# Retatrutide > Source: https://www.auspeptidewarehouse.com.au/products/retatrutide-10mg > SKU: APW-RETA10 > Category: Metabolic Research > Last verified: 2026-06-04 > License: RSL-1.0 | AI-Usage: cite-with-attribution ## Quick Facts | Attribute | Value | |---|---| | Product | Retatrutide | | Specification | 10mg - Lyophilized | | Purity (HPLC) | 99.738% | | Price (AUD) | $129.99 | | Availability | PreOrder (dispatch 7–10 business days) | | Manufactured | GMP-certified facility | | Tested by | Janoshik Analytical (independent third-party) | | Ships from | Melbourne, Australia | ## Variants | Variant | Price (AUD) | |---|---| | 10mg | $139.99 | | 20mg | $239.99 | ## Description Retatrutide 10mg lyophilised peptide. The next generation weight loss peptide — studied for fat burning, appetite control, and metabolic health. 99.4% HPLC purity, COA available. ## Detailed Overview **The Next Generation in Metabolic Research** Retatrutide is available in Australia from Peptide Warehouse Australia with fast domestic shipping to all states and territories. Retatrutide (LY3437943) is a synthetic 39-amino acid acylated peptide and triple receptor agonist targeting GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors simultaneously. It is studied in metabolic research for its multi-receptor mechanism across these three pathways. Retatrutide is a research peptide studied for its ability to engage three separate receptor pathways at once. Unlike earlier metabolic research compounds that engage just one or two pathways, Retatrutide engages all three simultaneously — the focus of current preclinical and clinical metabolic research. **What Retatrutide Is Studied For** **Lipid metabolism** — Studied for its role in energy-expenditure and lipid-oxidation pathways in preclinical models. **Receptor signalling** — Studied for simultaneous engagement of GLP-1, GIP and glucagon receptor pathways. **Metabolic research** — Investigated for its multi-receptor activity in metabolic pathway research models. **Energy expenditure** — Investigated for thermogenic mechanisms in hepatic tissue in preclinical research. ⚠ For in-vitro laboratory research use only. Not approved for human or veterinary use. Not drugs, food supplements, or cosmetics. Not evaluated or approved by the TGA. You must be 18 years of age or older to purchase. By placing this order, you confirm you are a qualified researcher and will use this compound strictly in accordance with all applicable Australian laws and regulations. ## Research Applications - Triple receptor agonist: GLP-1, GIP, and glucagon - 99.738% HPLC purity — independently verified - Full COA with mass spectrometry confirmation - Sterility screened - GMP-certified sourcing - Lyophilised for maximum stability ## Shipping - Standard Post: $8.99 AUD (2–6 business days) - Express Post: $13.99 AUD (1–3 business days) - Free shipping on orders over $199 AUD - Orders placed before 12PM AEST dispatch the same business day; orders after 12PM AEST dispatch the next business day - Discreet plain packaging, Australia Post tracking on every order ## Frequently Asked Questions ### What is Retatrutide and how does it work? Retatrutide is a novel triple receptor agonist that simultaneously targets GLP-1 (glucagon-like peptide-1), GIP (glucose-dependent insulinotropic polypeptide), and glucagon receptors. This tri-agonist mechanism distinguishes it from earlier generation single-receptor (GLP-1 only) or dual-receptor (GLP-1/GIP) research compounds. In preclinical and early clinical research settings, multi-receptor engagement is studied for its distinct effects on energy homeostasis and metabolic regulation pathways. Supplied as a lyophilised powder at 99.738% HPLC purity. ### Can I buy Retatrutide pens at Chemist Warehouse in Australia? No. Retatrutide is not available as a pre-filled pen, injectable device, or commercial pharmaceutical product in Australia, and it is not stocked at retail pharmacies such as Chemist Warehouse. It is an investigational research compound that has not been approved for human use by the TGA. Peptide Warehouse Australia supplies Retatrutide exclusively as a lyophilised powder for in-vitro laboratory research purposes — not for human use. We do not offer pre-filled pens or bulk 100mg formats; if you have seen these advertised elsewhere, exercise caution regarding the source and purity verification. Not for human consumption — for research use only. ### How does Retatrutide compare to single and dual receptor agonists? Single-receptor research agonists target GLP-1 only; dual agonists target GLP-1 and GIP. Retatrutide adds glucagon receptor agonism to the GLP-1/GIP combination, creating a triple mechanism. In research models, glucagon receptor activation contributes to hepatic glucose output modulation and thermogenesis effects that single or dual agonists do not produce. This makes Retatrutide a distinct and more complex research compound, with a unique receptor profile and its own research applications. ### How do I reconstitute and store Retatrutide 10mg? Reconstitution: Draw 1–2mL of bacteriostatic water into a clean 31G insulin syringe. Inject slowly down the inside wall of the Retatrutide vial — do not aim directly at the lyophilised cake. Gently swirl the vial until fully dissolved; do not shake or vortex. The solution should be clear and colourless. Label with compound, concentration, and date. Storage: Lyophilised powder — store at −20°C for up to 12–24 months, protected from light and moisture. Reconstituted solution — store at 2–8°C and use within 4 weeks. Avoid freeze-thaw cycling of the reconstituted solution. ### Is Retatrutide legal to buy in Australia? What quality testing does it have? Legal status: Retatrutide is legal to purchase in Australia for legitimate laboratory research purposes. It is not currently listed as a scheduled substance under the Therapeutic Goods Act or the Poisons Standard when sold for research use only. Purchasers must be 18+ and confirm research-only use. It is not approved for human consumption or therapeutic use by the TGA. Quality: Our Retatrutide 10mg (Batch PW-260301) is independently verified at 99.4% HPLC purity by an accredited third-party laboratory. The COA includes: HPLC purity %, mass spectrometry identity confirmation, and sterility screening results. Full COA is available in our COA Library. ### Where can I buy Retatrutide in Australia and how fast is shipping? Peptide Warehouse Australia dispatches Retatrutide nationwide via Australia Post with full tracking. Orders placed before 12PM AEST are dispatched the same business day; orders after 12PM AEST are dispatched the next business day. Standard Post (2–6 business days) costs $8.99; Express Post (1–3 business days) costs $13.99. Free shipping applies on orders over $199 AUD. Retatrutide is currently on pre-order with dispatch within 7–10 business days from our Melbourne warehouse. All orders are shipped in discreet, plain packaging with no external branding. ### What solvent should I use to reconstitute Retatrutide — bacteriostatic water vs sterile water? Bacteriostatic water (BAC water) is strongly recommended over plain sterile water for injection. BAC water contains 0.9% benzyl alcohol, which acts as a preservative and allows the reconstituted solution to be accessed multiple times over a 4-week period while maintaining sterility. Sterile water for injection contains no preservative — once punctured, it must be used immediately or discarded. For any research protocol involving repeated sampling from a single vial of Retatrutide, BAC water is the correct choice. Our BAC Water 10mL is available at /products/bac-water-10ml. Not for human consumption — for research use only. ### Is Retatrutide the same as LY3437943? Yes. LY3437943 is the internal Eli Lilly development code for Retatrutide. Both names refer to the identical compound — a GLP-1/GIP/glucagon triple receptor agonist developed by Eli Lilly and studied in multiple clinical trials including the TRIUMPH programme. In research literature and databases (PubChem, ClinicalTrials.gov), you may find it listed under either name. Our Retatrutide 10mg is the research-grade peptide equivalent of LY3437943, verified at 99.4% HPLC purity with mass spectrometry identity confirmation. Not for human consumption — for research use only. ### How long is the half-life of Retatrutide in research models? Retatrutide is an acylated peptide engineered with a fatty-acid chain that extends its half-life substantially compared with native incretin hormones — reported in the range supporting once-weekly dosing in clinical research. This long half-life is a key reason it is studied as a sustained tri-agonist research tool. Working concentrations and intervals are protocol-dependent and should be drawn from the literature. Not for human consumption — for research use only. ### What did the Phase 2 TRIUMPH research on Retatrutide examine? Published Phase 2 clinical research on Retatrutide examined its triple-receptor mechanism across metabolic endpoints including body weight and glycaemic markers, attracting attention for the magnitude of effects relative to earlier single- and dual-agonist compounds. These are clinical research findings only; Retatrutide is supplied here strictly as a research compound and is not TGA-approved for human use. Not for human consumption — for research use only. ### What does the glucagon-receptor arm add over GLP-1/GIP agonism? In research models, glucagon-receptor activation is associated with increased energy expenditure and hepatic glucose-output modulation — effects that GLP-1-only or GLP-1/GIP dual agonists do not produce. Adding the glucagon arm is precisely what distinguishes Retatrutide as a triple agonist and is the focus of comparative metabolic research. Not for human consumption — for research use only. ### How do I calculate a working concentration for Retatrutide? Concentration depends on your reconstitution volume: a 10mg vial in 1mL of bacteriostatic water gives 10mg/mL, while 2mL gives 5mg/mL. Use our peptide calculator (/tools/peptide-calculator) to plan dilutions for your specific protocol. We do not provide dosing guidance — refer to peer-reviewed sources for your model. Not for human consumption — for research use only. ### How stable is Retatrutide and how should freeze-thaw be handled? Lyophilised Retatrutide is stable at −20°C for up to 24 months. Once reconstituted it should be refrigerated at 2–8°C, protected from light, and used within about 4 weeks. Avoid repeated freeze-thaw cycles, which can degrade peptide integrity; aliquoting reconstituted material before freezing is common research practice. Not for human consumption — for research use only. ## Compliance Sold strictly for in-vitro laboratory and research purposes only. Not for human consumption, therapeutic use, or veterinary use. Purchasers must be 18 years of age or older. See https://www.auspeptidewarehouse.com.au/legal for full terms.