issued at dispatch

Peptx stock is backed by independent laboratory results, at typically 99%+ purity (HPLC); the guaranteed minimum varies by compound. Our suppliers are not chosen on a single rating. We weigh independent lab testing.

Independent laboratories test our material on a rolling programme: random quality-control checks, tests on stock we buy in, and testing as part of vetting every new supplier. Certificates are published openly in the COA Library rather than issued per order, so you can read the laboratory's report before ordering, not after. Independent verification is expanding across the catalogue, with further tests in progress across September and October. If you want your specific batch independently checked, send a sample to one of the labs on our testing page (/testing): a result you commission yourself carries more weight than one handed to you by a seller. Any independent lab result below the product's stated guaranteed minimum purity, or a sealed-vial endotoxin or sterility failure, raised within 14 days of delivery, is reviewed under our Purity Guarantee and, where verified, refunded or re-shipped.

All compounds are supplied as sterile lyophilised powder in sealed vials, packed with desiccant, and stored at controlled temperature throughout the supply chain.

Read our published lab results