Premium Peptides Australia
99% Purity Guaranteed
Every batch verified and quality tested
Fast Australia Wide Shipping
Orders processed and shipped within 24hours, express delivered within 1-2 business days
24/7 Customer Support
Our support team work around the clock to answer any questions or assist with any issues
Every Batch 3rd Party Tested
Quality without question, with every batch third party tested COA's
Quality without question
No need to second guess quality. Explore our full range of third-party tested lab reports for every product.
Visible results.
Quality you can verify.
No fillers, no compromises, just the next phase.
Quality is never an afterthought. Every PhaseOne product is independently tested for purity, backed by lab reporting you can verify yourself, and shipped from Sydney. We focus on consistent standards and clear documentation, so Australian researchers know exactly what they are working with.
Research peptides in Australia are supplied online by research suppliers rather than chemists or pharmacies. PhaseOne ships Australia-wide from Sydney. Whichever supplier you use, check that the product is HPLC tested, that a batch-specific COA is available, and that stock is dispatched locally rather than from overseas. Shop all peptides
Yes. Every batch is independently tested by third-party laboratories using HPLC to confirm identity and ≥99% purity, and checked for contaminants. The full report for each batch is published in our COA library. Learn more
In lyophilised (powder) form, peptides can be kept in the freezer for up to 2 years. Once reconstituted, store them in the fridge and use within 4 to 8 weeks. Learn more
Orders are packed and dispatched within business hours once payment has been confirmed. We ship Australia-wide using Australia Post Standard or Express, with delivery usually taking 1 to 5 business days depending on your location. We currently only deliver within Australia.
Customer satisfaction is our top priority. If you experience any issues with your order, contact us within 30 days and we will happily replace or refund your purchase.
Yes. Our support team is available by email at phaseonepeps@gmail.com to answer any questions about our products or your order.
Peptides are short chains of amino acids. Research peptides are synthetic versions supplied as lyophilised powder for laboratory study, each investigated for its own pathway. Our peptide information hub explains what each compound is and how it is studied. Peptide information hub
Peptides Australia: research peptides tested to ≥99% purity
PhaseOne is an Australian peptides supplier based in Sydney. The range includes BPC-157, TB-500, retatrutide, GHK-Cu and the GLOW and KLOW peptide blends, and every batch is independently HPLC tested to ≥99% purity before it is listed. The Certificate of Analysis for every batch is published in our public COA library, so you can check the results before you order.
Peptides in Australia have often meant overseas stock, long shipping times and no paperwork. Our research peptides are dispatched from Sydney, reach most of Australia in 1 to 5 business days, and the full COA library is public for anyone to check. Every product is supplied strictly for laboratory research use.