Research-Grade Peptides.
Real People. Real Hours.
Australian Owned.
Lyophilised research compounds, batch-documented and dispatched from Sydney.
Something is coming.
A first for Australian peptides. Announcing soon.
Featured Products
Every peptide in our range is sourced from established manufacturers and shipped express from Sydney.
Shop by Category
Find the right peptides for your research area — grouped by compound class, not just product name.
What you can expect from us.
We set a standard for ourselves early on — and we hold ourselves to it on every order.
Verified at Source
We don’t put a compound on sale until our own independent certificate for it is back from a US-based analytical laboratory — the same facility relied on by leading US peptide suppliers. That is why 9 compounds are listed here but not for sale. Everything you can order has its certificate published on the site.
Express from Sydney
Everything is stocked locally in our Sydney facility. We dispatch within 1 business day of your payment clearing; Australia Post then takes 1–3 business days for Express and 2–6 business days for Standard, longer to regional and rural addresses. Full tracking on every shipment.
Purity Guarantee
If any product fails a purity test at a licensed testing facility, by the method its certificate uses (UHPLC–MS), we’ll refund the full order cost, shipping fees, and the cost of the test. That’s our commitment to quality.
Research Library
In-depth research guides with PubMed-linked references. Written in plain language so you can understand exactly what each compound does and what the research shows.
Real Support
Email and WhatsApp support from a real person during business hours. Mon–Fri 9–9, Sat 9–6:30, Sun 9–4 AEST.
Australian Owned
Female-founded, Sydney-based, and registered as Southern Labs AU Pty Ltd. Local hands, local accountability, and a name we stand behind.
Each compound has a dedicated research guide — written in plain language with PubMed-linked references.
Metabolic Peptides
Retatrutide, Tirzepatide, Cagrilintide, AOD-9604 — understand how each one works, what makes them different, and what the research actually shows.
Read Guides →Nootropics & Neuropeptides
Selank, Semax, PE-22-28, Pinealon, DSIP — brain peptides explained in everyday language. How they work and the evidence behind them.
Read Guides →Recovery & Repair
BPC-157, TB-500, KPV — the most studied tissue repair peptides. Learn what “healing peptide” actually means at the cellular level.
Read Guides →Quality you can verify.
Every product we sell meets the standard printed on the label. And we’ll back that up.
Purity Guarantee
If any product purchased from Southern Pacific Labs fails a purity test at a licensed testing facility, by the method its certificate uses (UHPLC–MS), we will refund the full order cost, shipping fees, and the cost of the test — upon verification.
The research library
Published literature, read and summarised. No dosing advice, no therapeutic claims — what the research says, and how to judge it for yourself.
Judge the evidence
Compare compounds
Understand the basics
Welcome to the members area
Every order, every certificate of analysis, every detail — kept quietly in one place. Your research record, the way a research house should keep it.