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.

Factory Direct kits ship to all Australian states and territories direct from our manufacturing partner, dispatched within 48 hours. Delivery usually takes 11 days or more, and tracking is emailed as soon as it is available.

• Factory Direct delivery usually 11 days or more
• Tracking emailed as soon as it is available
• Plain, unbranded outer packaging

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